101 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Hill: Valentine Roofing, CR Score 58/100; 4.8★ from 1,359 Google reviews; open 24/7.
Best for emergencies (open 24/7): NW Foundation & Basement, posts 24/7 hours; ranked #2 of 101.
Most-reviewed: Capitol Duct Cleaning, 814 Google reviews at 5.0★, the most of 101 ranked after Valentine Roofing; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
101 South Hill foundation repair companies are ranked here by CR Score, from ten published factors. 23 are open 24/7, 63 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 5.0★ across 101 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Valentine Roofing | 58 | 4.8★ (1,359) | Tukwila, 22 mi away | 24/7 | Overall |
| 2 | NW Foundation & Basement | 58 | 5.0★ (11) | Federal Way, 11 mi away | 24/7 | Emergencies |
| 3 | Expert Masonry and Foundation Repairs | 58 | 5.0★ (62) | Seattle, 33 mi away | 24/7 | — |
| 4 | Swift Masonry And Foundation Repair | 58 | 5.0★ (49) | Bellevue, 31 mi away | 24/7 | — |
| 5 | Seattle quality Waterproofing and foundation repair | 57 | 5.0★ (30) | Bellevue, 26 mi away | 24/7 | — |
| 6 | Capitol Duct Cleaning | 57 | 5.0★ (814) | Spanaway, 8 mi away | 24/7 | Most reviews |
| 7 | Seattle Elite masonry and foundation repair | 57 | 5.0★ (40) | Seattle, 33 mi away | 24/7 | — |
| 8 | KG Basement Waterproofing Seattle | 57 | 5.0★ (34) | Seattle, 32 mi away | 24/7 | — |
| 9 | Nice View Waterproofing & Construction, LLC | 56 | 4.6★ (22) | Auburn, 14 mi away | Sat · Sun · Evenings | — |
| 10 | Chumley Structural & Foundation Repair | 56 | 4.8★ (51) | Puyallup, 4 mi away | — | — |
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.
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews, the most in South Hill.
Based in Federal Way, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Seattle, 33 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Waterproofing service”.
Based in Bellevue, 31 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Foundation”.
Based in Bellevue, 26 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in Spanaway, 8 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 814 Google reviews.
Based in Seattle, 33 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Waterproofing service”.
Based in Seattle, 32 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Waterproofing service”.
Based in Auburn, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Waterproofing service”.
Based in Puyallup, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Foundation”.
Based in Seattle, 33 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Waterproofing service”.
Based in Bonney Lake, 31 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 58 Google reviews, listed on Google as “Waterproofing service”.
Based in Kent, 17 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based in Bainbridge Island, 33 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Waterproofing service”.
Based in Seattle, 33 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Waterproofing service”.
Based in Bainbridge Island, 33 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
Based in Seattle, 33 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Waterproofing service”.
Based in Puyallup, 2 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 96 Google reviews.
Based in SeaTac, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Foundation”.
Based in Sumner, 4 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based in Auburn, 14 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 71 Google reviews.
Based in Seattle, 33 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in Auburn, 38 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
Based in Renton, 22 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
Based in Federal Way, 15 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 39 Google reviews.
#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 101 ranked foundation repair companies here; the rest are on their profiles.
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 |
|---|---|---|
| APEX Specialty Coatings | 5.0★ (1) | 21 mi |
| Boulder Masonry, Llc | 5.0★ (1) | 9 mi |
| Dry Water Removal & Restoration | 3 mi | |
| Dry Water Removal & Restoration | 6 mi | |
| Dry Water Removal & Restorations | 12 mi | |
| Elite Concrete and Foundation LLC | 5.0★ (1) | 38 mi |
| Foundation Roof & Window Cleaning | 5.0★ (1) | 3 mi |
| Master EIFS | 5.0★ (2) | 22 mi |
| Miller Roof Maxx | 5 mi | |
| Premier Masonry & Waterproofing | 5.0★ (1) | 31 mi |
| R&R Foundation Specialist | 1.0★ (1) | 7 mi |
| Richie Foundation | 5.0★ (1) | 17 mi |
| Seatac Builders | 5.0★ (2) | 38 mi |
| Seattle Waterproofing and Masonry | 5.0★ (1) | 33 mi |
| Site Development Contractors | 6 mi | |
| sump pump heroes | 8 mi | |
| Verdant Visions Painting | 5.0★ (2) | 16 mi |
| Waterproofing Demolition | 12 mi | |
| Way to Drain | 15 mi | |
| Westbay Masonry and Construction | 5.0★ (2) | 33 mi |
National price ranges in USD, not adjusted for South Hill. 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 |
We scored 101 South Hill 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 South Hill 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 |