88/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 107 Google reviews, open 24/7.
- 4.9★ from 107 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2811 Castro Valley Blvd #111, Castro Valley, CA 94546
Best General Contractors in Blackhawk, CA (2026)
637 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Blackhawk: Ocean Remodel, CR Score 88/100; 4.9★ from 107 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): THE HOUSE DOCTOR INC., posts 24/7 hours; ranked #3 of 637.
- 2
Most-reviewed: Closets by Design - Northern California, 998 Google reviews at 4.8★, the most of 637 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
637 Blackhawk general contractors are ranked here by CR Score, from 8 published factors. 33 are open 24/7, 213 open Saturdays and 109 open Sundays, based on posted hours. The median Google rating is 5.0★ across 637 rated businesses.
Top 10 general contractors in Blackhawk at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ocean Remodel | 88 | 4.9★ (107) | Castro Valley, 13 mi away | 24/7 | Overall |
| 2 | Closets by Design - Northern California | 88 | 4.8★ (998) | Hayward, 17 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | THE HOUSE DOCTOR INC. | 88 | 5.0★ (23) | Danville, 3 mi away | 24/7 | Emergencies |
| 4 | Renovation Sells East Bay | 86 | 5.0★ (27) | Concord, 9 mi away | 24/7 | — |
| 5 | LRL Builders, Inc. | 86 | 5.0★ (24) | Walnut Creek, 10 mi away | 24/7 | — |
| 6 | Y Group Remodeling | 86 | 4.8★ (85) | San Ramon, 5 mi away | Sat · Sun · Evenings | — |
| 7 | Sky Automatic Gates | 86 | 4.9★ (22) | Pleasanton, 9 mi away | 24/7 | — |
| 8 | E. Zapien Construction | 85 | 5.0★ (31) | Ceres, 15 mi away | 24/7 | — |
| 9 | United Constructors Inc. | 85 | 4.9★ (48) | Alamo, 7 mi away | 24/7 | — |
| 10 | Ehret Co Plumbing & Heating | 84 | 4.6★ (52) | Oakland, 16 mi away | 24/7 | — |
The 637 best general contractors in Blackhawk, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Hayward, 17 mi away
88/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 998 Google reviews, the most Google reviews on this list (998).
- 4.8★ from 998 Google reviews
- Hours
- Mon–Fri 6:30 AM–9 PM · Sat–Sun 9 AM–4 PM
- Address
- 20470 Corsair Blvd, Hayward, CA 94545
Based in Danville, 3 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Concord, 9 mi away
86/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Walnut Creek, 10 mi away
86/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1661 Botelho Dr # 293, Walnut Creek, CA 94596
Based in San Ramon, 5 mi away
86/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Construction company”.
- 4.8★ from 85 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 2010 Crow Canyon Pl Suite 100, San Ramon, CA 94583
Based in Pleasanton, 9 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 22 Google reviews, open 24/7.
- 4.9★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4900 Hopyard Rd Suit 100, Pleasanton, CA 94588
Based in Ceres, 15 mi away
85/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Alamo, 7 mi away
85/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “General contractor”.
- 4.9★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1251 Stone Valley Rd, Alamo, CA 94507
Based in Oakland, 16 mi away
84/100CR ScoreRanked #10 because of its Google rating and availability: 4.6★ from 52 Google reviews, open 24/7.
- 4.6★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 887 71st Ave, Oakland, CA 94621
Based in Bay Point, 7 mi away
84/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 33 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Antioch, 12 mi away
84/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2124 Hamlin Dr, Antioch, CA 94509
Based in Hayward, 17 mi away
84/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.4★ from 775 Google reviews, listed on Google as “General contractor”.
- 4.4★ from 775 Google reviews
- Hours
- Mon–Fri 6:30 AM–9 PM · Sat 8 AM–6 PM · Sun 9 AM–4 PM
- Address
- 20466 Corsair Blvd, Hayward, CA 94545
Based in Walnut Creek, 11 mi away
84/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 42 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1255 Treat Blvd suite 300, Walnut Creek, CA 94597
Based in Blackhawk
83/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Construction company”.
- 4.7★ from 14 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
Based in Fremont, 20 mi away
83/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
- 5.0★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3948 Clough Ave, Fremont, CA 94538
Based in Antioch, 13 mi away
83/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2816 Point Arena Ct, Antioch, CA 94531
Based in Union City, 18 mi away
83/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 21 Google reviews, open 24/7.
- 4.8★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4236 Solar Cir, Union City, CA 94587
Based in Sacramento, 25 mi away
83/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 520 Google reviews, listed on Google as “Contractor”.
- 5.0★ from 520 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–5 PM · Sun closed
Based in Walnut Creek, 11 mi away
83/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 160 Google reviews
- Hours
- Mon–Thu 8:30 AM–4:30 PM · Fri 8:30 AM–2 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 2678 N Main St #7, Walnut Creek, CA 94597
Based in Lafayette, 14 mi away
82/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 35 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 3870 Quail Ridge Rd, Lafayette, CA 94549
Based in San Ramon, 6 mi away
82/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 67 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat closed · Sun 7 AM–5 PM
- Address
- 2721 Morgan Dr, San Ramon, CA 94583
Based in Albany, 11 mi away
82/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun 9 AM–1 PM
Based in Danville, 5 mi away
82/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 15 Railroad Ave, Danville, CA 94526
Based in San Francisco, 23 mi away
82/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 637 ranked general contractors here; the rest are on their profiles.
Also serving Blackhawk
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 |
|---|---|---|
| All Builders Pro | In Blackhawk | |
| ASD Woodworks,Inc | 5.0★ (2) | 4 mi |
| Atra Construction LLC | In Blackhawk | |
| CA Design Build, Inc. | 5.0★ (1) | In Blackhawk |
| Cal Construction Enterprises Inc. | 3.8★ (4) | In Blackhawk |
| California Professional Builders | In Blackhawk | |
| Davis Home Pros | In Blackhawk | |
| Flaherty Brothers Construction, Inc. | 3.0★ (2) | 4 mi |
| GMB Construction | 5.0★ (2) | 3 mi |
| Haven Development | In Blackhawk | |
| LemRx Realty Advisors | 5.0★ (1) | In Blackhawk |
| McInnis Construction | In Blackhawk | |
| Michael Roth Construction | In Blackhawk | |
| Palacios Painting | In Blackhawk | |
| Preserve At Ironhorse Trail H | 3.0★ (2) | 4 mi |
| RC Construction | In Blackhawk | |
| Red Squar Builders Inc. | In Blackhawk | |
| RY Solutions | In Blackhawk | |
| S & J Properties | 3.0★ (2) | 2 mi |
| Select Craftsmanship General Contracting | In Blackhawk |
How much do general contractors cost in Blackhawk?
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 Blackhawk general contractors
We scored 637 Blackhawk 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 Blackhawk 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 Blackhawk: frequently asked questions
Who is the best general contractor in Blackhawk?
By CR Score, the highest-ranked general contractor in Blackhawk, CA is Ocean Remodel with a CR Score of 88/100. It has 4.9★ from 107 Google reviews. It is open 24/7. Closets by Design - Northern California (#2) and THE HOUSE DOCTOR INC. (#3) follow. We ranked 637 general contractors on 8 factors, last updated October 22, 2026.
How many general contractors are there in Blackhawk?
ContractorsRanked ranks 637 general contractors serving Blackhawk, CA. 2 of them are based in Blackhawk; 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 Blackhawk are open 24/7?
33 ranked general contractors in Blackhawk post 24/7 hours. The highest-ranked are Ocean Remodel (#1), THE HOUSE DOCTOR INC. (#3) and Renovation Sells East Bay (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in Blackhawk work on weekends?
213 of 637 ranked general contractors post Saturday hours and 109 post Sunday hours. The highest-ranked open Saturdays are Ocean Remodel (#1), Closets by Design - Northern California (#2) and THE HOUSE DOCTOR INC. (#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 Blackhawk?
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 Blackhawk general contractors have?
The median Google rating among 637 rated general contractors in Blackhawk is 5.0★, with a median of 7 reviews. Closets by Design - Northern California has the most, 998 reviews, and ranks #2. 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 Blackhawk
- October 2026: CR Scores recalculated for 637 general contractors serving Blackhawk.
- October 2026: 7 duplicate listings merged.
More general contractors and Blackhawk pages
General contractors near Blackhawk
- General contractors in San Ramon, CA883 ranked
- General contractors in Danville, CA882 ranked
- General contractors in Alamo, CA897 ranked
- General contractors in Dublin, CA929 ranked
- General contractors in Clayton, CA653 ranked
- General contractors in Saranap, CA916 ranked
- General contractors in Walnut Creek, CA887 ranked
- General contractors in Waldon, CA867 ranked
- General contractors in Contra Costa Centre, CA868 ranked
- General contractors in Pleasanton, CA843 ranked
Other trades in Blackhawk
- Roofers in Blackhawk812 ranked
- Plumbers in Blackhawk519 ranked
- Electricians in Blackhawk348 ranked
- HVAC contractors in Blackhawk465 ranked
- Painters in Blackhawk177 ranked
- Landscapers in Blackhawk157 ranked
- Handymen in Blackhawk88 ranked
- Kitchen remodelers in Blackhawk341 ranked
- Bathroom remodelers in Blackhawk324 ranked
- Flooring contractors in Blackhawk235 ranked
- Tile installers in Blackhawk58 ranked
- Drywall contractors in Blackhawk28 ranked
- Concrete contractors in Blackhawk212 ranked
- Fence contractors in Blackhawk105 ranked
- Deck builders in Blackhawk122 ranked
- Siding contractors in Blackhawk107 ranked
- Window installers in Blackhawk338 ranked
- Gutter installers in Blackhawk141 ranked
- Insulation contractors in Blackhawk82 ranked
- Solar installers in Blackhawk330 ranked
- Garage door repair companies in Blackhawk167 ranked
- Foundation repair companies in Blackhawk134 ranked
- Tree services in Blackhawk194 ranked
- Masonry contractors in Blackhawk86 ranked
- Water damage restoration companies in Blackhawk415 ranked
- Home builders in Blackhawk546 ranked
- Demolition contractors in Blackhawk70 ranked
- All contractors in Blackhawk