91/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
- 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
Best Roofers in Foster City, CA (2026)
728 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Foster City: NC Roofing Solution, CR Score 91/100; 5.0★ from 111 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Spotlight Roofing Inc, posts 24/7 hours; ranked #2 of 728.
- 30
Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 728 ranked; ranked #30.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
728 Foster City roofers are ranked here by CR Score, from 8 published factors. 124 are open 24/7, 411 open Saturdays and 300 open Sundays, based on posted hours. The median Google rating is 4.9★ across 728 rated businesses.
Top 10 roofers in Foster City at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NC Roofing Solution | 91 | 5.0★ (111) | San Mateo, 3 mi away | 24/7 | Overall |
| 2 | Spotlight Roofing Inc | 90 | 5.0★ (66) | San Mateo, 3 mi away | 24/7 | Emergencies |
| 3 | Royal Roofing CA | 90 | 5.0★ (115) | South San Francisco, 11 mi away | 24/7 | — |
| 4 | Carl & Sons Roofing & Remodeling LLC | 89 | 4.9★ (112) | Belmont, 2 mi away | 24/7 | — |
| 5 | Redwood Roofing Pro | 89 | 4.9★ (74) | Redwood City, 7 mi away | 24/7 | — |
| 6 | CFY Construction Inc. | 89 | 5.0★ (527) | Daly City, 14 mi away | Sat · Sun | — |
| 7 | Hayes Brothers Roofers LLC | 89 | 4.9★ (73) | Hayward, 10 mi away | 24/7 | — |
| 8 | Roof Doctors Alameda County | 89 | 5.0★ (87) | Alameda, 15 mi away | 24/7 | — |
| 9 | South San Roofing Pro | 89 | 4.9★ (80) | South San Francisco, 11 mi away | 24/7 | — |
| 10 | ELM Roofing Contractors | 88 | 4.9★ (153) | San Mateo, 1 mi away | Sat · Sun | — |
The 728 best roofers in Foster City, 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 San Mateo, 3 mi away
90/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 66 Google reviews, open 24/7.
- 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 South San Francisco, 11 mi away
90/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 115 Google reviews, open 24/7.
- 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, 2 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 112 Google reviews, open 24/7.
- 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 Redwood City, 7 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 74 Google reviews, open 24/7.
- 4.9★ from 74 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Broadway, Redwood City, CA 94063
Based in Daly City, 14 mi away
89/100CR ScoreRanked #6 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 Hayward, 10 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 73 Google reviews, open 24/7.
- 4.9★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23839 Connecticut St, Hayward, CA 94545
Based in Alameda, 15 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in South San Francisco, 11 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 80 Google reviews, open 24/7.
- 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 San Mateo, 1 mi away
88/100CR ScoreRanked #10 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 Jose, 25 mi away
88/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 291 Google reviews, open 24/7.
- 4.8★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 888 Faulstich Ct, San Jose, CA 95112
Based in Fremont, 14 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 104 Google reviews, open 24/7.
- 4.8★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37250 Fremont Blvd, Fremont, CA 94536
Based in Fremont, 12 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 78 Google reviews, open 24/7.
- 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 Redwood Shores, 7 mi away
88/100CR ScoreRanked #14 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
Based in San Jose, 25 mi away
88/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 148 Google reviews, open 24/7.
- 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 Alameda, 11 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 46 Google reviews, open 24/7.
- 4.9★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 107 Visitacion Ave, Brisbane, CA 94005
Based in Dublin, 22 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 80 Google reviews, open 24/7.
- 5.0★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6990 Brighton Dr, Dublin, CA 94568
Based in Mountain View, 16 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 83 Google reviews, open 24/7.
- 4.8★ from 83 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 Fairchild Dr, Mountain View, CA 94043
Based in Redwood Shores, 14 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 42 Google reviews, open 24/7.
- 5.0★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hayward, 14 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 69 Google reviews, open 24/7.
- 4.8★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2551 D St, Hayward, CA 94541
Based in Mountain View, 16 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 78 Google reviews, open 24/7.
- 4.8★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 305 Tyrella Ave, Mountain View, CA 94043
Based in East Hartford, 5 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
- 5.0★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Palo Alto, 11 mi away
87/100CR ScoreRanked #23 because of its Google rating and availability: 4.8★ from 45 Google reviews, open 24/7.
- 4.8★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2105 St Francis Dr, Palo Alto, CA 94303
Based in San Francisco, 17 mi away
87/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 85 Google reviews, open 24/7.
- 4.8★ from 85 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1727 Taraval St, San Francisco, CA 94116
Based in San Mateo, 2 mi away
87/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 16 Google reviews, open 24/7.
- 4.9★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1660 S Amphlett Blvd 246 # 246, San Mateo, CA 94402
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 728 ranked roofers here; the rest are on their profiles.
Also serving Foster City
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 |
|---|---|---|
| Apex Roofing Company | 4.8★ (43) | 18 mi |
| Baron Contracting | In Foster City | |
| Barragan Roofing | 5.0★ (2) | 10 mi |
| CedarStormPro Contractors | In Foster City | |
| Central Roofing Services | 5.0★ (2) | 3 mi |
| Champ | 5.0★ (1) | In Foster City |
| Diaz Diaz Rain Gutters | 3.0★ (2) | 11 mi |
| EM Roofing | 5.0★ (2) | 9 mi |
| Gafi Builders and Design, Inc. | 5.0★ (2) | 9 mi |
| New City Roofing Co | 4.7★ (38) | 16 mi |
| NorthStar Roofing | 5.0★ (1) | In Foster City |
| Omni Glide Roofing | 4.9★ (45) | 23 mi |
| Rivera Roofing Systems Inc | 5.0★ (13) | 10 mi |
| ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco | 4.9★ (98) | 14 mi |
| San Bruno Roofing Pros | 3.0★ (2) | 6 mi |
| SF Premier Roofing & Gutters | 5.0★ (2) | 9 mi |
| Shingle Guard Roofs | In Foster City | |
| SoMa Roofing Specialists | 5.0★ (2) | 9 mi |
| Trusted Roofing | 4.7★ (40) | 18 mi |
| Wangs Roofing Inc | 1.0★ (2) | 9 mi |
How much do roofers cost in Foster City?
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 Foster City roofers
We scored 728 Foster City roofers 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 Foster City 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 |
Roofers in Foster City: frequently asked questions
Who is the best roofer in Foster City?
By CR Score, the highest-ranked roofer in Foster City, CA is NC Roofing Solution with a CR Score of 91/100. It has 5.0★ from 111 Google reviews. It is open 24/7. Spotlight Roofing Inc (#2) and Royal Roofing CA (#3) follow. We ranked 728 roofers on 8 factors, last updated October 22, 2026.
How many roofers are there in Foster City?
ContractorsRanked ranks 728 roofers serving Foster City, CA. 1 of them is based in Foster City; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which roofers in Foster City are open 24/7?
124 ranked roofers in Foster City post 24/7 hours. The highest-ranked are NC Roofing Solution (#1), Spotlight Roofing Inc (#2) and Royal Roofing CA (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which roofers in Foster City work on weekends?
411 of 728 ranked roofers post Saturday hours and 300 post Sunday hours. The highest-ranked open Saturdays are NC Roofing Solution (#1), Spotlight Roofing Inc (#2) and Royal Roofing CA (#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 Foster City?
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 Foster City roofers have?
The median Google rating among 728 rated roofers in Foster City is 4.9★, with a median of 14 reviews. Attic Pros has the most, 1,938 reviews, and ranks #30. 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 Foster City?
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 Foster City
- October 2026: CR Scores recalculated for 728 roofers serving Foster City.
- October 2026: 4 duplicate listings merged.
More roofers and Foster City pages
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