Groundworks

mudjacking contractor, well, basement waterproofer,

This pro has maintained an average of 4.5+ stars throughout their time with Angi.

About us

Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the Seattle area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.

Business highlights

30 years of trusted experience
Se Habla Español

Amenities

Free Estimates
Yes
Warranties
Yes


Accepted payment methods

CreditCard

Reviews

4.672 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
76%
4
19%
3
1%
2
1%
1
1%


Rating CategoryRating out of 5
quality
4.6
value
4.6
responsiveness
4.7
Showing 26-50 of 72 reviews

David S.
05/2019
5.0
Professional presentation without high pressure and 3 different solutions based on my needs.

Rating CategoryRating out of 5
quality
5.0
value
4.5
responsiveness
5.0

Yes, I recommend this pro
$1,900

Rick B.
01/2019
3.5
Went over the bid but good customer service

Rating CategoryRating out of 5
quality
3.5
value
3.5
responsiveness
3.5

Yes, I recommend this pro

Dave R.
01/2019
5.0
Did a good job raising our steps.

Rating CategoryRating out of 5
quality
4.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro
$1,900

Michael M.
09/2018
5.0
Did the foam solution. Much cleaner and easier to do. Barely can see the holes.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro
$2,150

Paul S.
09/2018
5.0
Great communication with the on-site team!

Rating CategoryRating out of 5
quality
5.0
value
4.5
responsiveness
5.0

Yes, I recommend this pro

Ramesh C.
09/2018
5.0
They very reliable and they explain everything with foundation issue

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Kimberly M.
08/2018
5.0
They were polite and efficient. Lifted two walkways, a section of the driveway and garage. They finished by noon.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Guy M.
07/2018
5.0
Leveled our entry walkway. Filled gap created by break in concrete so well with grout and gravel that the repair is totally not noticeable. Replaced a rotted board in same walkway with pressure treated wood. Should be a durable repair the next homeowner can enjoy for years.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro
$1,800

Greg S.
06/2018
5.0
Professional and efficient

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

shari a.
05/2018
5.0
no comments

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Ronald W.
04/2018
4.0
Good communication with company and timely scheduling of work. Slab jacking was good but repair of exist crack has to be redone.

Rating CategoryRating out of 5
quality
4.0
value
4.0
responsiveness
4.5

Yes, I recommend this pro

John J.
04/2018
3.5
We had Matvey Construction come out to raise a corner of our patio that had dropped. The crew was friendly and efficient. We were mostly please with the result in that it looks significantly better, although they were not able to raise the drop completely. We thought the project was somewhat expensive, but perhaps it would have been no matter who we hired. Overall, we were satisfied with their work.

Rating CategoryRating out of 5
quality
4.0
value
3.5
responsiveness
4.5

Yes, I recommend this pro
$1,600

liz n.
03/2018
5.0
We’re really careful around previous work done.did the job cleaned up and were professional and friendly

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro

Bill H.
12/2017
4.0
Great job good clean up. Wish surface was leveled a little more . Al in all would recommend.

Rating CategoryRating out of 5
quality
3.5
value
4.0
responsiveness
5.0

Yes, I recommend this pro
$2,000

John H.
12/2017
4.5
This was a very professional job, beginning to end. It was just relabeling a walkway, but they leveled up an uneven crack perfectly.

Rating CategoryRating out of 5
quality
4.5
value
3.5
responsiveness
5.0

Yes, I recommend this pro

Ken J.
11/2017
5.0
Completed work on schedule one month ago. So far quality seems good. Employees were polite and cleaned up the area. Would recommend

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
4.0

Yes, I recommend this pro

Rebecca P.
11/2017
4.0
The crew and contractors did a great job. Would recommend.

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
4.5

Yes, I recommend this pro
$8,000

Colleen W.
11/2017
5.0
They did the job well, cleaned up before they left and the workers were polite and respectful.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro
$3,200

Don H.
11/2017
5.0
Arrived on time and got right to work. They knew how to do their jobs. They finished the job when they said they would. The only complaint I have is that they did not clean up the Run's of epoxy and it left the walls streaked.

Rating CategoryRating out of 5
quality
3.5
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Kris M.
10/2017
4.0
The estimation process was informative and a good experience. Did a good job lifting the slab and were punctual to start the job. They didn't clean up as thoroughly as I would've liked leaving some large pieces of foam and water bottles around the site.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
4.5

Yes, I recommend this pro
$6,700

dennis f.
10/2017
5.0
perfect

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

dennis f.
09/2017
5.0
perfect

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Diane & Jim D.
09/2017
5.0
Although expensive, the fix for our slab was quick and professional and hopefully will save us from a future problem.

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro
    • 1
    • 2(current)
    • 3

Contact information

18915 16th Ave S, SeaTac, WA 98188

https://www.groundworks.com/

Service hours

Monday:
4:00 AM - 8:00 PM
Tuesday:
4:00 AM - 8:00 PM
Wednesday:
4:00 AM - 8:00 PM
Thursday:
4:00 AM - 8:00 PM
Friday:
4:00 AM - 8:00 PM
Saturday:
5:00 AM - 8:00 PM
Sunday:
7:00 AM - 8:00 PM

Licensing

Licensed*

Trade License Number
MATVECI991CB
Trade License Locale
WA
Trade License Expiration
10/04/2025
State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.

*Contact business to see additional licenses.


Service Categories

mudjacking contractor,
well,
basement waterproofer,
concrete repair contractor,
foundation repair contractor,
plumber

FAQ

Monday: 4:00 AM - 8:00 PM

Tuesday: 4:00 AM - 8:00 PM

Wednesday: 4:00 AM - 8:00 PM

Thursday: 4:00 AM - 8:00 PM

Friday: 4:00 AM - 8:00 PM

Saturday: 5:00 AM - 8:00 PM

Sunday: 7:00 AM - 8:00 PM

Groundworks accepts the following forms of payment: CreditCard
Yes, Groundworks offers free project estimates.
No, Groundworks does not offer eco-friendly accreditations.
No, Groundworks does not offer a senior discount.
No, Groundworks does not offer emergency services.
Yes, Groundworks offers warranties.

Contact information

18915 16th Ave S, SeaTac, WA 98188

https://www.groundworks.com/

Service hours

Monday:
4:00 AM - 8:00 PM
Tuesday:
4:00 AM - 8:00 PM
Wednesday:
4:00 AM - 8:00 PM
Thursday:
4:00 AM - 8:00 PM
Friday:
4:00 AM - 8:00 PM
Saturday:
5:00 AM - 8:00 PM
Sunday:
7:00 AM - 8:00 PM