1. No results to show.
  1. No results to show.

Groundworks

Online now


Thumbtack Guarantee

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

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 1 time

Serves Sumner, WA

Background checked

100 employees

Business hours

Sun9:00 am - 10:00 pmMon6:00 am - 10:00 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
Great 4.7

100 reviews

5

91%

4

1%

3

1%

2

1%

1

6%

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

Read reviews that mention:


pro avatar
Brad A.

Jul 19, 2026

•

From Google

Impressed with explanation of the scope of the repair and cost. The crew was prompt and efficient. Crew was friendly and answered our questions.
Groundworks's reply
Hi Brad! 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
L D.

Jul 14, 2026

•

From Google

My crew was great: Foreman, Ricardo S., Zach M. And Seth R. (Crew)!Thank you very much for your hard work and explanations.
Groundworks's reply
Hi L! We're glad our team was able to show you a great experience. -Groundworks
pro avatar
Jeff Z.

Jul 10, 2026

•

From Google

Andrew W did a fantastic job with our yearly servincing of our system. He was extremely thorough and gave me good, helpful feedback and advice. I have peace of mind our system will continue functioning perfectly.
Groundworks's reply
Hello Jeff! Thank you for providing this awesome rating! We appreciate you taking the time to rate your experience with us. -Groundworks
pro avatar
Edna K.

Jul 10, 2026

•

From Google

To GM Brad, Service Mgr Rich, Service Tech Edgar, and install crew Jacob, Triston, and Seth: thank you, Thank You, THANK YOU! You truly listened to our concerns and when things weren't quite to our satisfaction, you worked to make it right. Stellar customer service and we're confident in the work that was done, from encapsulating our crawlspace and installing a sump pump to installing jacks to stabilize settling and getting rid of our squeaky floor and cabinet gapping. We highly recommend this company!
Groundworks's reply
Hello Edna! We're glad you had a great experience and appreciate your review. -Groundworks
pro avatar
charlie O.

Jul 9, 2026

•

From Google

Jacob, Triston, and Jordan did good job installung intelkijacks a a curtain drain. Very professional and listenedtomy concerns about the project. Appreciate the special care taken to protectthe garden as well.protect the garden as well.Charlie
Groundworks's reply
Hi charlie! 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
Credentials
Background Check

John Thornton

  • Loading