61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews, the most in Kent.
- 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
Best Foundation Repair Companies in Kent, WA (2026)
128 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Kent: Valentine Roofing, CR Score 61/100; 4.8★ from 1,359 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Expert Masonry and Foundation Repairs, posts 24/7 hours; ranked #2 of 128.
- 23
Most-reviewed: Capitol Duct Cleaning, 814 Google reviews at 5.0★, the most of 128 ranked after Valentine Roofing; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
128 Kent foundation repair companies are ranked here by CR Score, from ten published factors. 26 are open 24/7, 78 open Saturdays and 50 open Sundays, based on posted hours. The median Google rating is 5.0★ across 128 rated businesses.
Top 10 foundation repair companies in Kent at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Valentine Roofing | 61 | 4.8★ (1,359) | Tukwila, 5 mi away | 24/7 | Overall |
| 2 | Expert Masonry and Foundation Repairs | 60 | 5.0★ (62) | Seattle, 18 mi away | 24/7 | Emergencies |
| 3 | Swift Masonry And Foundation Repair | 60 | 5.0★ (49) | Bellevue, 14 mi away | 24/7 | — |
| 4 | Seattle quality Waterproofing and foundation repair | 60 | 5.0★ (30) | Bellevue, 9 mi away | 24/7 | — |
| 5 | KG Basement Waterproofing Seattle | 59 | 5.0★ (34) | Seattle, 16 mi away | 24/7 | — |
| 6 | Seattle Elite masonry and foundation repair | 59 | 5.0★ (40) | Seattle, 18 mi away | 24/7 | — |
| 7 | Embassy Masonry And Foundation Repairs | 59 | 5.0★ (60) | Seattle, 17 mi away | Sat · Sun · Evenings | — |
| 8 | Sump Pump Wizards | 58 | 4.8★ (58) | Bonney Lake, 14 mi away | Sat · Sun · Evenings | — |
| 9 | Rainier Foundation & Waterproofing | 58 | 5.0★ (5) | Kent | 24/7 | — |
| 10 | Seattle advanced waterproofing & foundation repairs | 58 | 5.0★ (41) | Bainbridge Island, 17 mi away | 24/7 | — |
The 128 best foundation repair companies in Kent, 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, 18 mi away
60/100CR 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, 14 mi away
60/100CR ScoreRanked #3 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
Based in Bellevue, 9 mi away
60/100CR ScoreRanked #4 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 Seattle, 16 mi away
59/100CR 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, 18 mi away
59/100CR 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, 17 mi away
59/100CR 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, 14 mi away
58/100CR 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 Kent
58/100CR ScoreRanked #9 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 Bainbridge Island, 17 mi away
58/100CR ScoreRanked #10 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, 17 mi away
58/100CR ScoreRanked #11 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, 17 mi away
58/100CR ScoreRanked #12 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 Federal Way, 14 mi away
57/100CR ScoreRanked #13 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 Seattle, 17 mi away
57/100CR ScoreRanked #14 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 Auburn, 9 mi away
57/100CR ScoreRanked #15 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
#16 Ram Jack West
Based in SeaTac, 5 mi away
57/100CR ScoreRanked #16 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 Seattle, 17 mi away
56/100CR ScoreRanked #17 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, 22 mi away
56/100CR ScoreRanked #18 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, 6 mi away
56/100CR ScoreRanked #19 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 Auburn, 3 mi away
56/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 71 Google reviews.
- 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
Based in Seattle, 25 mi away
56/100CR ScoreRanked #21 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
#22 North OG Roofing
Based in Federal Way, 2 mi away
55/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 39 Google reviews.
- 4.9★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Spanaway, 21 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 814 Google reviews.
- 5.0★ from 814 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 133 168th St S, Spanaway, WA 98387
Based in Puyallup, 13 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Foundation”.
- 4.8★ from 51 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 201 W Stewart Ave, Puyallup, WA 98371
Based in Mercer Island, 14 mi away
54/100CR ScoreRanked #25 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
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 128 ranked foundation repair companies here; the rest are on their profiles.
Also serving Kent
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 |
|---|---|---|
| All Around Construction Inc | 4.6★ (8) | In Kent |
| ALL CUSTOM BUILDING LLC | In Kent | |
| Apeland Contracting Inc | 3.0★ (2) | In Kent |
| Brundage-Bone Concrete Pumping | 4.4★ (20) | In Kent |
| Condon-Johnson & Associates Inc | 5.0★ (2) | In Kent |
| Door Pro America | 4.6★ (510) | In Kent |
| Island Concrete, Llc | 3.8★ (19) | In Kent |
| Kent Concrete Masters | 5.0★ (8) | In Kent |
| Level & plumb construction inc | 5.0★ (3) | In Kent |
| Malcolm Drilling Company, Inc | 4.3★ (33) | In Kent |
| Master Quality Painting and Construction | In Kent | |
| Monument Construction | 5.0★ (1) | In Kent |
| Northwest Crawl Space Services | 5.0★ (427) | In Kent |
| Nw Builder Group Llc | 4.7★ (87) | In Kent |
| PrudentRidge GC | In Kent | |
| Richie Foundation | 5.0★ (1) | In Kent |
| SSI Construction | 3.7★ (3) | In Kent |
| Strive Restoration | 4.9★ (32) | In Kent |
| The Conco Companies | 4.5★ (27) | In Kent |
| Vela Water Damage | 5.0★ (27) | In Kent |
How much do foundation repair companies cost in Kent?
National price ranges in USD, not adjusted for Kent. 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 Kent foundation repair companies
We scored 128 Kent 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 Kent 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 Kent: frequently asked questions
Who is the best foundation repair company in Kent?
By CR Score, the highest-ranked foundation repair company in Kent, WA is Valentine Roofing with a CR Score of 61/100. It has 4.8★ from 1,359 Google reviews. It is open 24/7. Expert Masonry and Foundation Repairs (#2) and Swift Masonry And Foundation Repair (#3) follow. We ranked 128 foundation repair companies on ten factors, last updated October 23, 2026.
How many foundation repair companies are there in Kent?
ContractorsRanked ranks 128 foundation repair companies serving Kent, WA. 4 of them are based in Kent; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Kent are open 24/7?
26 ranked foundation repair companies in Kent post 24/7 hours. The highest-ranked are Valentine Roofing (#1), Expert Masonry and Foundation Repairs (#2) and Swift Masonry 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 Kent work on weekends?
78 of 128 ranked foundation repair companies post Saturday hours and 50 post Sunday hours. The highest-ranked open Saturdays are Valentine Roofing (#1), Expert Masonry and Foundation Repairs (#2) and Swift Masonry And Foundation Repair (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Kent?
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 Kent. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Kent foundation repair companies have?
The median Google rating among 128 rated foundation repair companies in Kent is 5.0★, with a median of 19 reviews. Valentine Roofing has the most, 1,359 reviews, and ranks #1. 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 Kent count in this ranking?
Yes, if they are within 40 mi of the Kent 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 Kent
- October 2026: CR Scores recalculated for 128 foundation repair companies serving Kent.
More foundation repair companies and Kent pages
Foundation repair companies near Kent
- Foundation repair companies in East Hill-Meridian, WA132 ranked
- Foundation repair companies in Lakeland North, WA126 ranked
- Foundation repair companies in Des Moines, WA130 ranked
- Foundation repair companies in Lea Hill, WA124 ranked
- Foundation repair companies in Auburn, WA122 ranked
- Foundation repair companies in SeaTac, WA133 ranked
- Foundation repair companies in Federal Way, WA125 ranked
- Foundation repair companies in Covington, WA127 ranked
- Foundation repair companies in Fairwood, WA133 ranked
- Foundation repair companies in Normandy Park, WA134 ranked
Other trades in Kent
- Roofers in Kent1121 ranked
- Plumbers in Kent607 ranked
- Electricians in Kent551 ranked
- HVAC contractors in Kent511 ranked
- General contractors in Kent1350 ranked
- Painters in Kent369 ranked
- Landscapers in Kent298 ranked
- Handymen in Kent136 ranked
- Kitchen remodelers in Kent677 ranked
- Bathroom remodelers in Kent679 ranked
- Flooring contractors in Kent442 ranked
- Tile installers in Kent111 ranked
- Drywall contractors in Kent34 ranked
- Concrete contractors in Kent317 ranked
- Fence contractors in Kent300 ranked
- Deck builders in Kent419 ranked
- Siding contractors in Kent358 ranked
- Window installers in Kent362 ranked
- Gutter installers in Kent346 ranked
- Insulation contractors in Kent172 ranked
- Solar installers in Kent66 ranked
- Garage door repair companies in Kent245 ranked
- Tree services in Kent287 ranked
- Masonry contractors in Kent186 ranked
- Water damage restoration companies in Kent483 ranked
- Home builders in Kent614 ranked
- Demolition contractors in Kent121 ranked
- All contractors in Kent