59/100CR 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 Santa Rosa, CA (2026)
30 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Santa Rosa: Roof Doctors Sonoma County, CR Score 59/100; 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 30.
- 5
Most-reviewed: Groundworks, 575 Google reviews at 4.8★, the most of 30 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Santa Rosa foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 14 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 30 rated businesses.
Top 10 foundation repair companies in Santa Rosa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roof Doctors Sonoma County | 59 | 4.9★ (208) | Windsor, 9 mi away | 24/7 | Overall |
| 2 | Sustainable Living Builders, Inc | 57 | 4.9★ (84) | Sebastopol, 6 mi away | 24/7 | Emergencies |
| 3 | Under The House. | 56 | 5.0★ (62) | Santa Rosa | Sat · Sun · Evenings | — |
| 4 | Modern Summit Roofing Contractor | 55 | 5.0★ (47) | Petaluma, 6 mi away | Sat · Sun · Evenings | — |
| 5 | Groundworks | 54 | 4.8★ (575) | Fairfield, 38 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Crandall Roofing, Inc. | 53 | 4.9★ (117) | Santa Rosa | — | — |
| 7 | Rich’s Mobile Home Service | 53 | 4.5★ (27) | Santa Rosa | Sat · Sun · Evenings | — |
| 8 | Aleman Concrete | 53 | 5.0★ (27) | Santa Rosa | Sat · Evenings | — |
| 9 | Clean CrawlSpace Inc. | 52 | 5.0★ (57) | Santa Rosa | — | — |
| 10 | Xalos Foundation Support | 52 | 5.0★ (27) | Windsor, 10 mi away | — | — |
The 30 best foundation repair companies in Santa Rosa, 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, 6 mi away
57/100CR 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 Santa Rosa
56/100CR ScoreRanked #3 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 Petaluma, 6 mi away
55/100CR ScoreRanked #4 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
#5 Groundworks
Based in Fairfield, 38 mi away
54/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 575 Google reviews, the most in Santa Rosa.
- 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
53/100CR ScoreRanked #6 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 Santa Rosa
53/100CR ScoreRanked #7 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 Santa Rosa
53/100CR ScoreRanked #8 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
Based in Santa Rosa
52/100CR ScoreRanked #9 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
Based in Windsor, 10 mi away
52/100CR ScoreRanked #10 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 Cotati, 7 mi away
51/100CR ScoreRanked #11 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 Fairfax, 32 mi away
51/100CR ScoreRanked #12 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 Santa Rosa
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Sat 6 AM–5 PM · Sun closed
- Address
- 172 Leisure Park Cir, Santa Rosa, CA 95401
#14 Division Seven
Based in Petaluma, 14 mi away
50/100CR ScoreRanked #14 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 Novato, 27 mi away
49/100CR ScoreRanked #15 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 Santa Rosa
49/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “General contractor”.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 10 AM–2 PM · Sun closed
- Address
- 717 Blair Pl, Santa Rosa, CA 95401
Based in Richmond, 39 mi away
48/100CR ScoreRanked #17 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
48/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Roofing contractor”.
- 4.1★ from 9 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 2989 Wiljan Ct Suite B, Santa Rosa, CA 95407
Based in Petaluma, 16 mi away
47/100CR 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 Benicia, 27 mi away
47/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.1★ from 31 Google reviews, listed on Google as “Concrete contractor”.
- 4.1★ from 31 Google reviews
- Hours
- Mon–Thu 8 AM–5 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
Based in San Rafael, 34 mi away
46/100CR ScoreRanked #21 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 San Rafael, 36 mi away
46/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 41 Google reviews.
- 4.9★ from 41 Google reviews
- Hours
- Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
- Address
- 1201 Andersen Dr STE O, San Rafael, CA 94901
Based in San Rafael, 31 mi away
46/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 30 Google reviews.
- 4.8★ from 30 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 69 Paul Dr., San Rafael, CA 94903
Based in San Rafael, 31 mi away
45/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “General contractor”.
- 4.0★ from 8 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 630 Las Gallinas Ave 2nd Floor, San Rafael, CA 94903
Based in San Rafael, 34 mi away
45/100CR ScoreRanked #25 because of its Google rating and review volume: 4.7★ from 30 Google reviews.
- 4.7★ from 30 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 1312 Mission Ave, San Rafael, CA 94901
All 30 foundation repair companies
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | The Roofer | 45 | 4.2★ (5) | 17 mi |
| 27 | Mason Plumbing | 45 | 4.9★ (10) | 26 mi |
| 28 | Brendan Roofing and Waterproofing | 44 | 4.0★ (6) | 39 mi |
| 29 | Tarantino's Yardscapes | 44 | 3.6★ (5) | 19 mi |
| 30 | Perma Level | 42 | 5.0★ (5) | 36 mi |
Also serving Santa Rosa
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 |
|---|---|---|
| All-Wayz Construction n Paint, LLC | 4.8★ (9) | In Santa Rosa |
| ARS Roofing & Gutters | 4.7★ (79) | In Santa Rosa |
| CALMEX Ready Mix | 5.0★ (6) | In Santa Rosa |
| Christopher Robin's Plumbing | 5.0★ (99) | In Santa Rosa |
| Construction Abatement, LLC | 4.7★ (38) | In Santa Rosa |
| Ghilotti Construction Company | 3.0★ (45) | In Santa Rosa |
| Holman Plumbing | 5.0★ (172) | In Santa Rosa |
| Hometown Leak Detection | 5.0★ (155) | In Santa Rosa |
| Howie Excavating & Grading | 5.0★ (11) | In Santa Rosa |
| Murnane Carpet & Floor | 4.9★ (64) | In Santa Rosa |
| Nor-Cal Maintenance | Exterior & Gutter Services in Santa Rosa, CA | 5.0★ (128) | In Santa Rosa |
| Ongaro & Sons | 4.9★ (1,222) | In Santa Rosa |
| PreXa Designs & Construction Inc. | 5.0★ (14) | In Santa Rosa |
| Richard Shockley Construction | 4.3★ (6) | In Santa Rosa |
| SDA Building | 4.6★ (10) | In Santa Rosa |
| Sealund Construction | 5.0★ (17) | In Santa Rosa |
| Sewer Line Survey | 5.0★ (18) | In Santa Rosa |
| Urban Equity Builders | 3.1★ (21) | In Santa Rosa |
| Warner Landscape Construction | 5.0★ (49) | In Santa Rosa |
| Wolff Contracting, Inc | 4.9★ (12) | In Santa Rosa |
How much do foundation repair companies cost in Santa Rosa?
National price ranges in USD, not adjusted for Santa Rosa. 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 Santa Rosa foundation repair companies
We scored 30 Santa Rosa 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 Santa Rosa 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 Santa Rosa: frequently asked questions
Who is the best foundation repair company in Santa Rosa?
By CR Score, the highest-ranked foundation repair company in Santa Rosa, CA is Roof Doctors Sonoma County with a CR Score of 59/100. It has 4.9★ from 208 Google reviews. It is open 24/7. Sustainable Living Builders, Inc (#2) and Under The House. (#3) follow. We ranked 30 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Santa Rosa?
ContractorsRanked ranks 30 foundation repair companies serving Santa Rosa, CA. 8 of them are based in Santa Rosa; 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 Santa Rosa are open 24/7?
3 ranked foundation repair companies in Santa Rosa post 24/7 hours. The highest-ranked are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Roof Doctors Marin County (#12). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Santa Rosa work on weekends?
14 of 30 ranked foundation repair companies post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Under The House. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Santa Rosa?
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 Santa Rosa. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Santa Rosa foundation repair companies have?
The median Google rating among 30 rated foundation repair companies in Santa Rosa is 4.8★, with a median of 27 reviews. Groundworks has the most, 575 reviews, and ranks #5. 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 Santa Rosa count in this ranking?
Yes, if they are within 40 mi of the Santa Rosa 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 Santa Rosa
- October 2026: CR Scores recalculated for 30 foundation repair companies serving Santa Rosa.
More foundation repair companies and Santa Rosa pages
Foundation repair companies near Santa Rosa
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Other trades in Santa Rosa
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- Plumbers in Santa Rosa199 ranked
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- HVAC contractors in Santa Rosa112 ranked
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- Painters in Santa Rosa99 ranked
- Landscapers in Santa Rosa92 ranked
- Handymen in Santa Rosa40 ranked
- Kitchen remodelers in Santa Rosa90 ranked
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- Flooring contractors in Santa Rosa61 ranked
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- Drywall contractors in Santa Rosa20 ranked
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- Tree services in Santa Rosa102 ranked
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- All contractors in Santa Rosa