89/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
- 5.0★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 221 1st Ave W, Seattle, WA 98119
Best Foundation Repair Companies in Vashon, WA (2026)
135 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Vashon: Expert Masonry and Foundation Repairs, CR Score 89/100; 5.0★ from 62 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Seattle Elite masonry and foundation repair, posts 24/7 hours; ranked #2 of 135.
- 6
Most-reviewed: Valentine Roofing, 1,359 Google reviews at 4.8★, the most of 135 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Vashon foundation repair companies are ranked here by CR Score, from 8 published factors. 26 are open 24/7, 80 open Saturdays and 50 open Sundays, based on posted hours. The median Google rating is 5.0★ across 135 rated businesses.
Top 10 foundation repair companies in Vashon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Expert Masonry and Foundation Repairs | 89 | 5.0★ (62) | Seattle, 13 mi away | 24/7 | Overall |
| 2 | Seattle Elite masonry and foundation repair | 88 | 5.0★ (40) | Seattle, 13 mi away | 24/7 | Emergencies |
| 3 | KG Basement Waterproofing Seattle | 88 | 5.0★ (34) | Seattle, 12 mi away | 24/7 | — |
| 4 | Seattle quality Waterproofing and foundation repair | 88 | 5.0★ (30) | Bellevue, 10 mi away | 24/7 | — |
| 5 | Swift Masonry And Foundation Repair | 88 | 5.0★ (49) | Bellevue, 17 mi away | 24/7 | — |
| 6 | Valentine Roofing | 87 | 4.8★ (1,359) | Tukwila, 10 mi away | 24/7 | Most reviews |
| 7 | WA Masonry & Waterproofing LLC | 86 | 5.0★ (18) | Seattle, 13 mi away | 24/7 | — |
| 8 | Embassy Masonry And Foundation Repairs | 85 | 5.0★ (60) | Seattle, 13 mi away | Sat · Sun · Evenings | — |
| 9 | Seattle advanced waterproofing & foundation repairs | 85 | 5.0★ (41) | Bainbridge Island, 13 mi away | 24/7 | — |
| 10 | NW Foundation & Basement | 84 | 5.0★ (14) | Seattle, 13 mi away | 24/7 | — |
The 135 best foundation repair companies in Vashon, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Seattle, 13 mi away
88/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 40 Google reviews, open 24/7.
- 5.0★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 221 1st Ave W #200, Seattle, WA 98119
Based in Seattle, 12 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 800 S Weller St, Seattle, WA 98104
Based in Bellevue, 10 mi away
88/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 30 Google reviews, open 24/7.
- 5.0★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bellevue, 17 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
- 5.0★ from 49 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13555 SE 36th St, Bellevue, WA 98006
Based in Tukwila, 10 mi away
87/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews, the most Google reviews on this list (1,359).
- 4.8★ from 1,359 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 400 Industry Dr Suite 130, Tukwila, WA 98188
Based in Seattle, 13 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2727 Western Ave, Seattle, WA 98121
Based in Seattle, 13 mi away
85/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 60 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1700 7th Ave, Seattle, WA 98101
Based in Bainbridge Island, 13 mi away
85/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Seattle, 13 mi away
84/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1600 7th Ave #173, Seattle, WA 98101
Based in Bonney Lake, 16 mi away
84/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 58 Google reviews
- Hours
- Mon–Sat 8 AM–7:30 PM · Sun 10 AM–7 PM
Based in Kent, 13 mi away
84/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 25022 104th Ave SE #173, Kent, WA 98030
Based in Federal Way, 14 mi away
84/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bainbridge Island, 13 mi away
83/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 36 Google reviews
- Hours
- Mon–Sun 6 AM–8 PM
Based in Seattle, 13 mi away
83/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2801 Alaskan Wy Pier 70, Seattle, WA 98121
Based in Auburn, 19 mi away
82/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
Based in Seattle, 20 mi away
82/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Fri 9 AM–7 PM · Sat–Sun 10 AM–7 PM
- Address
- 13760 Aurora Ave N, Seattle, WA 98133
Based in Mercer Island, 14 mi away
81/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 61 Google reviews, open 24/7.
- 4.9★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2811 75th Pl SE, Mercer Island, WA 98040
Based in Bothell, 26 mi away
81/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22833 Bothell Everett Hwy #156, Bothell, WA 98021
Based in Auburn, 13 mi away
81/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 71 Google reviews, open 24/7.
- 4.8★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3420 C St NE Suite 403, Auburn, WA 98002
#21 North OG Roofing
Based in Federal Way, 11 mi away
81/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 39 Google reviews, open 24/7.
- 4.9★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Redmond, 23 mi away
81/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18120 NE 68th St, Redmond, WA 98052
Based in Auburn, 20 mi away
81/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 22 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 33422 192nd Ave SE UNIT 7, Auburn, WA 98092
Based in Renton, 12 mi away
81/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 2000 Benson Rd S, Renton, WA 98055
Based in Seattle, 16 mi away
80/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
- 5.0★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1400 NW Leary Wy, Seattle, WA 98107
Foundation repair companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 135 ranked foundation repair companies here; the rest are on their profiles.
Also serving Vashon
20 more foundation repair companies within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 6-Speed Contractors | 5.0★ (2) | In Vashon |
| APEX Specialty Coatings | 5.0★ (1) | 10 mi |
| Bailey Built Homes | 5.0★ (3) | In Vashon |
| Baron Construction | 5.0★ (1) | In Vashon |
| Concrete Experts LLC | 5.0★ (2) | 26 mi |
| County Line Construction & Excavation | 5.0★ (25) | In Vashon |
| Greentree Dozing | 4.8★ (26) | In Vashon |
| Lovrovich Construction | 5.0★ (5) | In Vashon |
| Magnuson Concrete | 3.0★ (2) | 39 mi |
| Master EIFS | 5.0★ (2) | 15 mi |
| Max Concrete LLC | In Vashon | |
| Premier Masonry & Waterproofing | 5.0★ (1) | 12 mi |
| Progressive Wallcovering & Painting | 5.0★ (2) | 38 mi |
| Raab Construction LLC | 4.8★ (26) | In Vashon |
| Seatac Builders | 5.0★ (2) | 24 mi |
| Steve's Tile & Stone | 1.0★ (2) | 26 mi |
| Vashon Construction | 3.0★ (2) | In Vashon |
| Verdant Visions Painting | 5.0★ (2) | 17 mi |
| Westbay Masonry and Construction | 5.0★ (2) | 13 mi |
| Zellerhoff Construction | 5.0★ (4) | In Vashon |
How much do foundation repair companies cost in Vashon?
National price ranges in USD, not adjusted for Vashon. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
How we ranked Vashon foundation repair companies
We scored 135 Vashon foundation repair companies on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Vashon data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Foundation repair companies in Vashon: frequently asked questions
Who is the best foundation repair company in Vashon?
By CR Score, the highest-ranked foundation repair company in Vashon, WA is Expert Masonry and Foundation Repairs with a CR Score of 89/100. It has 5.0★ from 62 Google reviews. It is open 24/7. Seattle Elite masonry and foundation repair (#2) and KG Basement Waterproofing Seattle (#3) follow. We ranked 135 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Vashon?
ContractorsRanked ranks 135 foundation repair companies serving Vashon, WA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Vashon are open 24/7?
26 ranked foundation repair companies in Vashon post 24/7 hours. The highest-ranked are Expert Masonry and Foundation Repairs (#1), Seattle Elite masonry and foundation repair (#2) and KG Basement Waterproofing Seattle (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Vashon work on weekends?
80 of 135 ranked foundation repair companies post Saturday hours and 50 post Sunday hours. The highest-ranked open Saturdays are Expert Masonry and Foundation Repairs (#1), Seattle Elite masonry and foundation repair (#2) and KG Basement Waterproofing Seattle (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Vashon?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Vashon. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Vashon foundation repair companies have?
The median Google rating among 135 rated foundation repair companies in Vashon is 5.0★, with a median of 19 reviews. Valentine Roofing has the most, 1,359 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Vashon count in this ranking?
Yes, if they are within 40 mi of the Vashon city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Vashon
- October 2026: CR Scores recalculated for 135 foundation repair companies serving Vashon.
More foundation repair companies and Vashon pages
Foundation repair companies near Vashon
- Foundation repair companies in Burien, WA133 ranked
- Foundation repair companies in Maplewood, WA125 ranked
- Foundation repair companies in Normandy Park, WA134 ranked
- Foundation repair companies in White Center, WA133 ranked
- Foundation repair companies in Des Moines, WA130 ranked
- Foundation repair companies in Boulevard Park, WA133 ranked
- Foundation repair companies in SeaTac, WA133 ranked
- Foundation repair companies in Riverton, WA134 ranked
- Foundation repair companies in Manchester, WA134 ranked
- Foundation repair companies in Parkwood, WA133 ranked
Other trades in Vashon
- Roofers in Vashon1150 ranked
- Plumbers in Vashon585 ranked
- Electricians in Vashon538 ranked
- HVAC contractors in Vashon515 ranked
- General contractors in Vashon1313 ranked
- Painters in Vashon339 ranked
- Landscapers in Vashon297 ranked
- Handymen in Vashon133 ranked
- Kitchen remodelers in Vashon672 ranked
- Bathroom remodelers in Vashon667 ranked
- Flooring contractors in Vashon434 ranked
- Tile installers in Vashon82 ranked
- Drywall contractors in Vashon27 ranked
- Concrete contractors in Vashon309 ranked
- Fence contractors in Vashon283 ranked
- Deck builders in Vashon406 ranked
- Siding contractors in Vashon366 ranked
- Window installers in Vashon372 ranked
- Gutter installers in Vashon350 ranked
- Insulation contractors in Vashon173 ranked
- Solar installers in Vashon70 ranked
- Garage door repair companies in Vashon235 ranked
- Tree services in Vashon274 ranked
- Masonry contractors in Vashon176 ranked
- Water damage restoration companies in Vashon493 ranked
- Home builders in Vashon628 ranked
- Demolition contractors in Vashon116 ranked
- All contractors in Vashon