
Keystone Marble and Granite
since 2006
Examples of works performed by Keystone Marble and Granite










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About Keystone Marble and Granite — Ranked №1 Countertop Fabricator and Installer in Newark, DE
total score
Exact value: 82.506663 out of 100.
According to The First National Ranking of Stone Countertop Fabricators and Installers in the U.S.
Keystone Marble and Granite, founded in 2006, ranked number 1 in Newark, DE in the U.S. company ranking by Countertops Contractors Ranking — the first national independent ranking of stone countertop manufacturers and installers.
We included Keystone Marble and Granite 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.
Keystone Marble and Granite: Total Score & Key Ratings
The Total Score of 82.51 out of 100 achieved by Keystone Marble and Granite 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 — Keystone Marble and Granite has a rating of 4.8 out of 5 — and our team’s Mystery Shopper Score, which stands at 4.69 out of 5.
You can read detailed information and evaluations from our independent research of Keystone Marble and Granite’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 Keystone Marble and Granite 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 Keystone Marble and Granite
Introducing Keystone Marble and Granite, a leading provider of exquisite marble and granite solutions in New Castle. With a combined experience of 25 years among their skilled fabricators and installers, they are dedicated to delivering superior craftsmanship and exceptional customer service. The company offers an extensive selection of natural stones, including granite, quartzite, and marble, along with accredited engineered stone brands such as Silestone, Caesarstone, Cambria, Hanstone, and LG. Whether you're seeking to install new countertops, enhance your vanity with stunning surfaces, or transform your residential kitchen, their comprehensive range of services has you covered.
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.
Customer Feedback Score
reviews: 131
YELP
reviews: 13
reviews: n/a
CoCo
reviews: n/a
Mystery Shopper Report
Staff friendliness
Staff Expertise
Company Age
Own Office
Own Production
Veterans Discount
Production time
Deposit Level
Quote Time
Affordability
Company services
Kitchen

Bathroom

Outdoors

Commercial

Fireplaces

Sill rail

Additional benefits of Keystone Marble and Granite
Online estimates
Onsite services
Wheelchair accessible entrance
Wheelchair accessible parking lot
Wheelchair accessible restroom
Wheelchair accessible seating
Accepts Credit Cards
Small business
Wi-Fi
Free Wi-Fi
Checks
Credit cards
Debit cards
On-site services
Countertop Installation
Kitchen & Bath
Building Supplies
Countertop store
Bathroom remodeler
Contractor
Countertop contractor
Granite supplier
Kitchen remodeler
Marble contractor
Marble supplier
Natural stone supplier
Stone supplier
Reviews about Keystone Marble and Granite
All (26)
Google (13)
Yelp (13)
FAQ About Keystone Marble and Granite — Based on Independent Research
What materials can I order a countertop from Keystone Marble and Granite?
What types of spaces does Keystone Marble and Granite fabricate countertops for?
What shapes of kitchen countertops does Keystone Marble and Granite fabricate?
What countertop design styles does Keystone Marble and Granite most often implement in Newark, DE?
What is the service area of Keystone Marble and Granite?
What types of clients does Keystone Marble and Granite work with?
Does Keystone Marble and Granite have its own countertop fabrication facility?
Does Keystone Marble and Granite offer any discounts on countertop fabrication in Newark, DE?
What is the price category of Keystone Marble and Granite in Newark, DE?
Can I get a free consultation and a free estimate for the fabrication and installation of a countertop from Keystone Marble and Granite?
What is the fabrication and installation timeline for a countertop at Keystone Marble and Granite?
How long does it take Keystone Marble and Granite to prepare a quote for countertop fabrication and installation?
Does Keystone Marble and Granite offer cutouts for sinks, cooktops, or other elements?
What guarantees does Keystone Marble and Granite provide for its work?
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 Keystone Marble and Granite. 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.
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217 Lisa Dr, New Castle, DE 19720