90/100CR Score
Ranked #1 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
Best Roofers in Los Altos, CA (2026)
656 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Los Altos: Los Gatos Roofing, CR Score 90/100; 4.8★ from 291 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Newhaus Roofing & Construction, posts 24/7 hours; ranked #2 of 656.
- 46
Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 656 ranked; ranked #46.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
656 Los Altos roofers are ranked here by CR Score, from 8 published factors. 106 are open 24/7, 370 open Saturdays and 266 open Sundays, based on posted hours. The median Google rating is 4.9★ across 656 rated businesses.
Top 10 roofers in Los Altos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Los Gatos Roofing | 90 | 4.8★ (291) | San Jose, 12 mi away | 24/7 | Overall |
| 2 | Newhaus Roofing & Construction | 90 | 4.9★ (148) | San Jose, 12 mi away | 24/7 | Emergencies |
| 3 | Flawless Roof Repair & Installation | 89 | 5.0★ (42) | Redwood Shores, 1 mi away | 24/7 | — |
| 4 | Mountain View Roofing | 89 | 4.8★ (83) | Mountain View, 3 mi away | 24/7 | — |
| 5 | Mountain Roofing Pro | 89 | 4.8★ (78) | Mountain View, 3 mi away | 24/7 | — |
| 6 | NC Roofing Solution | 89 | 5.0★ (111) | San Mateo, 17 mi away | 24/7 | — |
| 7 | Redwood Roofing Pro | 89 | 4.9★ (74) | Redwood City, 8 mi away | 24/7 | — |
| 8 | Specialist Roofing and Repair | 89 | 4.9★ (60) | Sunnyvale, 6 mi away | 24/7 | — |
| 9 | Roofs By Reveille, Inc | 89 | 5.0★ (73) | San Jose, 12 mi away | 24/7 | — |
| 10 | Swift Fox Fix Roofings | 89 | 4.8★ (42) | Los Altos | 24/7 | — |
The 656 best roofers in Los Altos, 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 Jose, 12 mi away
90/100CR ScoreRanked #2 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 Redwood Shores, 1 mi away
89/100CR ScoreRanked #3 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 Mountain View, 3 mi away
89/100CR ScoreRanked #4 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 Mountain View, 3 mi away
89/100CR ScoreRanked #5 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 San Mateo, 17 mi away
89/100CR ScoreRanked #6 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
Based in Redwood City, 8 mi away
89/100CR ScoreRanked #7 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 Sunnyvale, 6 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 60 Google reviews, open 24/7.
- 4.9★ from 60 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 830 Stewart Dr #245, Sunnyvale, CA 94085
Based in San Jose, 12 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 73 Google reviews, open 24/7.
- 5.0★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 545 Meridian Ave Suite D, San Jose, CA 95126
Based in Los Altos
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 42 Google reviews, open 24/7.
- 4.8★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4508 W El Camino Real, Los Altos, CA 94022
Based in Cupertino, 8 mi away
89/100CR ScoreRanked #11 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
Based in Los Altos Hills, 2 mi away
89/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 44 Google reviews, open 24/7.
- 4.8★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27862 Via Corita Way, Los Altos Hills, CA 94022
Based in Sunnyvale, 5 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
- 5.0★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 S Murphy Ave, Sunnyvale, CA 94086
Based in Fremont, 13 mi away
88/100CR ScoreRanked #14 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 Palo Alto, 4 mi away
88/100CR ScoreRanked #15 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
#16 NR Roofing
Based in Campbell, 4 mi away
88/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 155 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 155 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 8 AM–5 PM
Based in Alameda, 21 mi away
88/100CR ScoreRanked #17 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 San Mateo, 17 mi away
88/100CR ScoreRanked #18 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 Campbell, 12 mi away
88/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 290 Google reviews, listed on Google as “Roofing contractor”.
- 4.9★ from 290 Google reviews
- Hours
- Mon–Wed 8 AM–7 PM · Thu–Fri 8 AM–5 PM · Sat–Sun 9 AM–5 PM
- Address
- 1190 Dell Ave Suite O, Campbell, CA 95008
Based in Cupertino, 6 mi away
88/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 24/7.
- 5.0★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20195 Stevens Creek Blvd suite 521, Cupertino, CA 95014
Based in Fremont, 14 mi away
88/100CR 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
- 32997 Lake Michigan St, Fremont, CA 94555
#22 Redwood Roofing
Based in Capitola, 29 mi away
88/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 155 Google reviews, open 24/7.
- 5.0★ from 155 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1840 41st Ave STE 205, Capitola, CA 95010
#23 Royal Roofing CA
Based in South San Francisco, 26 mi away
88/100CR ScoreRanked #23 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, 13 mi away
88/100CR ScoreRanked #24 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 Shores, 9 mi away
88/100CR 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 656 ranked roofers here; the rest are on their profiles.
Also serving Los Altos
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 |
|---|---|---|
| Alliance Roofing Company, Inc. | 5.0★ (2) | 9 mi |
| Barragan Roofing | 5.0★ (2) | 5 mi |
| Blue Sky Roofing | 5.0★ (2) | 8 mi |
| Cardinal Roofing Co Inc | 3.0★ (2) | 2 mi |
| CGC Roofing Inc. | 5.0★ (2) | 4 mi |
| Crs Roof Consultants | 5.0★ (2) | 11 mi |
| Deluxe Los Altos Roofing | In Los Altos | |
| EM Roofing | 5.0★ (2) | 6 mi |
| Gafi Builders and Design, Inc. | 5.0★ (2) | 6 mi |
| JP Engineering and Construction | 4.4★ (7) | In Los Altos |
| Mendez Roofing | 5.0★ (2) | 12 mi |
| More Quality Roofing | 5.0★ (2) | 10 mi |
| Premier Roofing Experts | 5.0★ (9) | 11 mi |
| Roofing Guys | 5.0★ (2) | 9 mi |
| ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco | 4.9★ (98) | 28 mi |
| Safe Haven Roofing | In Los Altos | |
| San Francisco Roofing Pro | 4.8★ (85) | 32 mi |
| Shelton Roofing | 3.0★ (2) | 6 mi |
| South Bay Skyline Roofing | 5.0★ (28) | 10 mi |
| Tip Top Roofing | 5.0★ (2) | 11 mi |
How much do roofers cost in Los Altos?
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 Los Altos roofers
We scored 656 Los Altos 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 Los Altos 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 Los Altos: frequently asked questions
Who is the best roofer in Los Altos?
By CR Score, the highest-ranked roofer in Los Altos, CA is Los Gatos Roofing with a CR Score of 90/100. It has 4.8★ from 291 Google reviews. It is open 24/7. Newhaus Roofing & Construction (#2) and Flawless Roof Repair & Installation (#3) follow. We ranked 656 roofers on 8 factors, last updated October 22, 2026.
How many roofers are there in Los Altos?
ContractorsRanked ranks 656 roofers serving Los Altos, CA. 1 of them is based in Los Altos; 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 Los Altos are open 24/7?
106 ranked roofers in Los Altos post 24/7 hours. The highest-ranked are Los Gatos Roofing (#1), Newhaus Roofing & Construction (#2) and Flawless Roof Repair & Installation (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which roofers in Los Altos work on weekends?
370 of 656 ranked roofers post Saturday hours and 266 post Sunday hours. The highest-ranked open Saturdays are Los Gatos Roofing (#1), Newhaus Roofing & Construction (#2) and Flawless Roof Repair & Installation (#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 Los Altos?
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 Los Altos roofers have?
The median Google rating among 656 rated roofers in Los Altos is 4.9★, with a median of 15 reviews. Attic Pros has the most, 1,938 reviews, and ranks #46. 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 Los Altos?
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 Los Altos
- October 2026: CR Scores recalculated for 656 roofers serving Los Altos.
- October 2026: 3 duplicate listings merged.
More roofers and Los Altos pages
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Other trades in Los Altos
- Plumbers in Los Altos553 ranked
- Electricians in Los Altos423 ranked
- HVAC contractors in Los Altos498 ranked
- General contractors in Los Altos757 ranked
- Painters in Los Altos188 ranked
- Landscapers in Los Altos212 ranked
- Handymen in Los Altos95 ranked
- Kitchen remodelers in Los Altos438 ranked
- Bathroom remodelers in Los Altos407 ranked
- Flooring contractors in Los Altos249 ranked
- Tile installers in Los Altos75 ranked
- Drywall contractors in Los Altos27 ranked
- Concrete contractors in Los Altos223 ranked
- Fence contractors in Los Altos112 ranked
- Deck builders in Los Altos88 ranked
- Siding contractors in Los Altos83 ranked
- Window installers in Los Altos268 ranked
- Gutter installers in Los Altos143 ranked
- Insulation contractors in Los Altos85 ranked
- Solar installers in Los Altos256 ranked
- Garage door repair companies in Los Altos200 ranked
- Foundation repair companies in Los Altos108 ranked
- Tree services in Los Altos238 ranked
- Masonry contractors in Los Altos102 ranked
- Water damage restoration companies in Los Altos357 ranked
- Home builders in Los Altos442 ranked
- Demolition contractors in Los Altos72 ranked
- All contractors in Los Altos