About American Marble & Onyx Co Inc — Ranked №5 Countertop Fabricator and Installer in Inglewood, CA
67.55
total score
The main rating value calculated from more than 30 indicators.
Exact value: 67.550591 out of 100.
According to The First National Ranking of Stone Countertop Fabricators and Installers in the U.S.
American Marble & Onyx Co Inc, founded in 1993, ranked number 5 in Inglewood, CA in the U.S. company ranking by Countertops Contractors Ranking — the first national independent ranking of stone countertop manufacturers and installers.
We included American Marble & Onyx Co Inc among the top U.S. contractors after a thorough, multi-level manual selection process, backed by extensive research into customer reviews, ratings, and service quality.
American Marble & Onyx Co Inc: Total Score & Key Ratings
The Total Score of 67.55 out of 100 achieved by American Marble & Onyx Co Inc in our ranking confirms its well-deserved position. This score is based on an analysis of customer reviews from the most popular review platforms in the U.S., as well as an evaluation of 10 key customer service parameters conducted through mystery shopper research. In calculating the Total Score, we relied on the Customer Feedback Score — American Marble & Onyx Co Inc has a rating of 4.8 out of 5 — and our team’s Mystery Shopper Score, which stands at 3.9 out of 5.
You can read detailed information and evaluations from our independent research of American Marble & Onyx Co Inc’s work in the Mystery Shopper Report section, covering each of the 10 research points, as well as in the FAQ section on this page. On this contractor’s page, you can also read customer reviews — but most importantly, you can use our platform to contact American Marble & Onyx Co Inc directly: call them, send a message via Facebook Messenger, or submit a request to receive a free project estimate and a consultation with their specialists.
General information about American Marble & Onyx Co Inc
To this day, three generations of Gherardis have run this countertop business. They have numerous loyal customers who keep coming back. The firm stocks a lot of marble and granite countertops and slabs at its warehouse, which is located in proximity to LAX. They welcome homeowners as well as construction companies, interior designers, and architects. The team fabricates and installs stone countertops, fireplaces, vanities, kitchen and bathroom surfaces. They also do countertop repair and maintenance.
Disclaimer:
The materials on this page are the result of independent research by Countertops Contractors as part of The First National Ranking of Stone Countertop Fabricators and Installers in the U.S. The evaluations are based on our methodology and Mystery Shopper approach: we called companies, requested estimates for a standardized project, and recorded their responses. Terms and reactions varied; the conclusions reflect only our experience at the time of the review. The final scores are a professional opinion, not a statement of fact: we do not guarantee that your experience will be identical, nor are we responsible for any subsequent outcomes of your interactions with contractors.
When using our materials, especially unique mystery shopper evaluations and structured contractor data, please credit countertopscontractors.com. This helps develop the project, increase industry transparency, and maintain the independence of the research.
More info
Customer Feedback Score
4.8
The weighted average of all reviews from Google, Yelp, Facebook, and CoCo, factoring in the number of reviews for each source.
reviews: 18
Google
5
reviews: 3
YELP
4.7
reviews: 15
Facebook
n/a
reviews: n/a
CoCo
n/a
reviews: n/a
Mystery Shopper Report
3.9
The mystery shopper rating is calculated as a weighted average of the indicators, which you can find out about below. Exact value: 3.898231 out of 5.
criteria: 10
Staff friendliness
5
Excellent
Staff friendliness
We rate the staff friendliness of American Marble & Onyx Co Inc as Excellent.
Our mystery shopper research revealed that the staff at American Marble & Onyx Co Inc provided sincere, friendly, and attentive communication, leaving a positive impression of the company. This evaluation confidently places them in the Excellent category.
Important:
Our rating is based on the personal experience of our mystery shopper with American Marble & Onyx Co Inc’s staff. This rating may vary for other clients depending on the specific staff member or situation. We recommend contacting American Marble & Onyx Co Inc directly to better understand their approach to customer service.
Staff Expertise
5
Excellent
Staff Expertise
We rate the staff expertise of American Marble & Onyx Co Inc as Excellent.
The staff member from American Marble & Onyx Co Inc who spoke with our professional mystery shopper provided the most complete and accurate answers to all questions, demonstrating a thorough understanding of the product or service. According to our mystery shopper, the staff member also showed a readiness to offer helpful recommendations and displayed a high level of professional expertise. This evaluation places them in the Excellent category.
Important:
This rating reflects the professionalism of the specific staff member who interacted with our mystery shopper. The expertise of other staff members at American Marble & Onyx Co Inc may vary. We recommend contacting the company directly for more comprehensive information.
Company Age
5
Legacy
Company Age
American Marble & Onyx Co Inc is a legacy company, established in 1993.
According to our research, American Marble & Onyx Co Inc has been in business since 1993, placing it in the Legacy category. Companies with such a long history demonstrate deep industry expertise and a strong commitment to delivering high-quality services, making them among the most reliable in the field.
Important:
This information is based on data collected by our mystery shopper. We recommend contacting American Marble & Onyx Co Inc directly to confirm the details.
Own Office
5
Has Office
Own Office
We note that American Marble & Onyx Co Inc has a dedicated office.
Our research revealed that American Marble & Onyx Co Inc operates from a dedicated office. This demonstrates the company’s serious approach to business and provides added convenience for customers. Having an office is often perceived as a sign of professionalism and stability.
Important:
This information was gathered as part of our mystery shopper research. We recommend contacting American Marble & Onyx Co Inc directly to confirm the latest details.
Own Production
5
Has Prod
Own Production
We note that American Marble & Onyx Co Inc has its own production facility.
Our research revealed that American Marble & Onyx Co Inc operates its own production facility. This allows the company to maintain full control over the quality and timeline of their products while responding efficiently to client requests. Having in-house production is often seen as a sign of reliability and high professionalism.
Important:
This information was gathered as part of our mystery shopper research. We recommend contacting American Marble & Onyx Co Inc directly to confirm the accuracy of this data.
Veterans Discount
1
None
Veterans Discount
American Marble & Onyx Co Inc does not offer discounts for veterans.
Based on our mystery shopper research, we found that American Marble & Onyx Co Inc does not provide special discounts for veterans. This may be due to the company’s policies or a lack of demand for such offerings.
Important:
This information is based on data collected by our mystery shopper. Company policies regarding discounts may vary. We recommend contacting American Marble & Onyx Co Inc directly for confirmation.
Production time
3
Standard
Production time
We rate the production time of American Marble & Onyx Co Inc as Standard.
During our research, American Marble & Onyx Co Inc quoted a standard project completion time of 21 days. This typical timeframe places them in the Standard category, reflecting a stable and reliable approach to completing projects.
Important:
Our evaluation is based on information provided by American Marble & Onyx Co Inc during our mystery shopper research. The timeframes quoted to our mystery shopper may differ for other clients depending on the complexity of the project and the company’s current workload. We recommend confirming details and timelines directly with American Marble & Onyx Co Inc.
Deposit Level
3
Standard
Deposit Level
We rate the deposit level of American Marble & Onyx Co Inc as Standard.
American Marble & Onyx Co Inc requested a deposit of 50%, which aligns with the industry standard. This deposit level strikes a balance between the client’s commitment and the contractor’s confidence in starting the project.
Important:
Our evaluation is based on data collected through our mystery shopper research. The terms offered to our mystery shopper by American Marble & Onyx Co Inc may vary for other customers depending on the situation. We recommend confirming the details and obtaining a formal proposal directly from American Marble & Onyx Co Inc.
Quote Time
2.5
Average
Quote Time
We rate the quote preparation speed of American Marble & Onyx Co Inc as Average.
According to our mystery shopper evaluation, American Marble & Onyx Co Inc provided a quote within a standard timeframe. This performance places them in the Average category, demonstrating consistency in their workflow.
Important:
Our evaluation is based on data collected through mystery shopper research. The quote preparation time experienced by our mystery shopper may differ for other clients depending on the company’s workload and project specifics. We recommend confirming details and timelines directly with American Marble & Onyx Co Inc.
Affordability
3.4
Average
Affordability
We rate the price level of American Marble & Onyx Co Inc as Average.
Our mystery shopper evaluation found that American Marble & Onyx Co Inc quoted a price of $151.2 per square foot for Calacatta Idilio quartz and $130.94 for Carrara Morro quartz.
The total price for the finished and installed product measuring 83.4 square feet was $12610 for Calacatta Idilio quartz and $10920 for Carrara Morro quartz.
These prices are categorized as Average, representing a balanced and standard cost compared to other contractors in the area.
Important:
Our evaluation is based on data collected through mystery shopper research. The terms offered to our mystery shopper may vary for other customers depending on the situation. We recommend confirming the details and obtaining an updated quote directly from American Marble & Onyx Co Inc.
Company services
Kitchen
To order
Bathroom
To order
Outdoors
To order
Commercial
To order
Fireplaces
To order
Sill rail
To order
Additional benefits of American Marble & Onyx Co Inc
Identifies as Asian-owned
Identifies as women-owned
Online estimates
Onsite services
Wheelchair accessible entrance
Wheelchair accessible parking lot
Credit cards
Debit cards
Accepts Credit Cards
Asian-owned
Women-owned
Marble contractor
Countertop store
Natural stone supplier
Stone supplier
Reviews about American Marble & Onyx Co Inc
All (17)
Google (2)
Yelp (15)
Source:Google
Philip Trapp
Date: 2021-01-31 03:06:31
The team here was helpful, communicative, and helped us find the product we needed. Fair prices, great service. 👍🏽👍🏽
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Source:Google
J karner
Date: 2020-12-05 00:36:01
Went to get some info for countertops and Susan was amazing. She was very knowledgeable about the products and gave us samples to take home. I will purchase my granite here when remodel is complete!
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Source:Yelp
M H.
Date: 2024-06-05 16:23:49
American Marble is a treasure hidden by LAX. They are third generation family run business that pay attention to details and have an excellent customer service. They also have a large stockyard with a big selection of stones to use on floors, walls and counter tops. What ever your want or need is they can get it an excellent price. They offer great advice and are friendly and follow up to make sure you are happy. I will not hesitate to use them again and tell all my friends. They are the BEST!!
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Source:Yelp
Jeri K.
Date: 2022-10-19 19:33:13
Even though we were a very small project (bathroom vanity top) Jan treated us as if we were a whole house project. She not only worked with us to stay in budget but also made recommendations on how to capitalize on the new counter top with sink and faucet suggestions. Our vanity looks like a million dollars!
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Source:Yelp
Joan T.
Date: 2021-11-20 01:11:49
We were driving down S La Cienega, saw Amercian Marble and stopped. We had been looking and researcing stone yards in LA for at least a month. Janet, one of the owners was just locking up at 4 PM, but when she saw that we were interested in a piece of Quartz for our bathroom countertop, she walked us through the yard, explained the process and was extremely helpful. Later that week, I made an appointment, Janet helpd me pick out just the right piece. The price was right. The vibe was easy. Her brother Steve came over took measurement and they did a perfect job. I highly recommend American Marble and Onyx... it's a family owned business that is serious, considerate, knowledgeable , and knows how to make their customers happy.
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Source:Yelp
Jon S.
Date: 2021-05-26 16:15:57
I had been to 8 different places trying to find a piece of Marble for my living room built-in. When I walked in and met Janet I knew I was in the right place. Janet was very honest about what was available and the pricing. She showed me that what I was getting was the right choice for me...even if it was a teeney bit more than I wanted to spend. Now that it's installed I know she lead me to the correct decision. I wouldn't have been happy by saving $100 and not been happy with the end result.
Was also had a small crack in our existing Cesarstone. They came in, assessed the crack. Explained the limitations. The end result was 10 times better than expected. We are so thrilled with the result.
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Source:Yelp
Darryl S.
Date: 2019-10-11 21:28:02
Had a crack in the granite countertop near the kitchen sink, which kept widening and needed repair. On contacting American Marble and Onyx about the problem, they immediately knew that the crack was in the part in front of the sink, and even suspected correctly that the granite was not installed properly (by another company) in the first place--all this without even being told where the crack was located! The repair involved finding a well-matched piece of granite, then very careful measurements and installation with a lot of attention to detail and prompt service. The repaired area looks great, blends in, and has held up very well. Would definitely recommend American Marble and Onyx without reservation for any kind of granite or other stone installation or service.
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Source:Yelp
Kristine B.
Date: 2019-09-07 20:49:25
We recently worked with American Marble & Onyx replace part of the granite in our kitchen and to replace our master bathroom counter with marble. We are delighted with the results. The stone is gorgeous, especially the Italian marble. From beginning to end, Steve, Janet, and Susan were great to work with! We love that it's a family-owned local business. But the company is also set apart by the quality of their stone and their workmanship. We could not recommend their work more highly. It was a wonderful experience!
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Source:Yelp
Judith G.
Date: 2019-02-28 18:33:34
As an interior designer and a home owner, I have had American Marble work on many projects for me. Working with Janet and Steve and the rest of their team is always a wonderful experience. They have a huge selection of slabs to choose from, and measuring, fabrication, and installation is always professional and seamless. I would never hesitate to refer clients and friends to American Marble.
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Source:Yelp
Lana A.
Date: 2018-12-21 20:01:26
My first review ever and long overdue!
I ordered a small granite counter for my dining room to match an existing
one.I needed a rare color- green,which I was advised is Chinese Jade.
Price did seem a little steep,but I decided to go with a local El Segundo business since all workers are from El Segundo and I have a great trust in El Segundo community. It took them a while to make it and once the granite was installed I almost broke in tears.Not that it was done incorrectly, opposite! The piece was perfectly done, however it was too dark and looked almost black for the spot it was ordered for and didn't match the existing piece.I was really disappointed. Wend back to the shop and before I even addressed the issue was told that they are going to make it right with me! I was told that even the piece was done correctly and it's due to the natural color variation. The stone is darker than I expected. Their goal is to make customers happy and they will redo the job for no cost to me!!! What a great attitude! Needless to mention that this time they took me to the stone yard to pick the slab with exact color, to make sure it's exactly what I have in mind. When the counter was installed, we couldn't be happier with it. Every time I'm passing it by I'm blessing these people and the company. Amazing experience! Thank you again!
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Source:Yelp
K H.
Date: 2018-04-05 15:30:20
I would not hesitate for a moment to start another project with this family-owned business. Steve and his team are highly professional and expeditious, and their attention to detail has taken my kitchen remodel from basic to dreamy. As this was my first major home improvement project, there were a handful of details I hadn't considered (the finish on the edges of my backsplash, the color of the grout, and some quirks unique to my kitchen) that Steve and Mike were able to explain the options for fully, as well as offer their expert opinion. They have made me feel as though I am the most important customer they've ever had and are truly wonderful people. In less than 4 days my countertops have been installed and backsplash complete. When I'm ready to remodel my bathrooms, I will be sure to call them. Thanks guys!
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Source:Yelp
Scot W.
Date: 2018-02-22 23:34:53
I have used American Marble & Onyx Company on 2 of my home project.
They customized and installed a Granite kitchen countertop and they also did a outdoor Granite kitchen countertop for me. The finish work and professionalism of the staff was great. I highly recommend American Marble they do fantastic work!
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Source:Yelp
Bob G.
Date: 2017-05-16 17:22:27
I just finished a custom bathroom in my house. The marble counter top was the last item installed. The finishing work in any project is in the details, and American Marble made sure that the details were perfect. Janet, and the entire staff, were a pleasure to work with. They went out of their way to help me pick the perfect stone for this unusual bathroom. It was cut to perfection to fit a custom cabinet we had made. Their attention to detail; their advice in picking the stone, and the fact that they came in on time and on budget are some of the reasons they deserve the highest praise. They have my highest recommendation.
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Source:Yelp
Jim W.
Date: 2016-07-22 22:54:24
Wonderful family owned business - Janet was amazing! So helpful with the overwhelming task of choosing granite countertop material & then finding the exact slabs we loved! Steve so helpful with measurements & directing the prep work for install. Minimized seams & reworked layout to accommodate exact layout we wanted. Fabricators definitely paid attention to details - Quartzite material super hard & they took their time to get it right - even with us waiting impatiently for the install date. Workmanship on finished countertops was impeccable! We could not be happier with our countertops & our experience with the entire team at American Marble.
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Source:Yelp
Rosalie O.
Date: 2016-07-16 01:41:40
Do you want a perfect job done in your kitchen or bathroom? Contact American Granite and Onyx! Their workmen are meticulous and I promise, you won't be disappointed. I had some work done about four weeks ago and could not wait to redo my kitchen, which happened last month! I'm very pleased.
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Source:Yelp
Linda M.
Date: 2014-07-08 06:32:06
Over many years our family has bought several finished marble and granite pieces from American Marble and Onyx. Every piece has been carefully cut and finished. We have been extremely happy with the results each and every time. They are a quality company from start to finish. This is a family business and you can tell by the way they really care about their customers. The last piece we ordered was a ten foot piece of marble to go on our new bay window. It turned out spectacular! When it was installed the attention to detail was amazing! If I could give this company 10 stars I would!! I would not hesitate to recommend them.
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Source:Yelp
Isabel U.
Date: 2021-08-17 16:55:12
Sad to say we are not happy for the job they did on my buffet table they got the wrong measurements on the ends of the table and they didn't do anything right even putting the stone with the clear cement onto the buffet table it's not even or straight and the stone sticks up on the left side of the table. And they always send a different person to do the job never is the same person, then they always have a excuse when things are not right!!! They say that they been in business for 50 years... Well in my end they are not professionals as they seems to me in the beginning, when I first meet them. I would never recommend anyone to them. And with all the money that we paid for $$$$$ she only gave us $90.00 discount never again!!!!
All I wanted is for everything be done right by a professional!!!!
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Source:
FAQ About American Marble & Onyx Co Inc — Based on Independent Research
What materials can I order a countertop from American Marble & Onyx Co Inc?
During our independent research, we found that American Marble & Onyx Co Inc offers countertop fabrication using most of the popular types of natural and engineered stone available in the US. The most commonly used materials include engineered quartz, marble, granite, quartzite, soapstone, and onyx — these are the materials most frequently chosen by American Marble & Onyx Co Inc’s clients in Inglewood, CA for kitchens, bathrooms, outdoor areas, and commercial spaces in 2025.
If a client requires a less common material, the desired stone is ordered from a supplier, allowing the project to meet the customer’s specific requirements. This approach enables the company to complete both standard and unique designer projects.
What types of spaces does American Marble & Onyx Co Inc fabricate countertops for?
According to our research, the company fabricates stone countertops for both residential and commercial spaces. The most in-demand options are, of course, kitchen countertops in private homes, bathroom vanities, as well as outdoor kitchens and BBQ areas. In addition to that, the company manufactures countertops for commercial spaces such as offices, retail stores, hotels, restaurants, and even medical facilities.
Thanks to its experience, American Marble & Onyx Co Inc is ready to fabricate and install stone countertops in virtually any residential or commercial space — even if the specific type of room wasn't mentioned among the most common ones.
What shapes of kitchen countertops does American Marble & Onyx Co Inc fabricate?
Our rating analysts thoroughly reviewed the portfolio of completed projects by American Marble & Onyx Co Inc, which features various types and shapes of stone kitchen countertops fabricated by the company. Among the completed projects are classic straight countertops, L-shaped and U-shaped corner configurations, kitchen islands, and countertops with a breakfast bar.
The examples we studied confirm that the company is capable of fabricating and installing countertops in virtually any shape — tailored to the kitchen layout, design objectives, and customer preferences.
What countertop design styles does American Marble & Onyx Co Inc most often implement in Inglewood, CA?
Our research has shown that the company works with the most popular stone countertop styles in the U.S., including modern, traditional, transitional, minimalist, industrial, farmhouse, luxury, and coastal. These styles are currently in high demand among clients across the country.
Our analysts reviewed the company’s portfolio and customer feedback and confirmed that American Marble & Onyx Co Inc successfully handles a wide range of design tasks — from clean, minimalist solutions to luxurious interior compositions featuring expressive stone textures.
What is the service area of American Marble & Onyx Co Inc?
The company’s office is located at 10321 S La Cienega Blvd, Los Angeles, CA 90045, but its work is not limited to just the city of Inglewood, CA. Like many participants in our rating, the company accepts orders, provides on-site measurements, and installs stone countertops within a radius of up to 50 miles from its main location — including neighboring cities, suburbs, and residential communities.
If you’d like to confirm whether your location is covered, simply contact the company through our website: submit a request, give them a call, or send a message directly via messenger.
What types of clients does American Marble & Onyx Co Inc work with?
Like many participants in our rating, American Marble & Onyx Co Inc works with a wide range of clients — from private homeowners to professionals in the construction industry. Their clients include families planning a kitchen or bathroom renovation, contractors, developers, and owners of cafés, restaurants, hotels, and other commercial properties where stone countertops are needed.
For interior designers and contractors, American Marble & Onyx Co Inc often offers special partnership terms — such as discounts or priority fabrication timelines. To confirm the details, we recommend contacting the company through our website using any convenient method.
Does American Marble & Onyx Co Inc have its own countertop fabrication facility?
As part of our independent research, we attempted to determine whether American Marble & Onyx Co Inc has its own natural stone countertop fabrication facility. Our analyst contacted the company as a mystery shopper, but unfortunately, we were unable to obtain a clear answer — the calls and messages either went unanswered or did not provide the necessary information.
The absence of confirmed data about fabrication should not be seen as a negative sign. In our experience, it is not uncommon for companies to miss some incoming inquiries or choose not to disclose such details during initial contact.
Does American Marble & Onyx Co Inc offer any discounts on countertop fabrication in Inglewood, CA?
According to our research, American Marble & Onyx Co Inc does not offer a veteran discount — this information was provided by a company representative during a conversation with our mystery shopper. However, like most companies in our rating, American Marble & Onyx Co Inc may offer personalized terms and discounts on countertop fabrication — especially during national holidays, seasonal promotions, or for large-scale projects.
We recommend confirming the details directly: submit a request, call, or message the company through our website — and be sure to ask about any available discounts. In many cases, contractors are open to discussing individual terms.
What is the price category of American Marble & Onyx Co Inc in Inglewood, CA?
According to the assessment of our independent rating, American Marble & Onyx Co Inc in Inglewood, CA falls into the category of contractors with a mid-range price level. This conclusion was based on our independent mystery shopper research: our analysts contacted a company representative and requested a price estimate for the fabrication and installation of a countertop measuring 83.4 square feet (excluding old countertop removal), using two popular materials — Calacatta Idilio quartz and Carrara Morro quartz.
Based on the estimate received, the cost of the project using Calacatta Idilio quartz amounted to $12610$ at a rate of $151.2$ per sq. ft., and the cost using Carrara Morro quartz was $10920$ at a rate of $130.94$ per sq. ft. These values fell within the city-wide market average, which allowed us to classify American Marble & Onyx Co Inc as a company with a moderate pricing policy.
Please note that the data provided reflects the result of a specific request within the framework of our research and may differ for your particular project. We recommend contacting the company directly through our website — submit a request, call, or send a message — to get a personalized quote and confirm current pricing.
Can I get a free consultation and a free estimate for the fabrication and installation of a countertop from American Marble & Onyx Co Inc?
Yes, according to our research, American Marble & Onyx Co Inc offers free consultations and project estimates — this is standard practice across the industry. Like most contractors in our ranking, the company provides free on-site measurements, advises on material selection and configuration, and prepares a detailed quote for the fabrication and installation of your stone countertop.
To receive a consultation and a free estimate for your new countertop, submit a request on our website, call the company, or send a message via messenger.
What is the fabrication and installation timeline for a countertop at American Marble & Onyx Co Inc?
Unfortunately, as part of our independent research, we were unable to obtain information about the turnaround time for countertop fabrication and installation from American Marble & Onyx Co Inc in Inglewood, CA. Acting as a mystery shopper, our analyst attempted to contact company representatives to clarify the timeframe for a standard 83.4 sq. ft. countertop project — however, either the calls and messages went unanswered, or the staff were unable or unwilling to provide an estimated completion time. It’s important to note that situations like this are not uncommon: contractors may be overwhelmed with work, prefer to discuss project details in person, or choose not to disclose information during the initial contact.
To get up-to-date information about the turnaround time for your project, we recommend reaching out to the company directly through our website — submit a request, call, or send a message via messenger to receive a personalized estimate and confirm the actual timeframe.
How long does it take American Marble & Onyx Co Inc to prepare a quote for countertop fabrication and installation?
Unfortunately, in the course of our mystery shopper research, we were unable to obtain information about the quote preparation time from American Marble & Onyx Co Inc in Inglewood, CA. Our analyst may not have been able to reach a company representative, or the quote was never provided after initial contact. As a result, we are unable to objectively evaluate the company’s quote turnaround speed. This situation is rare and usually related to temporary workload or internal processing specifics. It does not necessarily indicate a low level of service — it simply means that we didn’t receive a response within the research timeframe.
To get up-to-date information, we recommend contacting the company directly through our website — submit a request, call, or message them to receive a personalized quote and clarify current pricing.
Does American Marble & Onyx Co Inc offer cutouts for sinks, cooktops, or other elements?
Yes, like most professional contractors in the market, American Marble & Onyx Co Inc performs cutouts and countertop preparation for various components — both standard and modern. According to our findings, these services are typically included in the overall project estimate. The standard scope usually covers cutouts for sinks (undermount, drop-in, or farmhouse) and holes for faucets or other plumbing fixtures. Additional cutouts — such as for cooktops, hidden or pop-up outlets, built-in wireless chargers, or other accessories — are discussed individually at the project planning and estimating stage.
It’s important to note that while the cutouts and countertop preparation are usually performed by the company, the installation of electrical and plumbing fixtures (such as faucets, outlets, or appliances) may not be included in their scope of work and could require licensed professionals. We recommend clarifying this point when placing your order.
To avoid misunderstandings, ask for a detailed estimate with a breakdown of all services: cutout pricing, installation, and any add-on options. This will ensure project transparency and help you clearly understand what you're paying for.
What guarantees does American Marble & Onyx Co Inc provide for its work?
According to our information and industry practice, American Marble & Onyx Co Inc, like most participants in the ranking, provides a workmanship warranty valid for 1 year from the date of countertop installation. This period is usually specified in the contract. We do not rule out that the company may have extended warranty terms (2 years or more), however, during our research, we did not receive confirmed data from the contractor regarding the duration and scope of its warranty.
The contractor’s warranty covers defects in fabrication and installation, such as uneven or separating seams, leveling and fastening issues, detachment or sagging of an undermount sink, flaws in edge finishing and cutouts, premature failure of seam materials, and cutouts that do not match the approved design. Warranty coverage does not include damage from use (thermal shock/burn marks from hot cookware, chips or cracks caused by impacts), stains and acid etching (for marble), wear due to insufficient maintenance or lack of sealing, natural characteristics of stone (veins, micro-pores, variations in shade/pattern within tolerances), shifts caused by base deformation, or any modifications performed by third parties.
The material warranty is provided by the manufacturer or the official stone supplier. Engineered quartz brands often offer a limited “lifetime” warranty for residential properties (subject to registration and compliance with care guidelines). For sintered surfaces, typical warranty periods range from 10 to 25 years. Natural stone usually does not come with a factory warranty — its quality of fabrication and installation is covered by the contractor’s warranty. The term and scope of the warranty depend on the project and materials — contact American Marble & Onyx Co Inc in any convenient way on this page to get the current terms.
Please Note
The answers in this section were compiled by the Countertops Contractors Ranking team and are based on both publicly available information and data collected through our independent research on American Marble & Onyx Co Inc. We strive to keep all information up to date, but some details may be inaccurate due to recent changes within the company or incomplete data in public sources.
If you notice any inaccuracies in the company description, please contact us to request a correction. Our analysts will promptly review your submission and update the information on this page if necessary.
Contact American Marble & Onyx Co Inc for a Free Estimate
American Marble & Onyx Co Inc is a trusted participant in our ranking, known for its exceptional quality of work and outstanding service.
Contact them today in the way most convenient for you to get a free estimate for your project.
We’d appreciate it if you let American Marble & Onyx Co Inc know that you found them through the National Ranking Countertops Contractors!