87/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 258 Google reviews, open 24/7.
- 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
Best Foundation Repair Companies in Carson, CA (2026)
235 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Carson: Green Ladder Roofing and Waterproofing, CR Score 87/100; 5.0★ from 258 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Professional Foundation Repair, posts 24/7 hours; ranked #2 of 235.
- 39
Most-reviewed: Saber, 1,011 Google reviews at 4.9★, the most of 235 ranked; ranked #39.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
235 Carson foundation repair companies are ranked here by CR Score, from 8 published factors. 32 are open 24/7, 151 open Saturdays and 101 open Sundays, based on posted hours. The median Google rating is 5.0★ across 235 rated businesses.
Top 10 foundation repair companies in Carson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Green Ladder Roofing and Waterproofing | 87 | 5.0★ (258) | Pasadena, 24 mi away | 24/7 | Overall |
| 2 | Professional Foundation Repair | 87 | 4.9★ (216) | Garden Grove, 16 mi away | 24/7 | Emergencies |
| 3 | Home Renew 360 Roofing I Construction I Energy | 84 | 4.8★ (705) | Long Beach, 4 mi away | Sat · Sun | — |
| 4 | LA Foundation Repair Los Angeles | 84 | 5.0★ (34) | Beverly Hills, 15 mi away | 24/7 | — |
| 5 | Infinity Shower Pans | 83 | 5.0★ (17) | Whittier, 16 mi away | Sat · Sun · Evenings | — |
| 6 | Watershield Roofing Co | 82 | 5.0★ (24) | Florence-Graham, 3 mi away | 24/7 | — |
| 7 | CBS Construction Services | 82 | 4.9★ (15) | Huntington Beach, 16 mi away | Sat · Sun · Evenings | — |
| 8 | Foundation Installation | 82 | 4.8★ (62) | Encino, 28 mi away | 24/7 | — |
| 9 | Concrete Foundation Inglewood | 82 | 4.9★ (44) | Carson | Sat · Sun · Evenings | — |
| 10 | Green Advisor Inc. | 82 | 5.0★ (253) | Los Angeles, 17 mi away | Sat · Sun · Evenings | — |
The 235 best foundation repair companies in Carson, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Garden Grove, 16 mi away
87/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 216 Google reviews, open 24/7.
- 4.9★ from 216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7441 Anaconda Ave, Garden Grove, CA 92841
Based in Long Beach, 4 mi away
84/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 705 Google reviews, 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 Beverly Hills, 15 mi away
84/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Whittier, 16 mi away
83/100CR 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 Florence-Graham, 3 mi away
82/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Huntington Beach, 16 mi away
82/100CR ScoreRanked #7 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 Encino, 28 mi away
82/100CR ScoreRanked #8 because of its Google rating and availability: 4.8★ from 62 Google reviews, open 24/7.
- 4.8★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18740 Ventura Blvd, Tarzana, CA 91356
Based in Carson
82/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 44 Google reviews, open 7 days a week.
- 4.9★ from 44 Google reviews
- Hours
- Mon–Sun 8 AM–7:30 PM
Based in Los Angeles, 17 mi away
82/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 253 Google reviews, 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, 15 mi away
81/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 73 Google reviews, open 24/7.
- 4.8★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3520 Overland Ave #A29, Los Angeles, CA 90034
Based in Irvine, 35 mi away
81/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
- 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 Van Nuys, 26 mi away
81/100CR ScoreRanked #13 because of its Google rating and availability: 4.7★ from 55 Google reviews, open 24/7.
- 4.7★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14349 Victory Blvd, Van Nuys, CA 91401
Based in Huntington Beach, 19 mi away
81/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 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, 3 mi away
81/100CR ScoreRanked #15 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
Based in Los Angeles, 15 mi away
81/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 231 N Record Ave, Los Angeles, CA 90063
Based in Los Angeles, 18 mi away
80/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8322 Beverly Blvd #301, Los Angeles, CA 90048
Based in Bellflower, 10 mi away
80/100CR ScoreRanked #18 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
- 4.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9508 Darnell St, Bellflower, CA 90706
Based in Burbank, 15 mi away
79/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 60 Google reviews, open 7 days a week.
- 4.9★ from 60 Google reviews
- Hours
- Mon–Sun 10 AM–6 PM
Based in Canoga Park, 31 mi away
79/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 55 Google reviews
- Hours
- Mon–Thu 6 AM–7 PM · Fri 6 AM–2 PM · Sat closed · Sun 7 AM–7 PM
- Address
- 21304 Hart St, Canoga Park, CA 91303
Based in Los Angeles, 29 mi away
79/100CR ScoreRanked #21 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
#22 Horizon Roofing
Based in Irvine, 27 mi away
79/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 59 Google reviews, open 24/7.
- 4.8★ from 59 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2030 Main St # 1300, Irvine, CA 92614
Based in Los Angeles, 20 mi away
79/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 100 Google reviews, open 7 days a week.
- 5.0★ from 100 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 3108 Glendale Blvd, Los Angeles, CA 90039
Based in Sherman Oaks, 25 mi away
79/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 48 Google reviews, open 24/7.
- 4.8★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15207 Hesby St, Sherman Oaks, CA 91403
Based in Signal Hill, 7 mi away
79/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 165 Google reviews, 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
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 235 ranked foundation repair companies here; the rest are on their profiles.
Also serving Carson
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 |
|---|---|---|
| 4 Seasons Concrete Inc | 4.7★ (19) | In Carson |
| A1 All American Roofing | 4.7★ (78) | In Carson |
| AAA Concreting | 5.0★ (17) | In Carson |
| All City Animal Trapping | 4.9★ (732) | In Carson |
| Bay Cities Paving Inc | 5.0★ (28) | In Carson |
| Carson Roofing Services | 3.7★ (7) | In Carson |
| Drain with Trenchless | 5.0★ (31) | In Carson |
| Gali Construction | 5.0★ (8) | In Carson |
| Hoadley Construction | 5.0★ (9) | In Carson |
| LAX Concrete Contractors | 5.0★ (7) | In Carson |
| ONE STOP BUILDING & RENOVATION INC. | 4.5★ (8) | In Carson |
| PANALI EB CONSTRUCTION INC. | 5.0★ (9) | In Carson |
| Plumberland Plumber Wilmington | 4.8★ (23) | In Carson |
| PRC Inc. | 4.6★ (312) | In Carson |
| ReBuilt | 4.9★ (28) | In Carson |
| Red Apple Air Conditioning | 4.9★ (107) | In Carson |
| Rhino Concrete Services | 5.0★ (21) | In Carson |
| Sewer Pros | 4.9★ (110) | In Carson |
| SuperGreen Insulation | 5.0★ (23) | In Carson |
| WestCoast Concrete Services | 5.0★ (22) | In Carson |
How much do foundation repair companies cost in Carson?
National price ranges in USD, not adjusted for Carson. 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 Carson foundation repair companies
We scored 235 Carson foundation repair companies on 8 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. Unknown factors are left out of the score, 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 Carson data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Foundation repair companies in Carson: frequently asked questions
Who is the best foundation repair company in Carson?
By CR Score, the highest-ranked foundation repair company in Carson, CA is Green Ladder Roofing and Waterproofing with a CR Score of 87/100. It has 5.0★ from 258 Google reviews. It is open 24/7. Professional Foundation Repair (#2) and Home Renew 360 Roofing I Construction I Energy (#3) follow. We ranked 235 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Carson?
ContractorsRanked ranks 235 foundation repair companies serving Carson, CA. 1 of them is based in Carson; 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 Carson are open 24/7?
32 ranked foundation repair companies in Carson post 24/7 hours. The highest-ranked are Green Ladder Roofing and Waterproofing (#1), Professional Foundation Repair (#2) and LA Foundation Repair Los Angeles (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Carson work on weekends?
151 of 235 ranked foundation repair companies post Saturday hours and 101 post Sunday hours. The highest-ranked open Saturdays are Green Ladder Roofing and Waterproofing (#1), Professional Foundation Repair (#2) and Home Renew 360 Roofing I Construction I Energy (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Carson?
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 Carson. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Carson foundation repair companies have?
The median Google rating among 235 rated foundation repair companies in Carson is 5.0★, with a median of 15 reviews. Saber has the most, 1,011 reviews, and ranks #39. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Carson count in this ranking?
Yes, if they are within 40 mi of the Carson 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 Carson
- October 2026: CR Scores recalculated for 235 foundation repair companies serving Carson.
- October 2026: 1 duplicate listing merged.
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