148 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Windsor: Gehrett & Zunino Builders, Inc. | Windsor Construction & Remodeling, CR Score 85/100; 5.0★ from 3 Google reviews; open 24/7.
Best for emergencies (open 24/7): CMH General Contractors, Inc., posts 24/7 hours; ranked #2 of 148.
Most-reviewed: Bolt Down the Bay Area, 166 Google reviews at 5.0★, the most of 148 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
148 Windsor general contractors are ranked here by CR Score, from 8 published factors. 11 are open 24/7, 38 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 5.0★ across 148 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Gehrett & Zunino Builders, Inc. | Windsor Construction & Remodeling | 85 | 5.0★ (3) | Windsor | 24/7 | Overall |
| 2 | CMH General Contractors, Inc. | 85 | 5.0★ (36) | Santa Rosa, 9 mi away | 24/7 | Emergencies |
| 3 | Simon & Sons Construction | 84 | 5.0★ (8) | Larkfield-Wikiup, 11 mi away | 24/7 | — |
| 4 | Trick Construction | 84 | 5.0★ (14) | Santa Rosa, 6 mi away | — | — |
| 5 | Bigbull Builders & Sales | 84 | 5.0★ (5) | Larkfield-Wikiup, 10 mi away | 24/7 | — |
| 6 | Environmental Dynamics | 83 | 4.9★ (14) | Petaluma, 22 mi away | 24/7 | — |
| 7 | Bolt Down the Bay Area | 82 | 5.0★ (166) | Sebastopol, 13 mi away | — | Most reviews |
| 8 | E.Valdez Framing INC | 82 | 5.0★ (3) | Rohnert Park, 7 mi away | 24/7 | — |
| 9 | West Coast ADU | 82 | 5.0★ (3) | Santa Rosa, 13 mi away | 24/7 | — |
| 10 | customsonomafence | 81 | 5.0★ (11) | Larkfield-Wikiup, 13 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 in Windsor
Based in Windsor
Ranked #1 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 9 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Larkfield-Wikiup, 11 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 6 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Larkfield-Wikiup, 10 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Petaluma, 22 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 13 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 166 Google reviews, the most Google reviews on this list (166).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rohnert Park, 7 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 13 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Larkfield-Wikiup, 13 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Calistoga, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 7 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Santa Rosa, 12 mi away
Ranked #13 because of its Google rating and availability: 3.0★ from 45 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor
Ranked #15 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 22 mi away
Ranked #16 because of its Google rating and availability: 3.4★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 8 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor
Ranked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rohnert Park, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Petaluma, 14 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor
Ranked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sebastopol, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Rosa, 4 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
#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 148 ranked general contractors here; the rest are on their profiles.
20 more general contractors within 25 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 |
|---|---|---|
| Austin Parnow Landscape Design | 5.0★ (4) | In Windsor |
| Bowman Landscaping | 5.0★ (9) | In Windsor |
| Bravo Restoration & Construction | 4.9★ (210) | In Windsor |
| Chuck It Junk Removal | In Windsor | |
| Coleman Construction & RC Painting | 4.8★ (4) | In Windsor |
| Division 13 Buildings | In Windsor | |
| DW Excavation, LLC | 5.0★ (1) | In Windsor |
| Elite Concrete | 4.1★ (9) | In Windsor |
| Harkey Construction, Inc. Lic. #790931 | 4.9★ (8) | In Windsor |
| Intentional Contracting Inc. | 5.0★ (2) | In Windsor |
| Manning Construction Inc | 5.0★ (2) | In Windsor |
| Petersen Builders Inc | 5.0★ (1) | In Windsor |
| RTS Construction | 3.7★ (3) | In Windsor |
| Snyder Construction Inc | 5.0★ (1) | In Windsor |
| Sonoma Reinforcing, Inc. | 5.0★ (2) | In Windsor |
| Trans AM Construction Ltd | 3.0★ (2) | In Windsor |
| W S Construction Inc | 3.0★ (2) | In Windsor |
| West Coast Reinforcing | 5.0★ (2) | In Windsor |
| Windsor North Bay Builders | 5.0★ (10) | In Windsor |
| Xalos Foundation Support | 5.0★ (27) | In Windsor |
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $15,240 | $28,190 | $43,470 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.04 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $7,050 | $12,880 | $18,720 | Per bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
In California, Contractors State License Board (CSLB) licenses B General Building contractor license (B-2 for residential remodeling).
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 148 Windsor general contractors 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 Windsor 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 |