National Granite Flooring

National Granite Flooring Providing exceptional commercial flooring solutions throughout the Northeast.

Since 2008, National Granite Flooring has provided exceptional commercial floors for numerous multi-million-dollar projects throughout the Northeast. Our leadership team has more than 60 years of collective experience in the commercial flooring sector. Our portfolio features successfully completed projects in multiple Industry sectors including commercial offices, education, hospitality, industrial, medical, warehouse, multi-family, and mixed-use developments.

We caught the perfect 80-degree day for some welcomed downtime during our Employee Appreciation BBQ! It was a chance to ...
05/29/2026

We caught the perfect 80-degree day for some welcomed downtime during our Employee Appreciation BBQ! It was a chance to step away from the job site, relax, laugh, and spend some quality time together.

And Smokin' Spanks did not disappoint with their signature beef brisket, pulled chicken and pork, delish sides, and refreshing sweet tea! So grateful for this amazing team and a great afternoon together!👏

https://nationalgranitellc.com/

Community spaces gather people. And we've had the honor of "flooring" some beautiful ones with some amazing companies th...
05/21/2026

Community spaces gather people. And we've had the honor of "flooring" some beautiful ones with some amazing companies through the years!

https://nationalgranitellc.com/

We are incredibly proud to have been part of the team transforming the historic Farr Alpaca site into The Residences on ...
05/13/2026

We are incredibly proud to have been part of the team transforming the historic Farr Alpaca site into The Residences on Appleton. This 86,000-SF adaptive reuse project breathes new life into three iconic structures, providing high-quality senior housing for our community. 🏗️✨

A huge thank you to Keith Construction for the invitation to help them "floor it" on such a meaningful restoration. Seeing long-vacant landmarks turn into vibrant living spaces is why we do what we do.

https://nationalgranitellc.com/

05/08/2026

Covered every square inch of this stunning apartments community in Salem, MA. From sleek studios to expansive multi-bedroom floor plans, our team "floored" it from start to finish.

The LORE Apartments blend Salem's historic charm with modern living, and we're proud to have provided the flooring (literally) for its new residents to walk on.

https://nationalgranitellc.com/

This week we’re saying a bittersweet farewell to Jim McLean. For nearly a decade at National Granite Flooring, Jim has b...
04/27/2026

This week we’re saying a bittersweet farewell to Jim McLean. For nearly a decade at National Granite Flooring, Jim has been a true jack-of-all-trades. From his work as an Estimator, purchasing agent, and Asst. PM to handling submittals and internal liaison work, there wasn’t much he couldn't do.

Jim, thank you for your incredible dedication and for being a cornerstone of our team. We’re going to miss you!

https://nationalgranitellc.com/

The Boston MedFlight Center. What a great collaborative effort this was! It was also a fine example of the possibility, ...
03/18/2026

The Boston MedFlight Center. What a great collaborative effort this was! It was also a fine example of the possibility, and the impact that happens when like-minded industry professionals combine their efforts around a worthwhile vision!

Sometimes you get to be part of a project that highlights building world-class environments that support the future of l...
03/17/2026

Sometimes you get to be part of a project that highlights building world-class environments that support the future of life science and technology.

At Exchange 200 in Malden, MA - we had the opportunity of installing high-performance flooring in a facility designed for the future of science. We loved the challenge of delivering modern, durable surfaces AND we never tire of seeing the finished product!

https://nationalgranitellc.com/


What better way to finish out Women in Construction week than sharing this High-Profile story of our team member Maddy C...
03/06/2026

What better way to finish out Women in Construction week than sharing this High-Profile story of our team member Maddy Cote! She's a rockstar person to work with who always has a smile on her face and a willingness to go the extra mile! How does she do it? Check out the story to find out.


Maddy Cote, Estimator, National Granite FlooringTransitioning from a middle school classroom to the complex world of construction estimating might seem like a leap, but for Maddy Cote, it was a natural evolution. What began as a part-time endeavor assisting her husband evolved into a full-time estim...

The standard is high, and they hit it every time. We’re highlighting the women in construction that help us "floor it" o...
03/04/2026

The standard is high, and they hit it every time. We’re highlighting the women in construction that help us "floor it" on so many amazing projects! From mixed-use developments to hospitality projects, their eye for detail helps to keep our installs on point on every job!

https://nationalgranitellc.com/


Address

237 Daniel Webster Highway
Merrimack, NH
03054

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5:15pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16033187270

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