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Groundworks

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If you hire this pro, you’re covered by a money-back guarantee. Learn more

About
Groundworks is North America’s leading and fastest-growing foundation repair and basement waterproofing company. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first call to the annual maintenance offered, our customers have peace of mind knowing we’re there with one mission – to repair, protect, and improve their home.
Overview

Hired 6 times

Serves North Haven, CT

Background checked

100 employees

1 year in business

Business hours

Sun10:00 am - 11:00 pmMon7:00 am - 11:00 pm

Payment methods

This pro accepts payments via Cash, Check, and Credit card.

Social media

Facebook, Instagram, Twitter

Services offered
Existing foundation

Crawl space

Full basement

Slab on grade

Pile and grinder

Property type

Residential

Commercial

Projects and media
Projects and media
Reviews

Customers rated this pro highly for punctuality, professionalism, and work quality.

Great 4.8

99 reviews

5

93%

4

2%

3

1%

2

0%

1

4%

Your trust means everything to us. Learn about our review guidelines.

Read reviews that mention:


pro avatar
Crawford

Feb 2, 2026

•

From Google

During the work unforeseen problems appeared and they were assessed and a path forward was made until the foundation was secured and completed .They did the job in five days and their work is guaranteed for life. Thats all I could ask for, thank you ground works for all that you did.
Groundworks's reply
Hi Crawford! We're glad our team was able to show you an awesome experience and appreciate your review. We'll be sure to share with each team member! -Groundworks
pro avatar
Rebecca M.

Jan 31, 2026

•

From Google

Cannot say enough good things about Groundworks. They came out, listened to what my concerns were and what my plans were for my house. Did a super thorough inspection and talked me through possibilities. At the end of the day, they were not pushing me to spend money. They actually said that the way my house is right now is OK. In the age of everybody trying to hustle, I really appreciate a company that is thoughtful about asking you to spend money and honest when you don't need to. And they are Employee owned. I really like that. If I need any work in the future, it will be Groundworks that gets my business.
Groundworks's reply
Hello Rebecca! Thank you for providing this awesome rating! We appreciate you taking the time to rate your experience with us. -Groundworks
pro avatar
Doctor J.

Jan 31, 2026

•

From Google

We had a fantastic experience with Ron today. He took his time to share his knowledge, show his findings in great detail, and explain our options without pressuring us in any direction. We started off with a sales call, and made a friend by the end. Not something you can say often! We're looking forward to getting work done in the near future with Groundworks.
Groundworks's reply
Hello Doctor! We're glad you had a great experience and appreciate your review. -Groundworks
pro avatar
Mihail S.

Aug 25, 2026

•

Hired on Thumbtack

We are just planning the project for now, but so far I am pleased.

Details: Cracked floor or foundation • Cracked or bowing walls and siding • Uneven or sloping floors • Full basement • Wood • No obstacles • Residential • Owner

Foundation Repair
pro avatar
Anthony B.

Jan 23, 2026

•

From Google

Excellent experience with this company. Brendan , the field inspector, was on time, knowledgeable , and explained all aspects of the job clearly. I highly recommend these guys !
Groundworks's reply
Hello Anthony! Thank you for providing this awesome rating! We appreciate you taking the time to rate your experience with us. -Groundworks
Credentials
Background Check

John Thornton

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