61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 216 Google reviews.
- 4.9★ from 216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7441 Anaconda Ave, Garden Grove, CA 92841
Best Foundation Repair Companies in Rossmoor, CA (2026)
238 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rossmoor: Professional Foundation Repair, CR Score 61/100; 4.9★ from 216 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Green Ladder Roofing and Waterproofing, posts 24/7 hours; ranked #2 of 238.
- 9
Most-reviewed: Saber, 1,011 Google reviews at 4.9★, the most of 238 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
238 Rossmoor foundation repair companies are ranked here by CR Score, from ten published factors. 32 are open 24/7, 153 open Saturdays and 92 open Sundays, based on posted hours. The median Google rating is 5.0★ across 238 rated businesses.
Top 10 foundation repair companies in Rossmoor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Professional Foundation Repair | 61 | 4.9★ (216) | Garden Grove, 5 mi away | 24/7 | Overall |
| 2 | Green Ladder Roofing and Waterproofing | 58 | 5.0★ (258) | Pasadena, 25 mi away | 24/7 | Emergencies |
| 3 | CBS Construction Services | 58 | 4.9★ (15) | Huntington Beach, 5 mi away | Sat · Sun · Evenings | — |
| 4 | Home Renew 360 Roofing I Construction I Energy | 58 | 4.8★ (705) | Long Beach, 8 mi away | Sat · Sun | — |
| 5 | Infinity Shower Pans | 58 | 5.0★ (17) | Whittier, 10 mi away | Sat · Sun · Evenings | — |
| 6 | Dalinghaus Foundation Repair | 56 | 5.0★ (53) | Irvine, 23 mi away | 24/7 | — |
| 7 | Robles Roofing and Waterproof | 56 | 5.0★ (15) | Huntington Beach, 8 mi away | 24/7 | — |
| 8 | Angelo's Shower Pans & Coatings | 56 | 5.0★ (15) | La Palma, 12 mi away | Sat | — |
| 9 | Saber | 55 | 4.9★ (1,011) | Paramount, 9 mi away | — | Most reviews |
| 10 | West Coast Decking & Waterproofing | 55 | 4.7★ (40) | Paramount, 8 mi away | — | — |
The 238 best foundation repair companies in Rossmoor, 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 Pasadena, 25 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 258 Google reviews.
- 5.0★ from 258 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 155 N Lake Ave Suite 800,874, Pasadena, CA 91101
Based in Huntington Beach, 5 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 15 Google reviews
- Hours
- Mon–Fri 6 AM–7 PM · Sat–Sun 8 AM–2 PM
- Address
- 15571 Producer Ln suite h, Huntington Beach, CA 92649
Based in Long Beach, 8 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 705 Google reviews.
- 4.8★ from 705 Google reviews
- Hours
- Mon–Sun 8:30 AM–5 PM
- Address
- 1500 W Carson St Suite 201, Long Beach, CA 90810
Based in Whittier, 10 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 14445 Tedford Dr, Whittier, CA 90604
Based in Irvine, 23 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9891 Irvine Center Dr, Irvine, CA 92618
Based in Huntington Beach, 8 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17551 Jefferson Ln Unit A, Huntington Beach, CA 92647
Based in La Palma, 12 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Sat 6 AM–5 PM · Sun closed
#9 Saber
Based in Paramount, 9 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 1,011 Google reviews, the most in Rossmoor.
- 4.9★ from 1,011 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 7301 Madison St, Paramount, CA 90723
Based in Paramount, 8 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 40 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 40 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 15960 Downey Ave Suite A, Paramount, CA 90723
Based in Carson, 12 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 44 Google reviews
- Hours
- Mon–Sun 8 AM–7:30 PM
Based in Signal Hill, 5 mi away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 165 Google reviews.
- 5.0★ from 165 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–3 PM · Sun closed
- Address
- 2815 Junipero Ave Suite 106, Signal Hill, CA 90755
#13 DK Shower Pans
Based in Norwalk, 8 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 10 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 14006 Gracebee Ave, Norwalk, CA 90650
Based in Beverly Hills, 25 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Irvine, 16 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 398 Google reviews.
- 4.8★ from 398 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 2649 Campus Dr, Irvine, CA 92612
Based in Los Angeles, 25 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 253 Google reviews.
- 5.0★ from 253 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun 8 AM–7 PM
- Address
- 7660 Beverly Blvd, Los Angeles, CA 90036
Based in Los Angeles, 18 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 231 N Record Ave, Los Angeles, CA 90063
#18 Horizon Roofing
Based in Irvine, 15 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 59 Google reviews.
- 4.8★ from 59 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2030 Main St # 1300, Irvine, CA 92614
#19 All Proof Decks
Based in Orange, 13 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 820 W Fletcher Ave, Orange, CA 92865
Based in Los Angeles, 37 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 44 Google reviews
- Hours
- Mon–Thu 6 AM–7 PM · Fri 6 AM–2 PM · Sat closed · Sun 7 AM–7 PM
- Address
- 7516 Valjean Ave, Los Angeles, CA 91406
#21 Pro-Seal Systems
Based in Glendora, 27 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Sun 8 AM–4 PM
- Address
- 307 S Vermont Ave # H, Glendora, CA 91741
Based in Burbank, 25 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 60 Google reviews
- Hours
- Mon–Sun 10 AM–6 PM
#23 Shower Pans
Based in La Mirada, 11 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 12014 Georgette Ave, La Mirada, CA 90638
Based in Irvine, 14 mi away
53/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
- 5.0★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18200 W McDurmott, Irvine, CA 92614
Based in Anaheim, 16 mi away
53/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 238 ranked foundation repair companies here; the rest are on their profiles.
Also serving Rossmoor
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) | 25 mi |
| A-Z Foundation Contractors | 5.0★ (2) | 6 mi |
| ACE Restoration & Waterproofing, Inc. | 5.0★ (2) | 14 mi |
| Bay Harbor Roofing & Waterproofing | 3.0★ (2) | 13 mi |
| Best Ever Waterproofing | 5.0★ (2) | 23 mi |
| Builders Trust Construction | 5.0★ (2) | 23 mi |
| CALIFORNIA ROOF COATINGS | 4.0★ (2) | 29 mi |
| Cis Roofing Waterproofing Solar | 5.0★ (2) | 30 mi |
| Dominguez Construction | 3.0★ (2) | 24 mi |
| EFP waterproofing | 5.0★ (2) | 6 mi |
| Firstchoice Foundation & Retrofitting Repair | 5.0★ (2) | 28 mi |
| Foundation Repair Experts | 5.0★ (2) | 30 mi |
| Freedom Chemical Corporation | 5.0★ (2) | 26 mi |
| Innovative Painting & Waterproofing | 5.0★ (2) | 14 mi |
| Slater Waterproofing Inc | 3.0★ (2) | 31 mi |
| Thomas Murray Waterproofing and Roofing | 4.5★ (2) | 12 mi |
| Washing Raccoons | 5.0★ (2) | 18 mi |
| Waterproofing and Roofing Solutions, Inc. | 5.0★ (2) | 26 mi |
| White Castle Construction | 5.0★ (2) | 26 mi |
| Zerik Scales | 5.0★ (2) | 21 mi |
How much do foundation repair companies cost in Rossmoor?
National price ranges in USD, not adjusted for Rossmoor. 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 Rossmoor foundation repair companies
We scored 238 Rossmoor 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 Rossmoor 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 Rossmoor: frequently asked questions
Who is the best foundation repair company in Rossmoor?
By CR Score, the highest-ranked foundation repair company in Rossmoor, CA is Professional Foundation Repair with a CR Score of 61/100. It has 4.9★ from 216 Google reviews. It is open 24/7. Green Ladder Roofing and Waterproofing (#2) and CBS Construction Services (#3) follow. We ranked 238 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Rossmoor?
ContractorsRanked ranks 238 foundation repair companies serving Rossmoor, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Rossmoor are open 24/7?
32 ranked foundation repair companies in Rossmoor post 24/7 hours. The highest-ranked are Professional Foundation Repair (#1), Green Ladder Roofing and Waterproofing (#2) and Dalinghaus Foundation Repair (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Rossmoor work on weekends?
153 of 238 ranked foundation repair companies post Saturday hours and 92 post Sunday hours. The highest-ranked open Saturdays are Professional Foundation Repair (#1), Green Ladder Roofing and Waterproofing (#2) and CBS Construction Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Rossmoor?
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 Rossmoor. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rossmoor foundation repair companies have?
The median Google rating among 238 rated foundation repair companies in Rossmoor is 5.0★, with a median of 16 reviews. Saber has the most, 1,011 reviews, and ranks #9. 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 Rossmoor count in this ranking?
Yes, if they are within 40 mi of the Rossmoor 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 Rossmoor
- October 2026: CR Scores recalculated for 238 foundation repair companies serving Rossmoor.
- October 2026: 2 duplicate listings merged.
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