65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 998 Google reviews, the most in San Leandro.
- 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
Best General Contractors in San Leandro, CA (2026)
1,120 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Leandro: Closets by Design - Northern California, CR Score 65/100; 4.8★ from 998 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Ocean Remodel, posts 24/7 hours; ranked #2 of 1,120.
- 4
Most-reviewed: Closet World - Northern California, 775 Google reviews at 4.4★, the most of 1,120 ranked after Closets by Design - Northern California; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,120 San Leandro general contractors are ranked here by CR Score, from ten published factors. 60 are open 24/7, 421 open Saturdays and 206 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,120 rated businesses.
Top 10 general contractors in San Leandro at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Closets by Design - Northern California | 65 | 4.8★ (998) | Hayward, 5 mi away | Sat · Sun · Evenings | Overall |
| 2 | Ocean Remodel | 63 | 4.9★ (107) | Castro Valley, 5 mi away | 24/7 | Emergencies |
| 3 | R & S Erection North Peninsula | 62 | 5.0★ (233) | South San Francisco, 15 mi away | 24/7 | — |
| 4 | Closet World - Northern California | 62 | 4.4★ (775) | Hayward, 5 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Ehret Co Plumbing & Heating | 61 | 4.6★ (52) | Oakland, 3 mi away | 24/7 | — |
| 6 | Method Remodeling General Contractor | 60 | 5.0★ (69) | Burlingame, 14 mi away | 24/7 | — |
| 7 | MasterPro Installs | 60 | 4.9★ (163) | San Leandro | — | — |
| 8 | EcoStar Remodeling & Construction | 59 | 4.7★ (240) | Alameda, 8 mi away | Sun · Evenings | — |
| 9 | Wellmade | 59 | 5.0★ (110) | San Leandro | — | — |
| 10 | Lockworks Unlimited | 59 | 4.7★ (144) | Redwood City, 18 mi away | 24/7 | — |
The 1,120 best general contractors in San Leandro, 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 Castro Valley, 5 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “General contractor”.
- 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
Based in South San Francisco, 15 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 233 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 233 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 133 S Linden Ave, South San Francisco, CA 94080
Based in Hayward, 5 mi away
62/100CR ScoreRanked #4 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 Oakland, 3 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 52 Google reviews, listed on Google as “General contractor”.
- 4.6★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 887 71st Ave, Oakland, CA 94621
Based in Burlingame, 14 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 533 Airport Blvd. #400, Burlingame, CA 94010
Based in San Leandro
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 163 Google reviews, listed on Google as “Contractor”.
- 4.9★ from 163 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3055 Alvarado St Ste 127, San Leandro, CA 94577
Based in Alameda, 8 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 240 Google reviews, listed on Google as “Contractor”.
- 4.7★ from 240 Google reviews
- Hours
- Mon–Thu 8 AM–7 PM · Fri 8 AM–2:30 PM · Sat closed · Sun 8 AM–7 PM
- Address
- 2381 Mariner Square Dr #275, Alameda, CA 94501
#9 Wellmade
Based in San Leandro
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 110 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 2371 Verna Ct, San Leandro, CA 94577
Based in Redwood City, 18 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 144 Google reviews, listed on Google as “Contractor”.
- 4.7★ from 144 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2671 El Camino Real, Redwood City, CA 94061
Based in San Francisco, 8 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Leandro
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 38 Google reviews
- Hours
- Mon–Sat 9 AM–7 PM · Sun closed
- Address
- 2399 E 14th St SPC 145, San Leandro, CA 94577
Based in San Ramon, 11 mi away
59/100CR ScoreRanked #13 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
#14 Sima
Based in San Leandro
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Construction company”.
- 4.3★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 130 Doolittle Dr #15, San Leandro, CA 94577
Based in Hayward, 6 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Construction company”.
- 4.7★ from 50 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 109 Jackson St, Hayward, CA 94544
#16 Geico Builders
Based in Oakland, 8 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 87 Google reviews
- Hours
- Mon–Fri 9 AM–7 PM · Sat closed · Sun 9 AM–6 PM
- Address
- 1901 Harrison St Ste 1100, Oakland, CA 94612
Based in Lathrop, 18 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Contractor”.
- 5.0★ from 58 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Albany, 5 mi away
59/100CR ScoreRanked #18 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 San Leandro
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
Based in Hayward, 8 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 341 Google reviews, listed on Google as “Contractor”.
- 4.8★ from 341 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 28436 Satellite St, Hayward, CA 94545
Based in Concord, 13 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hayward, 10 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 137 Google reviews, listed on Google as “General contractor”.
- 4.8★ from 137 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 2424 Whipple Rd, Hayward, CA 94544
Based in Walnut Creek, 13 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “General contractor”.
- 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 Walnut Creek, 15 mi away
58/100CR ScoreRanked #24 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 Alamo, 11 mi away
58/100CR ScoreRanked #25 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
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 1,120 ranked general contractors here; the rest are on their profiles.
Also serving San Leandro
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 |
|---|---|---|
| ALLIANCE CONTRACTING SERVICES | 4.5★ (8) | In San Leandro |
| AM General Contractor | 5.0★ (22) | In San Leandro |
| Banner Roofing Company | 4.2★ (10) | In San Leandro |
| Bay Area Builders Exchange | 5.0★ (4) | In San Leandro |
| Emilio handyman Services | 5.0★ (16) | In San Leandro |
| Innovation Construction | 3.7★ (9) | In San Leandro |
| Lee Electric Corp | 5.0★ (58) | In San Leandro |
| Manada Roofing Company of San Leandro, CA | 4.4★ (28) | In San Leandro |
| MG Remediation | 4.9★ (92) | In San Leandro |
| NorCal Roofing & Construction | 5.0★ (24) | In San Leandro |
| Penhall Company San Leandro | 3.9★ (14) | In San Leandro |
| Pro Rooter Inc | 4.1★ (25) | In San Leandro |
| R&S Overhead Garage Door, Inc. | 5.0★ (3,489) | In San Leandro |
| RK Roofing & Construction Inc. | 5.0★ (10) | In San Leandro |
| San Leandro Deck Builders | 4.7★ (12) | In San Leandro |
| Schafer Construction | 4.9★ (10) | In San Leandro |
| Tepa Iron Works | 5.0★ (5) | In San Leandro |
| Total Underground Construction | 5.0★ (6) | In San Leandro |
| Valencia Tiles | 4.7★ (6) | In San Leandro |
| Villatoro & M Construction Inc | 5.0★ (4) | In San Leandro |
How much do general contractors cost in San Leandro?
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 San Leandro general contractors
We scored 1,120 San Leandro general contractors 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 San Leandro 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 |
General contractors in San Leandro: frequently asked questions
Who is the best general contractor in San Leandro?
By CR Score, the highest-ranked general contractor in San Leandro, CA is Closets by Design - Northern California with a CR Score of 65/100. It has 4.8★ from 998 Google reviews. It is open 7 days a week. Ocean Remodel (#2) and R & S Erection North Peninsula (#3) follow. We ranked 1,120 general contractors on ten factors, last updated October 22, 2026.
How many general contractors are there in San Leandro?
ContractorsRanked ranks 1,120 general contractors serving San Leandro, CA. 7 of them are based in San Leandro; 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 San Leandro are open 24/7?
60 ranked general contractors in San Leandro post 24/7 hours. The highest-ranked are Ocean Remodel (#2), R & S Erection North Peninsula (#3) and Ehret Co Plumbing & Heating (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in San Leandro work on weekends?
421 of 1,120 ranked general contractors post Saturday hours and 206 post Sunday hours. The highest-ranked open Saturdays are Closets by Design - Northern California (#1), Ocean Remodel (#2) and R & S Erection North Peninsula (#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 San Leandro?
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 San Leandro general contractors have?
The median Google rating among 1,120 rated general contractors in San Leandro is 5.0★, with a median of 7 reviews. Closets by Design - Northern California has the most, 998 reviews, and ranks #1. 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 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.
Update log for San Leandro
- October 2026: CR Scores recalculated for 1,120 general contractors serving San Leandro.
- October 2026: 12 duplicate listings merged.
More general contractors and San Leandro pages
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Other trades in San Leandro
- Roofers in San Leandro779 ranked
- Plumbers in San Leandro793 ranked
- Electricians in San Leandro557 ranked
- HVAC contractors in San Leandro630 ranked
- Painters in San Leandro265 ranked
- Landscapers in San Leandro178 ranked
- Handymen in San Leandro122 ranked
- Kitchen remodelers in San Leandro558 ranked
- Bathroom remodelers in San Leandro513 ranked
- Flooring contractors in San Leandro353 ranked
- Tile installers in San Leandro63 ranked
- Drywall contractors in San Leandro34 ranked
- Concrete contractors in San Leandro287 ranked
- Fence contractors in San Leandro135 ranked
- Deck builders in San Leandro165 ranked
- Siding contractors in San Leandro103 ranked
- Window installers in San Leandro320 ranked
- Gutter installers in San Leandro199 ranked
- Insulation contractors in San Leandro123 ranked
- Solar installers in San Leandro307 ranked
- Garage door repair companies in San Leandro278 ranked
- Foundation repair companies in San Leandro130 ranked
- Tree services in San Leandro280 ranked
- Masonry contractors in San Leandro146 ranked
- Water damage restoration companies in San Leandro404 ranked
- Home builders in San Leandro500 ranked
- Demolition contractors in San Leandro112 ranked
- All contractors in San Leandro