State licence
WA contractor licensing
Check the licence with the state board before work starts.
Open the official lookup →Foundation repair near me
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Foundation repair in Seattle, WA
There are 29 verified foundation firms listed in Seattle, WA. Listings are compiled from public business records and checked against the WA contractor licensing; each record shows the date it was last verified.
Verified listings29 verified listingsSpring band $5,000–$12,000WA licence + Seattle permit links
Information last verified: 8 November 2026. Dataset compiled 8 November 2026.
What qualifies as a listing
Sewer lines in Seattle
Foundation repair work in Seattle follows the same pattern as the rest of WA: the failure mode decides the method, not the other way round.
Permit rules in Seattle are set locally. Ask the city whether your job needs a permit and who pulls it.
What foundation work costs in Seattle
The national range is from the site’s cost guide, checked 2026-11-08. The local column applies the 1.00× metro factor and rounds to $5. It is a planning band, not a quote.
| Job | National range | Seattle planning band | What it includes |
|---|---|---|---|
| Foundation repair, pier and beam | $5,000–$12,000 | $5,000–$12,000 | Typical US range |
| Foundation repair, slab | $3,000–$9,000 | $3,000–$9,000 | Typical US range |
| Wall crack repair | $800–$3,000 | $800–$3,000 | Typical US range |
| Pier installation | $700–$1,500 | $700–$1,500 | Typical US range |
| Crawlspace encapsulation | $3,000–$8,000 | $3,000–$8,000 | Typical US range |
| Underpinning, per pier | $900–$2,000 | $900–$2,000 | Typical US range |
Editorial metro factor, not a measured price index. The factor is not a measured local price index; it estimates labour and permit overhead. A quote that is far below the band usually has a smaller scope, not a better price.
Licence and permit checks for Seattle
Local permit
Seattle permit office
Ask whether the job needs a permit and who pulls it.
Open the permit office →These links go to the official state or city page. The directory does not file permits and does not verify a contractor’s current insurance for you.
Sewer line firms in Seattle, WA
29 verified records. The order is the dataset order, not a ranking. Each card shows the date its record was last verified.
Verified
Seattle Elite masonry and foundation repair
Foundation repair contractor
- Address
- 221 1st Ave
Seattle, WA - Phone
- (206) 591-1717
- Website
- Not published
- Rating
- 5.0 / 5 · 40 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Groundworks Foundation Repair Seattle
Foundation repair contractor
- Address
- 1402 Puyallup St
Seattle, WA - Phone
- (253) 553-3529
- Website
- Not published
- Rating
- 4.8 / 5 · 818 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Jet City Foundation & Construction LLC
Foundation repair contractor
- Address
- 1700 Westlake Ave
Seattle, WA - Phone
- (425) 470-0421
- Website
- Not published
- Rating
- 4.9 / 5 · 33 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Embassy Masonry And Foundation Repairs
Foundation repair contractor
- Address
- 1700 7th Ave
Seattle, WA - Phone
- (206) 608-5557
- Website
- Not published
- Rating
- 4.9 / 5 · 62 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Expert Masonry and Foundation Repairs
Foundation repair contractor
- Address
Seattle, WA- Phone
- (224) 421-0617
- Website
- Not published
- Rating
- 4.9 / 5 · 72 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle quality Waterproofing and foundation repair
Foundation repair contractor
- Address
Seattle, WA- Phone
- (206) 610-1860
- Website
- Not published
- Rating
- 5.0 / 5 · 29 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle Foundation Repair
Foundation repair contractor
- Address
- 1546 NW 56th St
Seattle, WA - Phone
- (206) 889-6751
- Website
- Not published
- Rating
- 4.2 / 5 · 99 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle advanced waterproofing & foundation repairs
Foundation repair contractor
- Address
Seattle, WA- Phone
- (206) 503-9212
- Website
- Not published
- Rating
- 5.0 / 5 · 40 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
R&R Foundation Specialist
Foundation repair contractor
- Address
- 1611 E Marine View Dr
Seattle, WA - Phone
- (425) 399-7671
- Website
- Not published
- Rating
- 4.7 / 5 · 313 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle secure waterproofing & foundation
Foundation repair contractor
- Address
Seattle, WA- Phone
- (206) 327-7503
- Website
- Not published
- Rating
- 5.0 / 5 · 31 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle foundation repair
Foundation repair contractor
- Address
- 12843 NE 14th Pl
Seattle, WA - Phone
- (206) 752-2991
- Website
- Not published
- Rating
- 4.6 / 5 · 34 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Ram Jack West
Foundation repair contractor
- Address
- 19904 Des Moines Memorial Dr
Seattle, WA - Phone
- (206) 279-6532
- Website
- Not published
- Rating
- 4.8 / 5 · 154 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Dry Foundation Repair Seattle
Foundation repair contractor
- Address
Seattle, WA- Phone
- (425) 648-5032
- Website
- Not published
- Rating
- 5.0 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
KG Basement Waterproofing Seattle
Foundation repair contractor
- Address
- 800 S Weller St
Seattle, WA - Phone
- (206) 202-6746
- Website
- Not published
- Rating
- 5.0 / 5 · 34 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
NW Foundation & Basement
Foundation repair contractor
- Address
- 1600 7th Ave
Seattle, WA - Phone
- (206) 647-8129
- Website
- Not published
- Rating
- 5.0 / 5 · 7 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Robbins & Co
Foundation repair contractor
- Address
- 1228 S 140th St
Seattle, WA - Phone
- (206) 738-2296
- Website
- Not published
- Rating
- 4.5 / 5 · 73 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Sound Seismic Earthquake Retrofitting
Foundation repair contractor
- Address
- 2400 NW 80th St
Seattle, WA - Phone
- (206) 352-5644
- Website
- Not published
- Rating
- 4.9 / 5 · 101 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Portal Seattle Concrete
Foundation repair contractor
- Address
Seattle, WA- Phone
- (206) 829-6396
- Website
- Not published
- Rating
- 5.0 / 5 · 102 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
TerraFirma
Foundation repair contractor
- Address
- 819 78th Ave
Seattle, WA - Phone
- (253) 400-1850
- Website
- Not published
- Rating
- 4.7 / 5 · 428 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Evergreen Seismic Seattle
Foundation repair contractor
- Address
Seattle, WA- Phone
- (206) 984-2580
- Website
- Not published
- Rating
- 5.0 / 5 · 44 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Seattle Waterproofing and Masonry
Foundation repair contractor
- Address
- 720 Seneca St
Seattle, WA - Phone
- (253) 270-8338
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
City Construction Solution
Foundation repair contractor
- Address
- 1997 Bellevue Way
Seattle, WA - Phone
- (425) 522-2270
- Website
- Not published
- Rating
- 5.0 / 5 · 209 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Gravity Waterproofing and Drainage
Foundation repair contractor
- Address
- 13760 Aurora Ave
Seattle, WA - Phone
- (206) 761-0707
- Website
- Not published
- Rating
- 4.6 / 5 · 37 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Premier Masonry & Waterproofing
Foundation repair contractor
- Address
- 2300 26th Ave
Seattle, WA - Phone
- (206) 608-7922
- Website
- Not published
- Rating
- 5.0 / 5 · 4 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Groundworks
Foundation repair contractor
- Address
- 19516 Arlington Vly Rd
Seattle, WA - Phone
- (360) 282-2121
- Website
- Not published
- Rating
- 4.9 / 5 · 382 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
1-866-SLABJACK
Foundation repair contractor
- Address
- 6116 211th St
Seattle, WA - Phone
- (866) 752-2522
- Website
- Not published
- Rating
- 4.9 / 5 · 430 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
GP Concrete Contractors
Foundation repair contractor
- Address
- 600 University St
Seattle, WA - Phone
- (206) 202-9789
- Website
- Not published
- Rating
- 5.0 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
All Seasons Waterproofing and Drainage, Inc.
Foundation repair contractor
- Address
- 8828 206th St
Seattle, WA - Phone
- (425) 908-7991
- Website
- Not published
- Rating
- 4.8 / 5 · 197 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Top Foundation & Waterproofing
Foundation repair contractor
- Address
- 33301 9th Ave
Seattle, WA - Phone
- (253) 453-2165
- Website
- Not published
- Rating
- 5.0 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Firms in Seattle, WA are shown in the order supplied by the dataset, not by rating or payment. No placement is sold. Each name opens that firm’s own profile page.
How this list was built
The directory starts from public business records: the firm’s own website, its published address and phone number, and the state or city licence register named above. A record is marked verified only when a person has checked the name, address, phone and licence against those sources and recorded the date. The place_id field is kept so a future rebuild can match the same entity without guessing.
The national cost band comes from the site’s cost guide. The metro factor is an editorial estimate, not a survey. No rating, review text, price or availability is invented for a verified page; where a public rating is shown it is attributed and dated.
If a record is wrong, the firm can ask for a correction or removal.Corrections: contact@foundationrepairlab.com. Read the fulllisting verification method.
Foundation repair in Seattle: common questions
How many foundation firms are listed in Seattle?
29 verified foundation firms are listed in Seattle, WA. 0 publish a website, and 29 records have been verified. The city page is generated only because the dataset contains at least one genuine listing record; a city with no record has no page.
What does foundation repair cost in Seattle?
The directory’s planning band for a torsion spring replacement is $5,000–$12,000. It is the national range ($5,000–$12,000, checked 2026-11-08) multiplied by an editorial metro factor of 1.00 and rounded to $5. It is an estimate, not a local price survey, and not a quote. Get three written quotes for the same scope.
Does WA license foundation contractors?
Check the licence with the state board before work starts. The official lookup is the WA contractor licensing, linked on this page. A licence or registration number is a starting point, not a substitute for checking insurance and the scope of the work.
Do I need a permit for a foundation in Seattle?
Ask whether the job needs a permit and who pulls it. The permit office is the Seattle permit office, linked on this page. If the contractor says no permit is needed, ask them to put the reason in writing.
Foundation repair near Seattle
The closest metros in this directory, by straight-line distance. Each link opens that city’s own cost, licence and permit page.
Guides for Seattle homeowners
What foundation repair costs
Installed ranges by job, and the five lines every quote should show.
Read the guide →Diagnose the problem first
Symptom to cause, what proves it, and what not to do first.
Read the guide →How to choose a contractor
Licence, insurance, warranty and the questions that expose a thin scope.
Read the guide →Compare the options
Repair, replace or change the opening — decided on scope and five-year cost.
Read the guide →Browse the whole directory.
All service areas ·All WA service areas ·Cost guides ·Methodology