56/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 208 Google reviews.
- 4.9★ from 208 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 822 Joshua Dr, Windsor, CA 95492
Best Foundation Repair Companies in Petaluma, CA (2026)
77 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Petaluma: Roof Doctors Sonoma County, CR Score 56/100; 4.9★ from 208 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Sustainable Living Builders, Inc, posts 24/7 hours; ranked #2 of 77.
- 4
Most-reviewed: Groundworks, 575 Google reviews at 4.8★, the most of 77 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
77 Petaluma foundation repair companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 38 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.8★ across 77 rated businesses.
Top 10 foundation repair companies in Petaluma at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roof Doctors Sonoma County | 56 | 4.9★ (208) | Windsor, 23 mi away | 24/7 | Overall |
| 2 | Sustainable Living Builders, Inc | 56 | 4.9★ (84) | Sebastopol, 11 mi away | 24/7 | Emergencies |
| 3 | Modern Summit Roofing Contractor | 55 | 5.0★ (47) | Petaluma | Sat · Sun · Evenings | — |
| 4 | Groundworks | 55 | 4.8★ (575) | Fairfield, 31 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Under The House. | 54 | 5.0★ (62) | Santa Rosa, 16 mi away | Sat · Sun · Evenings | — |
| 6 | Roof Doctors Marin County | 53 | 4.6★ (40) | Fairfax, 17 mi away | 24/7 | — |
| 7 | Division Seven | 52 | 3.0★ (4) | Petaluma | — | — |
| 8 | Gotham Home Services | 52 | 5.0★ (33) | Dublin, 27 mi away | 24/7 | — |
| 9 | Crandall Roofing, Inc. | 52 | 4.9★ (117) | Santa Rosa, 12 mi away | — | — |
| 10 | Bay Area Moisture Control | 51 | 4.2★ (5) | Novato, 12 mi away | — | — |
The 77 best foundation repair companies in Petaluma, 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 Sebastopol, 11 mi away
56/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 84 Google reviews.
- 4.9★ from 84 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4399 Gravenstein Hwy S, Sebastopol, CA 95472
Based in Petaluma
55/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 47 Google reviews.
- 5.0★ from 47 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
#4 Groundworks
Based in Fairfield, 31 mi away
55/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 575 Google reviews, the most in Petaluma.
- 4.8★ from 575 Google reviews
- Hours
- Mon–Fri 4 AM–8 PM · Sat 5 AM–8 PM · Sun 7 AM–8 PM
- Address
- 2333 Courage Dr STE C, Fairfield, CA 94533
Based in Santa Rosa, 16 mi away
54/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 62 Google reviews.
- 5.0★ from 62 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1133 Piner Creek Dr, Santa Rosa, CA 95401
Based in Fairfax, 17 mi away
53/100CR ScoreRanked #6 because of its Google rating and review volume: 4.6★ from 40 Google reviews.
- 4.6★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Petaluma
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
- 3.0★ from 4 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 22 Lakeville St, Petaluma, CA 94952
Based in Dublin, 27 mi away
52/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 33 Google reviews.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Santa Rosa, 12 mi away
52/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 117 Google reviews.
- 4.9★ from 117 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 183 Oceanic Way, Santa Rosa, CA 95407
Based in Novato, 12 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Waterproofing service”.
- 4.2★ from 5 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 67 Galli Dr Suite C, Novato, CA 94949
Based in San Francisco, 37 mi away
51/100CR ScoreRanked #11 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 Santa Rosa, 14 mi away
51/100CR ScoreRanked #12 because of its Google rating and review volume: 4.5★ from 27 Google reviews.
- 4.5★ from 27 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 111 Knolls Ln, Santa Rosa, CA 95404
Based in Cotati, 8 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
Based in Richmond, 25 mi away
50/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 29 Google reviews.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–3 PM · Sun 9 AM–3 PM
- Address
- 2124 Hellings Ave, Richmond, CA 94801
Based in Santa Rosa, 13 mi away
50/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 57 Google reviews.
- 5.0★ from 57 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 3100 Dutton Ave Ste. 142E, Santa Rosa, CA 95407
#16 Aleman Concrete
Based in Santa Rosa, 16 mi away
50/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 27 Google reviews.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Sat 6 AM–6:30 PM · Sun closed
- Address
- 5023 Algiers Ave, Santa Rosa, CA 95409
#17 Geico Builders
Based in Oakland, 36 mi away
50/100CR ScoreRanked #17 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
Based in Pleasant Hill, 38 mi away
50/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Concrete contractor”.
- 4.7★ from 48 Google reviews
- Hours
- Mon–Thu 5 AM–9:30 PM · Fri 5 AM–4:30 PM · Sat closed · Sun 5 AM–9:30 PM
- Address
- 3478 Buskirk Ave, Pleasant Hill, CA 94523
Based in Petaluma
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Roofing contractor”.
- 4.6★ from 7 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in San Francisco, 33 mi away
49/100CR ScoreRanked #20 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 Windsor, 24 mi away
49/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 9472 Wellington Cir, Windsor, CA 95492
Based in Oakland, 36 mi away
48/100CR ScoreRanked #22 because of its Google rating and review volume: 4.8★ from 68 Google reviews.
- 4.8★ from 68 Google reviews
- Hours
- Mon–Fri 5 AM–9:30 PM · Sat closed · Sun 5 AM–9:30 PM
- Address
- 330 2nd St, Oakland, CA 94607
Based in San Rafael, 19 mi away
48/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 710 C St 202, Suite 202, San Rafael, CA 94901
Based in Walnut Creek, 38 mi away
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1990 N California Blvd 8th Floor #1270, Walnut Creek, CA 94596
Based in San Francisco, 32 mi away
48/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Stucco contractor”.
- 5.0★ from 16 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 1937 Lombard St Unit A, San Francisco, CA 94123
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 77 ranked foundation repair companies here; the rest are on their profiles.
Also serving Petaluma
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 |
| A2C Construction Inc. | 5.0★ (9) | In Petaluma |
| Bartkus Remodel | 5.0★ (36) | In Petaluma |
| Bedrock Concrete Construction, Inc. | 4.9★ (36) | In Petaluma |
| Certified Specialists, Inc. | 5.0★ (2) | 13 mi |
| Critical Control - service | 4.8★ (78) | In Petaluma |
| Eben Ezer Construction | In Petaluma | |
| Edmisten Construction | In Petaluma | |
| Fogbelt Construction | 5.0★ (4) | In Petaluma |
| Geary Construction | 5.0★ (1) | In Petaluma |
| Gillis Construction | 5.0★ (1) | In Petaluma |
| Giovacchini Construction | 5.0★ (4) | In Petaluma |
| Marr B. Olsen Inc Concrete Contractor | 4.2★ (11) | In Petaluma |
| MARTIN CONSTRUCTION | In Petaluma | |
| Myers Home Services | In Petaluma | |
| Sonoma - Marin Construction | 4.9★ (7) | In Petaluma |
| Sonoma Coast Construction | In Petaluma | |
| Travis Carter Construction Services | 5.0★ (1) | In Petaluma |
| West Coast Construction | 4.3★ (6) | In Petaluma |
| Wilo Construction Co | 5.0★ (1) | In Petaluma |
How much do foundation repair companies cost in Petaluma?
National price ranges in USD, not adjusted for Petaluma. 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 Petaluma foundation repair companies
We scored 77 Petaluma 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 Petaluma 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 Petaluma: frequently asked questions
Who is the best foundation repair company in Petaluma?
By CR Score, the highest-ranked foundation repair company in Petaluma, CA is Roof Doctors Sonoma County with a CR Score of 56/100. It has 4.9★ from 208 Google reviews. It is open 24/7. Sustainable Living Builders, Inc (#2) and Modern Summit Roofing Contractor (#3) follow. We ranked 77 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Petaluma?
ContractorsRanked ranks 77 foundation repair companies serving Petaluma, CA. 4 of them are based in Petaluma; 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 Petaluma are open 24/7?
8 ranked foundation repair companies in Petaluma post 24/7 hours. The highest-ranked are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Roof Doctors Marin County (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Petaluma work on weekends?
38 of 77 ranked foundation repair companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Modern Summit Roofing Contractor (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Petaluma?
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 Petaluma. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Petaluma foundation repair companies have?
The median Google rating among 77 rated foundation repair companies in Petaluma is 4.8★, with a median of 14 reviews. Groundworks has the most, 575 reviews, and ranks #4. 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 Petaluma count in this ranking?
Yes, if they are within 40 mi of the Petaluma 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 Petaluma
- October 2026: CR Scores recalculated for 77 foundation repair companies serving Petaluma.
More foundation repair companies and Petaluma pages
Foundation repair companies near Petaluma
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