61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 208 Google reviews, the most in Larkfield-Wikiup.
- 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 Larkfield-Wikiup, CA (2026)
25 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Larkfield-Wikiup: Roof Doctors Sonoma County, CR Score 61/100; 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 25.
- 5
Most-reviewed: Crandall Roofing, Inc., 117 Google reviews at 4.9★, the most of 25 ranked after Roof Doctors Sonoma County; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Larkfield-Wikiup foundation repair companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 12 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 25 rated businesses.
Top 10 foundation repair companies in Larkfield-Wikiup at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roof Doctors Sonoma County | 61 | 4.9★ (208) | Windsor, 4 mi away | 24/7 | Overall |
| 2 | Sustainable Living Builders, Inc | 58 | 4.9★ (84) | Sebastopol, 11 mi away | 24/7 | Emergencies |
| 3 | Under The House. | 57 | 5.0★ (62) | Santa Rosa, 5 mi away | Sat · Sun · Evenings | — |
| 4 | Modern Summit Roofing Contractor | 55 | 5.0★ (47) | Petaluma, 11 mi away | Sat · Sun · Evenings | — |
| 5 | Crandall Roofing, Inc. | 54 | 4.9★ (117) | Santa Rosa, 9 mi away | — | Most reviews |
| 6 | Xalos Foundation Support | 54 | 5.0★ (27) | Windsor, 5 mi away | — | — |
| 7 | Rich’s Mobile Home Service | 53 | 4.5★ (27) | Santa Rosa, 7 mi away | Sat · Sun · Evenings | — |
| 8 | Aleman Concrete | 53 | 5.0★ (27) | Santa Rosa, 6 mi away | Sat · Evenings | — |
| 9 | Clean CrawlSpace Inc. | 53 | 5.0★ (57) | Santa Rosa, 8 mi away | — | — |
| 10 | Concrete Contractor Rohnert Park | 51 | 5.0★ (19) | Cotati, 12 mi away | Sat · Evenings | — |
The 25 best foundation repair companies in Larkfield-Wikiup, 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
58/100CR 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, 5 mi away
57/100CR 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, 11 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
Based in Santa Rosa, 9 mi away
54/100CR ScoreRanked #5 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 Windsor, 5 mi away
54/100CR ScoreRanked #6 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 Santa Rosa, 7 mi away
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, 6 mi away
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, 8 mi away
53/100CR 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 Cotati, 12 mi away
51/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 19 Google reviews.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
Based in Fairfax, 38 mi away
51/100CR ScoreRanked #11 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, 6 mi away
50/100CR ScoreRanked #12 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
#13 Division Seven
Based in Petaluma, 20 mi away
50/100CR ScoreRanked #13 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, 33 mi away
49/100CR ScoreRanked #14 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, 5 mi away
48/100CR ScoreRanked #15 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 Benicia, 31 mi away
48/100CR ScoreRanked #16 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 Petaluma, 17 mi away
48/100CR ScoreRanked #17 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 Larkfield-Wikiup
47/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.6★ from 5 Google reviews, listed on Google as “Landscaper”.
- 3.6★ from 5 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Santa Rosa, 8 mi away
47/100CR ScoreRanked #19 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 San Rafael, 36 mi away
46/100CR ScoreRanked #20 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, 39 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
#22 The Roofer
Based in Rohnert Park, 14 mi away
46/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.
- 4.2★ from 5 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun closed
Based in San Rafael, 39 mi away
45/100CR ScoreRanked #23 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
Based in San Rafael, 37 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
#25 Mason Plumbing
Based in Corte Madera, 31 mi away
45/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 10 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Also serving Larkfield-Wikiup
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 |
|---|---|---|
| Aguilar Custom Construction | In Larkfield-Wikiup | |
| Atrisco Construction | 5.0★ (1) | In Larkfield-Wikiup |
| Barbosa Custom Concrete | 5.0★ (1) | In Larkfield-Wikiup |
| Bigbull Builders & Sales | 5.0★ (5) | In Larkfield-Wikiup |
| Bigbull Builders and Sales (Bigbull BS LLC) | In Larkfield-Wikiup | |
| Black Oak Canyon | 1.0★ (1) | In Larkfield-Wikiup |
| Filshie Enterprises | 5.0★ (8) | In Larkfield-Wikiup |
| JRCal Construction Inc. | 5.0★ (1) | In Larkfield-Wikiup |
| Magana Concrete Construction | 5.0★ (1) | In Larkfield-Wikiup |
| McPheron Constuction Inc. | 5.0★ (10) | In Larkfield-Wikiup |
| MG Pro Builders, Inc. | 5.0★ (2) | In Larkfield-Wikiup |
| nin construction | 4.2★ (5) | In Larkfield-Wikiup |
| Northstar Concrete Construction | 5.0★ (17) | In Larkfield-Wikiup |
| Riva and Cal Construction Inc. | 5.0★ (3) | In Larkfield-Wikiup |
| Santa Rosa Deck And Fence Contractors | 4.8★ (14) | In Larkfield-Wikiup |
| Santana Concrete | 5.0★ (10) | In Larkfield-Wikiup |
| Smooth Style Concrete Construction, Inc | 3.5★ (2) | In Larkfield-Wikiup |
| The Rock Construction Inc. | 5.0★ (4) | In Larkfield-Wikiup |
| The Santa Rosa Concrete Company | 5.0★ (11) | In Larkfield-Wikiup |
| Windsor Waterproofing | 5.0★ (2) | In Larkfield-Wikiup |
How much do foundation repair companies cost in Larkfield-Wikiup?
National price ranges in USD, not adjusted for Larkfield-Wikiup. 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 Larkfield-Wikiup foundation repair companies
We scored 25 Larkfield-Wikiup 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 Larkfield-Wikiup 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 Larkfield-Wikiup: frequently asked questions
Who is the best foundation repair company in Larkfield-Wikiup?
By CR Score, the highest-ranked foundation repair company in Larkfield-Wikiup, CA is Roof Doctors Sonoma County with a CR Score of 61/100. 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 25 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Larkfield-Wikiup?
ContractorsRanked ranks 25 foundation repair companies serving Larkfield-Wikiup, CA. 1 of them is based in Larkfield-Wikiup; 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 Larkfield-Wikiup are open 24/7?
3 ranked foundation repair companies in Larkfield-Wikiup post 24/7 hours. The highest-ranked are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Roof Doctors Marin County (#11). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Larkfield-Wikiup work on weekends?
12 of 25 ranked foundation repair companies post Saturday hours and 6 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 Larkfield-Wikiup?
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 Larkfield-Wikiup. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Larkfield-Wikiup foundation repair companies have?
The median Google rating among 25 rated foundation repair companies in Larkfield-Wikiup is 4.8★, with a median of 27 reviews. Roof Doctors Sonoma County has the most, 208 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 Larkfield-Wikiup count in this ranking?
Yes, if they are within 40 mi of the Larkfield-Wikiup 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 Larkfield-Wikiup
- October 2026: CR Scores recalculated for 25 foundation repair companies serving Larkfield-Wikiup.
- October 2026: 1 duplicate listing merged.
More foundation repair companies and Larkfield-Wikiup pages
Foundation repair companies near Larkfield-Wikiup
- Foundation repair companies in Windsor, CA21 ranked
- Foundation repair companies in Santa Rosa, CA30 ranked
- Foundation repair companies in Roseland, CA33 ranked
- Foundation repair companies in Sebastopol, CA27 ranked
- Foundation repair companies in Healdsburg, CA19 ranked
- Foundation repair companies in Calistoga, CA25 ranked
- Foundation repair companies in Rohnert Park, CA43 ranked
- Foundation repair companies in Cotati, CA44 ranked
- Foundation repair companies in Saint Helena, CA38 ranked
- Foundation repair companies in Boyes Hot Springs, CA73 ranked
Other trades in Larkfield-Wikiup
- Roofers in Larkfield-Wikiup128 ranked
- Plumbers in Larkfield-Wikiup180 ranked
- Electricians in Larkfield-Wikiup103 ranked
- HVAC contractors in Larkfield-Wikiup106 ranked
- General contractors in Larkfield-Wikiup159 ranked
- Painters in Larkfield-Wikiup92 ranked
- Landscapers in Larkfield-Wikiup73 ranked
- Handymen in Larkfield-Wikiup38 ranked
- Kitchen remodelers in Larkfield-Wikiup81 ranked
- Bathroom remodelers in Larkfield-Wikiup71 ranked
- Flooring contractors in Larkfield-Wikiup53 ranked
- Tile installers in Larkfield-Wikiup30 ranked
- Drywall contractors in Larkfield-Wikiup17 ranked
- Concrete contractors in Larkfield-Wikiup67 ranked
- Fence contractors in Larkfield-Wikiup48 ranked
- Deck builders in Larkfield-Wikiup35 ranked
- Siding contractors in Larkfield-Wikiup24 ranked
- Window installers in Larkfield-Wikiup61 ranked
- Gutter installers in Larkfield-Wikiup56 ranked
- Insulation contractors in Larkfield-Wikiup16 ranked
- Solar installers in Larkfield-Wikiup81 ranked
- Garage door repair companies in Larkfield-Wikiup25 ranked
- Tree services in Larkfield-Wikiup91 ranked
- Masonry contractors in Larkfield-Wikiup43 ranked
- Water damage restoration companies in Larkfield-Wikiup59 ranked
- Home builders in Larkfield-Wikiup89 ranked
- Demolition contractors in Larkfield-Wikiup15 ranked
- All contractors in Larkfield-Wikiup