186 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Topanga: Surfacing And Waterproofing, CR Score 59/100; 5.0★ from 55 Google reviews; open Sundays until 7 PM.
Best for emergencies (open 24/7): Green Ladder Roofing and Waterproofing, posts 24/7 hours; ranked #2 of 186.
Most-reviewed: Saber, 1,011 Google reviews at 4.9★, the most of 186 ranked; ranked #42.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
186 Topanga foundation repair companies are ranked here by CR Score, from ten published factors. 23 are open 24/7, 124 open Saturdays and 84 open Sundays, based on posted hours. The median Google rating is 5.0★ across 186 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Surfacing And Waterproofing | 59 | 5.0★ (55) | Canoga Park, 7 mi away | Sun · Evenings | Overall |
| 2 | Green Ladder Roofing and Waterproofing | 58 | 5.0★ (258) | Pasadena, 27 mi away | 24/7 | Emergencies |
| 3 | Waterproofing N Roofing - IHC Group | 58 | 5.0★ (44) | Los Angeles, 10 mi away | Sun · Evenings | — |
| 4 | Foundation Installation | 58 | 4.8★ (62) | Encino, 6 mi away | 24/7 | — |
| 5 | Solid Foundations Concrete | 57 | 4.7★ (55) | Van Nuys, 11 mi away | 24/7 | — |
| 6 | Sunshine Foundation Repairs | 57 | 5.0★ (420) | Northridge, 10 mi away | — | — |
| 7 | LA Foundation Repair Los Angeles | 57 | 5.0★ (34) | Beverly Hills, 12 mi away | 24/7 | — |
| 8 | Green Advisor Inc. | 56 | 5.0★ (253) | Los Angeles, 14 mi away | Sat · Sun · Evenings | — |
| 9 | Golden Retrofit & Foundation Repair | 56 | 5.0★ (269) | Van Nuys, 10 mi away | — | — |
| 10 | Concrete & Foundation Repair | 56 | 4.9★ (60) | Burbank, 12 mi away | Sat · Sun | — |
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 trade focus: 5.0★ from 55 Google reviews, listed on Google as “Waterproofing service”.
Based in Pasadena, 27 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 258 Google reviews.
Based in Los Angeles, 10 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Waterproofing service”.
Based in Encino, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “General contractor”.
Based in Van Nuys, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 55 Google reviews, listed on Google as “General contractor”.
Based in Northridge, 10 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 420 Google reviews.
Based in Beverly Hills, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “General contractor”.
Based in Los Angeles, 14 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 253 Google reviews.
Based in Van Nuys, 10 mi away
Ranked #9 because of its Google rating and review volume: 5.0★ from 269 Google reviews.
Based in Burbank, 12 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Concrete contractor”.
Based in Burbank, 15 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “Waterproofing service”.
Based in Canoga Park, 8 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in Sherman Oaks, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 112 Google reviews, listed on Google as “Construction company”.
Based in Los Angeles, 12 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 73 Google reviews.
Based in Sherman Oaks, 9 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 48 Google reviews.
Based in Long Beach, 29 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 705 Google reviews.
Based in Woodland Hills, 6 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 53 Google reviews.
Based in Studio City, 14 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based in Van Nuys, 9 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
Based in Burbank, 17 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 251 Google reviews.
Based in Whittier, 35 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Westlake Village, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based in Sunland, 20 mi away
Ranked #23 because of its Google rating and review volume: 4.8★ from 194 Google reviews.
Based in Los Angeles, 20 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 100 Google reviews.
Based in Santa Monica, 7 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Deck builder”.
#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 186 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 |
|---|---|---|
| 2Gun Roofing & Waterproofing | 5.0★ (2) | 12 mi |
| A-Z Foundation Contractors | 5.0★ (2) | 32 mi |
| All Seasons Foundation Repair | 5.0★ (2) | 15 mi |
| Bay Harbor Roofing & Waterproofing | 3.0★ (2) | 31 mi |
| Builders Trust Construction | 5.0★ (2) | 15 mi |
| Channel Islands Roofing Inc | 5.0★ (2) | 34 mi |
| Cis Roofing Waterproofing Solar | 5.0★ (2) | 26 mi |
| Coast Construction & Foundation Repair | 5.0★ (2) | 25 mi |
| EFP waterproofing | 5.0★ (2) | 32 mi |
| Firstchoice Foundation & Retrofitting Repair | 5.0★ (2) | 9 mi |
| Foundation Repair Experts | 5.0★ (2) | 6 mi |
| JLemos Builders | 5.0★ (2) | 5 mi |
| LA Deck and Balcony | 5.0★ (2) | 17 mi |
| Labor of Love Home Repair and Remodel | 3.8★ (4) | In Topanga |
| Mark Friendship Construction | 5.0★ (2) | In Topanga |
| Thomas Murray Waterproofing and Roofing | 4.5★ (2) | 31 mi |
| Washing Raccoons | 5.0★ (2) | 21 mi |
| Waterproofing and Roofing Solutions, Inc. | 5.0★ (2) | 11 mi |
| White Castle Construction | 5.0★ (2) | 15 mi |
| Zerik Scales | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Topanga. 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 186 Topanga 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 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 Topanga 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 |