90/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 58 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 58 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best General Contractors in Fairfax, CA (2026)
583 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fairfax: CSA Home and Business Services, CR Score 90/100; 5.0★ from 58 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): 361 Construction, posts 24/7 hours; ranked #3 of 583.
- 29
Most-reviewed: EcoStar Remodeling & Construction, 240 Google reviews at 4.7★, the most of 583 ranked; ranked #29.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
583 Fairfax general contractors are ranked here by CR Score, from 8 published factors. 27 are open 24/7, 211 open Saturdays and 93 open Sundays, based on posted hours. The median Google rating is 5.0★ across 583 rated businesses.
Top 10 general contractors in Fairfax at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CSA Home and Business Services | 90 | 5.0★ (58) | Lathrop, 12 mi away | 24/7 | Overall |
| 2 | Reliable Home Remodeling & Construction | 88 | 5.0★ (55) | San Rafael, 4 mi away | Sat · Sun | — |
| 3 | 361 Construction | 87 | 4.9★ (29) | Alameda, 13 mi away | 24/7 | Emergencies |
| 4 | A and D Construction | 87 | 5.0★ (24) | Campbell, 12 mi away | 24/7 | — |
| 5 | Maldonado Jessy Construction | 87 | 5.0★ (34) | San Rafael, 3 mi away | Sat · Sun | — |
| 6 | The Container Store | 86 | 4.3★ (188) | Corte Madera, 6 mi away | Sat · Sun · Evenings | — |
| 7 | WEH General Builders, Inc. | 86 | 5.0★ (22) | San Rafael, 3 mi away | Sat · Sun · Evenings | — |
| 8 | CS Construction CO | 85 | 5.0★ (6) | San Rafael, 5 mi away | 24/7 | — |
| 9 | Home Revive Builders | 85 | 5.0★ (134) | Campbell, 12 mi away | Sun | — |
| 10 | Greenport Construction Inc. | 85 | 5.0★ (17) | San Rafael, 5 mi away | Sat · Sun | — |
The 583 best general contractors in Fairfax, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in San Rafael, 4 mi away
88/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 55 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 109 Roundtree Blvd, San Rafael, CA 94903
Based in Alameda, 13 mi away
87/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Campbell, 12 mi away
87/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Rafael, 3 mi away
87/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 9 AM–3:30 PM
- Address
- 5 Frances St, San Rafael, CA 94901
Based in Corte Madera, 6 mi away
86/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.3★ from 188 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.3★ from 188 Google reviews
- Hours
- Mon–Sat 10 AM–7 PM · Sun 11 AM–6 PM
- Address
- 219 Corte Madera Town Center, Corte Madera, CA 94925
Based in San Rafael, 3 mi away
86/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
- Address
- 331 C St b, San Rafael, CA 94901
Based in San Rafael, 5 mi away
85/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3070 Kerner Blvd ste n, San Rafael, CA 94901
Based in Campbell, 12 mi away
85/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 134 Google reviews
- Hours
- Mon–Thu 9 AM–6 PM · Fri 9 AM–4 PM · Sat closed · Sun 10 AM–4 PM
Based in San Rafael, 5 mi away
85/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 47 Louise St, San Rafael, CA 94901
Based in Fairfax
85/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 11 Google reviews
Based in Danville, 12 mi away
84/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Richmond, 13 mi away
84/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 920 Macdonald Ave, Richmond, CA 94801
#14 Epic Spaces
Based in Tiburon, 8 mi away
84/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 9 Mercury Ave, Tiburon, CA 94920
Based in Los Gatos, 12 mi away
84/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Sausalito, 11 mi away
83/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun 9 AM–5 PM
- Address
- Sausalito, CA 94965
Based in Petaluma, 19 mi away
83/100CR ScoreRanked #17 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.
- 4.9★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1320 Commerce St # A, Petaluma, CA 94954
#18 SBC CONSTRUCTION
Based in San Francisco, 19 mi away
83/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 43 Google reviews
- Hours
- Mon–Sun 8:30 AM–6 PM
- Address
- 64 Winfield St, San Francisco, CA 94110
#19 Buildverse
Based in Campbell, 12 mi away
83/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 26 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
Based in Ashland, 12 mi away
83/100CR ScoreRanked #20 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.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Rafael, 3 mi away
83/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Thu 8:30 AM–7 PM · Fri 8:30 AM–5 PM · Sat closed · Sun 9 AM–7 PM
- Address
- 4040 Civic Center Dr Suite 200, San Rafael, CA 94903
Based in San Francisco, 18 mi away
83/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 18 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1535 Mission St, San Francisco, CA 94103
Based in San Francisco, 18 mi away
83/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2250 Mission St #302, San Francisco, CA 94110
Based in Antioch, 13 mi away
83/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
#25 J N Builder
Based in Fremont, 12 mi away
82/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 16 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
General contractors 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 583 ranked general contractors here; the rest are on their profiles.
Also serving Fairfax
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 |
|---|---|---|
| A Touchstone Home Improvement | 2.5★ (2) | In Fairfax |
| Amigos Construction Services LLC | 5.0★ (1) | In Fairfax |
| ARC Restoration & Waterproofing, Inc. | 3.9★ (7) | In Fairfax |
| Arrow Deck & Construction | 4.9★ (38) | In Fairfax |
| Barrios Construction 20 LLC | 5.0★ (5) | In Fairfax |
| eBuild Construction and Electric | 5.0★ (1) | In Fairfax |
| Elisha Mayost Construction | 5.0★ (1) | In Fairfax |
| Headlands Construction | 5.0★ (1) | In Fairfax |
| Hennessey Construction, Inc. | 5.0★ (1) | In Fairfax |
| I-Beam Reconstruction Management, Inc. | 3.5★ (2) | In Fairfax |
| Kieran Collins Construction | 5.0★ (1) | In Fairfax |
| Kitchen King | 5.0★ (2) | In Fairfax |
| Marin Master Builders Inc | 5.0★ (2) | In Fairfax |
| Marin Super handyman | 5.0★ (10) | In Fairfax |
| Millennium Security Fire | 5.0★ (3) | In Fairfax |
| SC General Construction | 5.0★ (9) | In Fairfax |
| Shining Star Electric | 5.0★ (5) | In Fairfax |
| Swell House Construction | 5.0★ (1) | In Fairfax |
| The Cabinet Facelift Company | 5.0★ (10) | In Fairfax |
| Zen Construction Inc | 4.0★ (1) | In Fairfax |
How much do general contractors cost in Fairfax?
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 |
How to check a general contractor's license in California
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).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
How we ranked Fairfax general contractors
We scored 583 Fairfax 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 Fairfax 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 |
General contractors in Fairfax: frequently asked questions
Who is the best general contractor in Fairfax?
By CR Score, the highest-ranked general contractor in Fairfax, CA is CSA Home and Business Services with a CR Score of 90/100. It has 5.0★ from 58 Google reviews. It is open 24/7. Reliable Home Remodeling & Construction (#2) and 361 Construction (#3) follow. We ranked 583 general contractors on 8 factors, last updated October 22, 2026.
How many general contractors are there in Fairfax?
ContractorsRanked ranks 583 general contractors serving Fairfax, CA. 1 of them is based in Fairfax; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which general contractors in Fairfax are open 24/7?
27 ranked general contractors in Fairfax post 24/7 hours. The highest-ranked are CSA Home and Business Services (#1), 361 Construction (#3) and A and D Construction (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in Fairfax work on weekends?
211 of 583 ranked general contractors post Saturday hours and 93 post Sunday hours. The highest-ranked open Saturdays are CSA Home and Business Services (#1), Reliable Home Remodeling & Construction (#2) and 361 Construction (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a general contractor's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers B General Building contractor license (B-2 for residential remodeling). Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).
How much does kitchen remodel cost in Fairfax?
Kitchen remodel typically costs $15,240 to $43,470, with $28,190 typical (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)). The range is adjusted for California. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Fairfax general contractors have?
The median Google rating among 583 rated general contractors in Fairfax is 5.0★, with a median of 7 reviews. EcoStar Remodeling & Construction has the most, 240 reviews, and ranks #29. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank general contractors?
Each general contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Fairfax
- October 2026: CR Scores recalculated for 583 general contractors serving Fairfax.
- October 2026: 5 duplicate listings merged.
More general contractors and Fairfax pages
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Other trades in Fairfax
- Roofers in Fairfax544 ranked
- Plumbers in Fairfax387 ranked
- Electricians in Fairfax276 ranked
- HVAC contractors in Fairfax239 ranked
- Painters in Fairfax91 ranked
- Landscapers in Fairfax64 ranked
- Handymen in Fairfax41 ranked
- Kitchen remodelers in Fairfax239 ranked
- Bathroom remodelers in Fairfax232 ranked
- Flooring contractors in Fairfax141 ranked
- Tile installers in Fairfax26 ranked
- Drywall contractors in Fairfax10 ranked
- Concrete contractors in Fairfax139 ranked
- Fence contractors in Fairfax65 ranked
- Deck builders in Fairfax72 ranked
- Siding contractors in Fairfax88 ranked
- Window installers in Fairfax238 ranked
- Gutter installers in Fairfax87 ranked
- Insulation contractors in Fairfax53 ranked
- Solar installers in Fairfax215 ranked
- Garage door repair companies in Fairfax101 ranked
- Foundation repair companies in Fairfax103 ranked
- Tree services in Fairfax124 ranked
- Masonry contractors in Fairfax74 ranked
- Water damage restoration companies in Fairfax286 ranked
- Home builders in Fairfax337 ranked
- Demolition contractors in Fairfax67 ranked
- All contractors in Fairfax