63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Roofers in Castro Valley, CA (2026)
772 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Castro Valley: Roof Doctors Alameda County, CR Score 63/100; 5.0★ from 87 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Hayes Brothers Roofers LLC, posts 24/7 hours; ranked #2 of 772.
- 14
Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 772 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
772 Castro Valley roofers are ranked here by CR Score, from ten published factors. 129 are open 24/7, 441 open Saturdays and 317 open Sundays, based on posted hours. The median Google rating is 4.9★ across 772 rated businesses.
Top 10 roofers in Castro Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roof Doctors Alameda County | 63 | 5.0★ (87) | Alameda, 3 mi away | 24/7 | Overall |
| 2 | Hayes Brothers Roofers LLC | 62 | 4.9★ (73) | Hayward, 5 mi away | 24/7 | Emergencies |
| 3 | Bay Area Pressure Pros | 62 | 5.0★ (80) | Dublin, 9 mi away | 24/7 | — |
| 4 | Hayward Roofing Pro | 62 | 4.8★ (69) | Hayward, 2 mi away | 24/7 | — |
| 5 | CFY Construction Inc. | 62 | 5.0★ (527) | Daly City, 21 mi away | Sat · Sun | — |
| 6 | Roof Doctors Contra Costa County | 61 | 4.8★ (188) | Alamo, 15 mi away | 24/7 | — |
| 7 | Dragon Roofing Contractors Hayward | 61 | 5.0★ (37) | Hayward, 2 mi away | 24/7 | — |
| 8 | NC Roofing Solution | 61 | 5.0★ (111) | San Mateo, 16 mi away | 24/7 | — |
| 9 | Lake Michigan Roofing Pro | 61 | 4.8★ (78) | Fremont, 8 mi away | 24/7 | — |
| 10 | Martin Brothers Roofing | 61 | 4.8★ (104) | Fremont, 10 mi away | 24/7 | — |
The 772 best roofers in Castro Valley, 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 Hayward, 5 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23839 Connecticut St, Hayward, CA 94545
Based in Dublin, 9 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6990 Brighton Dr, Dublin, CA 94568
Based in Hayward, 2 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 69 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2551 D St, Hayward, CA 94541
Based in Daly City, 21 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 527 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 527 Google reviews
- Hours
- Mon–Fri 8 AM–5:30 PM · Sat–Sun 10 AM–3 PM
- Address
- 7204 Mission St, Daly City, CA 94014
Based in Alamo, 15 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 188 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 188 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hayward, 2 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22826 Vermont St #210, Hayward, CA 94541
Based in San Mateo, 16 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 E 3rd Ave site 329, San Mateo, CA 94401
Based in Fremont, 8 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 78 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 32997 Lake Michigan St, Fremont, CA 94555
Based in Fremont, 10 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 104 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37250 Fremont Blvd, Fremont, CA 94536
#11 Royal Roofing CA
Based in South San Francisco, 18 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 115 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 109 Northcrest Dr, South San Francisco, CA 94080
Based in Belmont, 16 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 490 El Camino Real #3000, Belmont, CA 94002
Based in San Jose, 25 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 291 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 888 Faulstich Ct, San Jose, CA 95112
#14 Attic Pros
Based in Oakland, 6 mi away
60/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most in Castro Valley.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Based in Alameda, 8 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 105 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1151 Harbor Bay Pkwy Suite 206G, Alameda, CA 94502
Based in San Mateo, 16 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 E 3rd Ave Unit 337, San Mateo, CA 94401
Based in Redwood City, 16 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 74 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Broadway, Redwood City, CA 94063
Based in San Leandro, 4 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 57 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–5 PM
- Address
- 303 W Joaquin Ave #110, San Leandro, CA 94577
#19 Rapi Fix Roofers
Based in Hayward, 6 mi away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31363 Medallion Dr, Hayward, CA 94544
Based in San Mateo, 15 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 153 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 153 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 1900 S Norfolk St #394, San Mateo, CA 94403
Based in San Leandro, 6 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1515 Aurora Dr Unit 201H, San Leandro, CA 94577
Based in Alameda, 12 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1910 Webster St, Alameda, CA 94501
Based in San Jose, 26 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 670 Coleman Ave, San Jose, CA 95110
Based in South San Francisco, 19 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 715 Southwood Dr, South San Francisco, CA 94080
Based in Redwood Shores, 19 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 147 Google reviews
- Hours
- Mon–Sun 8 AM–7 PM
Roofers 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 772 ranked roofers here; the rest are on their profiles.
Also serving Castro Valley
20 more roofers 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 |
|---|---|---|
| A Mendoza Roofing | 3.0★ (2) | 1 mi |
| ACR Roof Repair Inc | 4.9★ (33) | 19 mi |
| Alpha One Roofing Inc | In Castro Valley | |
| Bailey Roofing | 5.0★ (1) | In Castro Valley |
| Bay Contractors & Roofing | 4.8★ (69) | 23 mi |
| Brian Beck Construction | 5.0★ (1) | In Castro Valley |
| Clean & Honest Restoration | 4.9★ (14) | In Castro Valley |
| Davis Levi Construction, Inc. | 5.0★ (10) | In Castro Valley |
| Deluxe Menlo Park Roofing | 4.8★ (27) | 15 mi |
| Diaz Diaz Rain Gutters | 3.0★ (2) | 4 mi |
| Epic Roofing Contractors | 4.8★ (20) | 11 mi |
| Flawless Roof Repair & Installation | 5.0★ (42) | 21 mi |
| James P Silva Construction, Inc. | 5.0★ (1) | In Castro Valley |
| Lake Chabot Roofing | In Castro Valley | |
| Oakland Roofing Pros | 4.6★ (25) | 13 mi |
| Parra Builders | 5.0★ (1) | In Castro Valley |
| Ramon Roofing | In Castro Valley | |
| Roof-Life Construction | 5.0★ (7) | In Castro Valley |
| Swift Fox Fix Roofings | 4.8★ (42) | 20 mi |
| Wings Roofing | 5.0★ (1) | In Castro Valley |
How much do roofers cost in Castro Valley?
Typical prices in USD: adjusted for California where a published index exists, national otherwise. Each row names its basis.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Roof replacement | $8,560 | $11,420 | $15,990 | Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.14 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
| Roof repair | $395 | $1,174 | $1,968 | Per repair: typical range of customer-reported jobs. US national range | October 2026 |
How to check a roofer's license in California
In California, Contractors State License Board (CSLB) licenses C-39 Roofing contractor license.
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
When to hire a roofer in California
Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.
How we ranked Castro Valley roofers
We scored 772 Castro Valley roofers 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 Castro Valley 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 |
Roofers in Castro Valley: frequently asked questions
Who is the best roofer in Castro Valley?
By CR Score, the highest-ranked roofer in Castro Valley, CA is Roof Doctors Alameda County with a CR Score of 63/100. It has 5.0★ from 87 Google reviews. It is open 24/7. Hayes Brothers Roofers LLC (#2) and Bay Area Pressure Pros (#3) follow. We ranked 772 roofers on ten factors, last updated October 22, 2026.
How many roofers are there in Castro Valley?
ContractorsRanked ranks 772 roofers serving Castro Valley, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which roofers in Castro Valley are open 24/7?
129 ranked roofers in Castro Valley post 24/7 hours. The highest-ranked are Roof Doctors Alameda County (#1), Hayes Brothers Roofers LLC (#2) and Bay Area Pressure Pros (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which roofers in Castro Valley work on weekends?
441 of 772 ranked roofers post Saturday hours and 317 post Sunday hours. The highest-ranked open Saturdays are Roof Doctors Alameda County (#1), Hayes Brothers Roofers LLC (#2) and Bay Area Pressure Pros (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a roofer's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers C-39 Roofing contractor license. 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 roof replacement cost in Castro Valley?
Roof replacement typically costs $8,560 to $15,990, with $11,420 typical (Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.14 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 Castro Valley roofers have?
The median Google rating among 772 rated roofers in Castro Valley is 4.9★, with a median of 14 reviews. Attic Pros has the most, 1,938 reviews, and ranks #14. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire a roofer in Castro Valley?
Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.
Update log for Castro Valley
- October 2026: CR Scores recalculated for 772 roofers serving Castro Valley.
- October 2026: 5 duplicate listings merged.
More roofers and Castro Valley pages
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Other trades in Castro Valley
- Plumbers in Castro Valley821 ranked
- Electricians in Castro Valley592 ranked
- HVAC contractors in Castro Valley673 ranked
- General contractors in Castro Valley1182 ranked
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- Landscapers in Castro Valley158 ranked
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- Kitchen remodelers in Castro Valley632 ranked
- Bathroom remodelers in Castro Valley584 ranked
- Flooring contractors in Castro Valley382 ranked
- Tile installers in Castro Valley61 ranked
- Drywall contractors in Castro Valley27 ranked
- Concrete contractors in Castro Valley308 ranked
- Fence contractors in Castro Valley145 ranked
- Deck builders in Castro Valley172 ranked
- Siding contractors in Castro Valley100 ranked
- Window installers in Castro Valley319 ranked
- Gutter installers in Castro Valley209 ranked
- Insulation contractors in Castro Valley138 ranked
- Solar installers in Castro Valley303 ranked
- Garage door repair companies in Castro Valley291 ranked
- Foundation repair companies in Castro Valley129 ranked
- Tree services in Castro Valley287 ranked
- Masonry contractors in Castro Valley148 ranked
- Water damage restoration companies in Castro Valley405 ranked
- Home builders in Castro Valley497 ranked
- Demolition contractors in Castro Valley110 ranked
- All contractors in Castro Valley