61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Foundation”.
- 5.0★ from 49 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13555 SE 36th St, Bellevue, WA 98006
Best Foundation Repair Companies in Renton, WA (2026)
133 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Renton: Swift Masonry And Foundation Repair, CR Score 61/100; 5.0★ from 49 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Expert Masonry and Foundation Repairs, posts 24/7 hours; ranked #2 of 133.
- 4
Most-reviewed: Valentine Roofing, 1,359 Google reviews at 4.8★, the most of 133 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
133 Renton foundation repair companies are ranked here by CR Score, from ten published factors. 26 are open 24/7, 79 open Saturdays and 51 open Sundays, based on posted hours. The median Google rating is 5.0★ across 133 rated businesses.
Most of this list also appears on the Foundation repair companies in Seattle ranking. See Foundation repair companies in Seattle
Top 10 foundation repair companies in Renton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Swift Masonry And Foundation Repair | 61 | 5.0★ (49) | Bellevue, 7 mi away | 24/7 | Overall |
| 2 | Expert Masonry and Foundation Repairs | 61 | 5.0★ (62) | Seattle, 12 mi away | 24/7 | Emergencies |
| 3 | Seattle quality Waterproofing and foundation repair | 61 | 5.0★ (30) | Bellevue, 3 mi away | 24/7 | — |
| 4 | Valentine Roofing | 61 | 4.8★ (1,359) | Tukwila, 3 mi away | 24/7 | Most reviews |
| 5 | KG Basement Waterproofing Seattle | 60 | 5.0★ (34) | Seattle, 9 mi away | 24/7 | — |
| 6 | Seattle Elite masonry and foundation repair | 60 | 5.0★ (40) | Seattle, 12 mi away | 24/7 | — |
| 7 | Embassy Masonry And Foundation Repairs | 60 | 5.0★ (60) | Seattle, 11 mi away | Sat · Sun · Evenings | — |
| 8 | Sump Pump Wizards | 60 | 4.8★ (58) | Bonney Lake, 7 mi away | Sat · Sun · Evenings | — |
| 9 | Seattle advanced waterproofing & foundation repairs | 59 | 5.0★ (41) | Bainbridge Island, 10 mi away | 24/7 | — |
| 10 | WA Masonry & Waterproofing LLC | 59 | 5.0★ (18) | Seattle, 11 mi away | 24/7 | — |
The 133 best foundation repair companies in Renton, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Seattle, 12 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 221 1st Ave W, Seattle, WA 98119
Based in Bellevue, 3 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Tukwila, 3 mi away
61/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews, the most in Renton.
- 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, 9 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Waterproofing service”.
- 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 Seattle, 12 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Waterproofing service”.
- 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, 11 mi away
60/100CR ScoreRanked #7 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 Bonney Lake, 7 mi away
60/100CR ScoreRanked #8 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 Bainbridge Island, 10 mi away
59/100CR 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, 11 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2727 Western Ave, Seattle, WA 98121
Based in Bainbridge Island, 10 mi away
59/100CR ScoreRanked #11 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, 11 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Waterproofing service”.
- 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 Seattle, 11 mi away
57/100CR ScoreRanked #13 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 Kent, 7 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
- 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 Auburn, 15 mi away
57/100CR ScoreRanked #15 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 Renton
57/100CR ScoreRanked #16 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, 18 mi away
57/100CR 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
#18 Ram Jack West
Based in SeaTac, 6 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Foundation”.
- 4.7★ from 101 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 19904 Des Moines Memorial Dr S, SeaTac, WA 98148
Based in Federal Way, 20 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Auburn, 14 mi away
56/100CR ScoreRanked #20 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 Mercer Island, 7 mi away
55/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 61 Google reviews.
- 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 Spanaway, 16 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Bothell, 21 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
- 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 Redmond, 14 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Masonry contractor”.
- 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 Redmond, 13 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 54 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 7351 148th Ave NE, Redmond, WA 98052
How much do foundation repair companies cost in Renton?
National price ranges in USD, not adjusted for Renton. 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 Renton foundation repair companies
We scored 133 Renton foundation repair companies on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 23, 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 Renton data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Foundation repair companies in Renton: frequently asked questions
Who is the best foundation repair company in Renton?
By CR Score, the highest-ranked foundation repair company in Renton, WA is Swift Masonry And Foundation Repair with a CR Score of 61/100. It has 5.0★ from 49 Google reviews. It is open 24/7. Expert Masonry and Foundation Repairs (#2) and Seattle quality Waterproofing and foundation repair (#3) follow. We ranked 133 foundation repair companies on ten factors, last updated October 23, 2026.
How many foundation repair companies are there in Renton?
ContractorsRanked ranks 133 foundation repair companies serving Renton, WA. 1 of them is based in Renton; the rest serve it from nearby towns. Counts are as of October 2026.
Which foundation repair companies in Renton are open 24/7?
26 ranked foundation repair companies in Renton post 24/7 hours. The highest-ranked are Swift Masonry And Foundation Repair (#1), Expert Masonry and Foundation Repairs (#2) and Seattle quality Waterproofing and foundation repair (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Renton work on weekends?
79 of 133 ranked foundation repair companies post Saturday hours and 51 post Sunday hours. The highest-ranked open Saturdays are Swift Masonry And Foundation Repair (#1), Expert Masonry and Foundation Repairs (#2) and Seattle quality Waterproofing and foundation repair (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Renton?
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 Renton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Renton foundation repair companies have?
The median Google rating among 133 rated foundation repair companies in Renton is 5.0★, with a median of 20 reviews. Valentine Roofing has the most, 1,359 reviews, and ranks #4. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Renton count in this ranking?
Yes, if they are within 40 mi of the Renton 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 Renton
- October 2026: CR Scores recalculated for 133 foundation repair companies serving Renton.
More foundation repair companies and Renton pages
Foundation repair companies near Renton
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