59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most in Foster City.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Best Foundation Repair Companies in Foster City, CA (2026)
123 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Foster City: Attic Pros, CR Score 59/100; 4.8★ from 1,938 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Roof Doctors Alameda County, posts 24/7 hours; ranked #3 of 123.
- 9
Most-reviewed: Peace of Mind Structural, 225 Google reviews at 4.9★, the most of 123 ranked after Attic Pros; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
123 Foster City foundation repair companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 60 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.8★ across 123 rated businesses.
Top 10 foundation repair companies in Foster City at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 59 | 4.8★ (1,938) | Oakland, 13 mi away | 24/7 | Overall |
| 2 | ELM Roofing Contractors | 56 | 4.9★ (153) | San Mateo, 1 mi away | Sat · Sun | — |
| 3 | Roof Doctors Alameda County | 55 | 5.0★ (87) | Alameda, 15 mi away | 24/7 | Emergencies |
| 4 | Palo Alto Foundation & Concrete Contractors | 54 | 4.8★ (51) | Palo Alto, 12 mi away | Sat · Sun · Evenings | — |
| 5 | Golden Bay Foundation Builders | 54 | 4.9★ (62) | Alamo, 6 mi away | Sat | — |
| 6 | AGH Commercial Inc. | 54 | 4.9★ (47) | San Mateo, 2 mi away | Sat · Sun | — |
| 7 | Roof Doctors Contra Costa County | 53 | 4.8★ (188) | Alamo, 28 mi away | 24/7 | — |
| 8 | ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco | 53 | 4.9★ (98) | San Francisco, 14 mi away | 24/7 | — |
| 9 | Peace of Mind Structural | 53 | 4.9★ (225) | San Mateo, 2 mi away | — | Most reviews |
| 10 | Groundworks | 52 | 4.6★ (162) | Sunnyvale, 18 mi away | Sat · Sun · Evenings | — |
The 123 best foundation repair companies in Foster City, 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 San Mateo, 1 mi away
56/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 153 Google reviews.
- 4.9★ from 153 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 1900 S Norfolk St #394, San Mateo, CA 94403
Based in Alameda, 15 mi away
55/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Palo Alto, 12 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Concrete contractor”.
- 4.8★ from 51 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 6:30 AM–7 PM · Sun 7 AM–8 PM
- Address
- 260 Sheridan Ave, Palo Alto, CA 94306
Based in Alamo, 6 mi away
54/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 62 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in San Mateo, 2 mi away
54/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 47 Google reviews.
- 4.9★ from 47 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 1103 E 16th Ave, San Mateo, CA 94402
Based in Alamo, 28 mi away
53/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 188 Google reviews.
- 4.8★ from 188 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Francisco, 14 mi away
53/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 98 Google reviews.
- 4.9★ from 98 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1485 Bayshore Blvd 182 suite 418, San Francisco, CA 94124
Based in San Mateo, 2 mi away
53/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 225 Google reviews.
- 4.9★ from 225 Google reviews
- Hours
- Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
- Address
- 180 South Blvd, San Mateo, CA 94402
#10 Groundworks
Based in Sunnyvale, 18 mi away
52/100CR ScoreRanked #10 because of its Google rating and review volume: 4.6★ from 162 Google reviews.
- 4.6★ from 162 Google reviews
- Hours
- Mon–Fri 4 AM–8 PM · Sat 5 AM–8 PM · Sun 7 AM–8 PM
- Address
- 1161 N Fair Oaks Ave, Sunnyvale, CA 94089
#11 Attic Pros
Based in Redwood City, 3 mi away
52/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 303 Twin Dolphin Dr, Redwood City, CA 94065
#12 EM Energy & Air
Based in Campbell, 23 mi away
52/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 101 Google reviews.
- 4.9★ from 101 Google reviews
- Hours
- Mon–Sun 8 AM–7 PM
Based in Oakland, 13 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 10 Google reviews
- Hours
- Mon–Fri 6 AM–3 PM · Sat–Sun closed
- Address
- 465 Roland Way, Oakland, CA 94621
Based in San Leandro, 12 mi away
52/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 17 Google reviews, open 24/7.
- 4.8★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 466 Whitney St, San Leandro, CA 94577
Based in Dublin, 24 mi away
51/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hayward, 11 mi away
51/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 83 Google reviews.
- 4.8★ from 83 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–1 PM · Sun closed
- Address
- 23135 Saklan Rd, Hayward, CA 94545
Based in Santa Clara, 21 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Roofing contractor”.
- 4.6★ from 22 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 1295 Norman Ave, Santa Clara, CA 95054
Based in San Jose, 26 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 172 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1418 Douglas St, San Jose, CA 95126
#19 Geico Builders
Based in Oakland, 17 mi away
51/100CR ScoreRanked #19 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
- 5.0★ from 87 Google reviews
- Hours
- Mon–Fri 9 AM–7 PM · Sat closed · Sun 9 AM–6 PM
- Address
- 1901 Harrison St Ste 1100, Oakland, CA 94612
#20 Gatana
Based in Pacifica, 13 mi away
51/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 134 Google reviews.
- 5.0★ from 134 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1091 Palmetto Ave, Pacifica, CA 94044
Based in San Francisco, 19 mi away
51/100CR ScoreRanked #21 because of its Google rating and availability: 4.7★ from 19 Google reviews, open 24/7.
- 4.7★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3736 Geary Blvd, San Francisco, CA 94118
Based in Milpitas, 23 mi away
51/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 45 Google reviews.
- 5.0★ from 45 Google reviews
- Hours
- Mon–Sat 8 AM–7 PM · Sun 8 AM–5 PM
- Address
- 1605 S Main St #108, Milpitas, CA 95035
Based in San Jose, 24 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Roofing contractor”.
- 4.7★ from 18 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1430 Koll Cir #107, San Jose, CA 95112
Based in Fremont, 17 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
- 4.0★ from 8 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in South San Francisco, 10 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Siding contractor”.
- 4.7★ from 17 Google reviews
- Hours
- Mon–Thu 5 AM–9:30 PM · Fri 5 AM–4:30 PM · Sat 7 AM–7 PM · Sun 9 AM–5 PM
- Address
- 319 S Maple Ave, South San Francisco, CA 94080
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 123 ranked foundation repair companies here; the rest are on their profiles.
Also serving Foster City
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 |
|---|---|---|
| A&J Quality General Construction Services | 5.0★ (2) | 26 mi |
| AAA Roofing and Waterproofing, LLC. | 5.0★ (2) | 18 mi |
| Baron Contracting | 5.0★ (2) | In Foster City |
| Cal Cade Construction | 5.0★ (2) | 17 mi |
| D L C CONCRETE | 5.0★ (2) | 13 mi |
| Detail Construction & Waterproofing, Inc | 5.0★ (2) | 28 mi |
| Elite Roofing & Waterproofing | 3.0★ (2) | 17 mi |
| Golden Gate Termite & Construction | 5.0★ (2) | 29 mi |
| Heldy Andrade Painting Inc. | 5.0★ (2) | 5 mi |
| KH Waterproofing And Restoration | 5.0★ (2) | 19 mi |
| LCI Green Contractor Inc | 5.0★ (2) | 38 mi |
| Lone Mountain Homes Inc | 5.0★ (2) | 18 mi |
| Mt Diablo Flooring Systems Inc | 5.0★ (2) | 38 mi |
| Nor Cal Waterproofing | 5.0★ (2) | 40 mi |
| Panda Heating & Cooling | 3.5★ (2) | 13 mi |
| Soodo Construction | 5.0★ (2) | 19 mi |
| The Restoration & Waterproofing Co., Inc. | 5.0★ (2) | 19 mi |
| UFcastro painting and waterproofing | 5.0★ (2) | 14 mi |
| Windsor Waterproofing | 5.0★ (2) | 24 mi |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 33 mi |
How much do foundation repair companies cost in Foster City?
National price ranges in USD, not adjusted for Foster City. 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 Foster City foundation repair companies
We scored 123 Foster City 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 Foster City 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 Foster City: frequently asked questions
Who is the best foundation repair company in Foster City?
By CR Score, the highest-ranked foundation repair company in Foster City, CA is Attic Pros with a CR Score of 59/100. It has 4.8★ from 1,938 Google reviews. It is open 24/7. ELM Roofing Contractors (#2) and Roof Doctors Alameda County (#3) follow. We ranked 123 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Foster City?
ContractorsRanked ranks 123 foundation repair companies serving Foster City, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Foster City are open 24/7?
11 ranked foundation repair companies in Foster City post 24/7 hours. The highest-ranked are Attic Pros (#1), Roof Doctors Alameda County (#3) and Roof Doctors Contra Costa County (#7). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Foster City work on weekends?
60 of 123 ranked foundation repair companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are Attic Pros (#1), ELM Roofing Contractors (#2) and Roof Doctors Alameda County (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Foster City?
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 Foster City. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Foster City foundation repair companies have?
The median Google rating among 123 rated foundation repair companies in Foster City is 4.8★, with a median of 14 reviews. Attic Pros has the most, 1,938 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 Foster City count in this ranking?
Yes, if they are within 40 mi of the Foster City 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 Foster City
- October 2026: CR Scores recalculated for 123 foundation repair companies serving Foster City.
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