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ContractorsRanked

Best Roofers in San Anselmo, CA (2026)

565 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in San Anselmo: Omber Flux Roofing, CR Score 88/100; 4.8★ from 39 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Royal Roofing CA, posts 24/7 hours; ranked #2 of 565.

  3. 37

    Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 565 ranked; ranked #37.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

565 San Anselmo roofers are ranked here by CR Score, from 8 published factors. 101 are open 24/7, 314 open Saturdays and 224 open Sundays, based on posted hours. The median Google rating is 4.9★ across 565 rated businesses.

Top 10 roofers in San Anselmo at a glance

Top 10 roofers in San Anselmo at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Omber Flux Roofing884.8★ (39)Corte Madera, 2 mi away24/7Overall
2Royal Roofing CA885.0★ (115)South San Francisco, 22 mi away24/7Emergencies
3CFY Construction Inc.885.0★ (527)Daly City, 20 mi awaySat · Sun—
4Treven Zael Roofers884.8★ (46)Sausalito, 7 mi away24/7—
5Roof Doctors Marin County874.6★ (40)Fairfax, 2 mi away24/7—
6Bay Contractors & Roofing874.8★ (69)San Francisco, 14 mi away24/7—
7Gotham Home Services875.0★ (33)Dublin, 10 mi away24/7—
8Xerlo Cast Roofers874.9★ (29)Mill Valley, 7 mi away24/7—
9San Francisco Roofing Pro874.8★ (85)San Francisco, 17 mi away24/7—
10SF Roof Specialists874.8★ (73)San Francisco, 15 mi away24/7—

The 565 best roofers in San Anselmo, 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.

  1. Ranked #1 in San Anselmo

    #1 Omber Flux Roofing

    Based in Corte Madera, 2 mi away

    88/100CR Score

    Ranked #1 because of its Google rating and availability: 4.8★ from 39 Google reviews, open 24/7.

    • 4.8★ from 39 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    250 Bon Air Rd, Greenbrae, CA 94904
    View profile for Omber Flux Roofing(628) 877-7200

  2. #2 Royal Roofing CA

    Based in South San Francisco, 22 mi away

    88/100CR Score

    Ranked #2 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
    View profile for Royal Roofing CA(408) 418-2474

  3. #3 CFY Construction Inc.

    Based in Daly City, 20 mi away

    88/100CR Score

    Ranked #3 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
    View profile for CFY Construction Inc.(650) 488-0221

  15. #15 Blake Roofing

    Based in San Francisco, 16 mi away

    86/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 42 Google reviews, open 24/7.

    • 4.9★ from 42 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1900 Mission St, San Francisco, CA 94103
    View profile for Blake Roofing(628) 500-9304

  22. #22 Frontline Roofing

    Based in Richmond, 13 mi away

    86/100CR Score

    Ranked #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
    Address
    12669 San Pablo Ave Suite 107, Richmond, CA 94805
    View profile for Frontline Roofing(530) 402-3246

  24. #24 Marina Bay Roofing

    Based in San Francisco, 14 mi away

    86/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Roofing contractor”.

    • 5.0★ from 102 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 10 AM–2 PM
    Address
    4411 Geary Blvd # 301, San Francisco, CA 94118
    View profile for Marina Bay Roofing(628) 233-8140

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 565 ranked roofers here; the rest are on their profiles.

roofers in San Anselmo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Spotlight Roofing Inc855.0★ (66)31 mi
27Roof Doctors Alameda County855.0★ (87)35 mi
28Atlas Roofing855.0★ (83)15 mi
29ELM Roofing Contractors Inc855.0★ (112)19 mi
30ROOF EXPRESS855.0★ (83)17 mi
31Hayes Brothers Roofers LLC854.9★ (73)33 mi
32NC Roofing Solution Inc855.0★ (6)6 mi
33RTR Roofing of San Francisco854.7★ (19)15 mi
34Symplify Roofing854.9★ (55)30 mi
35Bay Area Pressure Pros855.0★ (80)39 mi
36Roof Doctor854.8★ (16)15 mi
37Attic Pros844.8★ (1,938)27 mi
38Roof By Tom844.8★ (48)27 mi
39Roof Doctors Napa County844.9★ (45)29 mi
40ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco844.9★ (98)19 mi
41Metal Roofing San Francisco845.0★ (52)16 mi
42Carl & Sons Roofing & Remodeling LLC844.9★ (112)35 mi
43Apollo Roofing Company845.0★ (58)16 mi
44Hayward Roofing Pro844.8★ (69)34 mi
45Oakland Roofing Pros844.6★ (25)20 mi
46G&T Brothers Roofing845.0★ (24)18 mi
47Efficient Santa Rosa Roofing Co.845.0★ (39)33 mi
48Golden Heights Roofing845.0★ (25)28 mi
49NorCal Roofing & Construction845.0★ (24)27 mi
50Redwood Roofing Pro844.9★ (74)39 mi

Also serving San Anselmo

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.

Unranked roofers serving San Anselmo
BusinessGoogle ratingDistance
Ace Roofing East Bay5.0★ (2)19 mi
AG Construction5.0★ (6)In San Anselmo
Apex Roofing Company4.8★ (43)15 mi
Bravix Noll Roofers4.8★ (24)26 mi
Condor ConstructionIn San Anselmo
EcoPeak Roofing5.0★ (2)17 mi
Edri Construction5.0★ (2)6 mi
Home Roofing & Siding Co5.0★ (2)18 mi
Lake Michigan Roofing Pro4.8★ (78)39 mi
Lazcano Roofing5.0★ (2)14 mi
Mike's Roofing4.9★ (8)16 mi
New City Roofing Co4.7★ (38)17 mi
Rhinos Roofing Company LLC3.0★ (2)13 mi
Roofing Guys5.0★ (2)12 mi
San Francisco Roofing Service4.8★ (44)14 mi
Sears Heating and Air Conditioning3.0★ (2)14 mi
Simon Roofing5.0★ (2)16 mi
Skyline Shield Roofers5.0★ (2)16 mi
The Lawson Roofing Co., Inc.3.0★ (2)18 mi
Trusted Roofing4.7★ (40)16 mi

How much do roofers cost in San Anselmo?

Typical prices in USD: adjusted for California where a published index exists, national otherwise. Each row names its basis.

How much do roofers cost in San Anselmo?
JobLowTypicalHighBasisChecked
Roof replacement$8,560$11,420$15,990Per 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$1,968Per repair: typical range of customer-reported jobs. US national rangeOctober 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).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 San Anselmo roofers

We scored 565 San Anselmo 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn San Anselmo data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Roofers in San Anselmo: frequently asked questions

Who is the best roofer in San Anselmo?

By CR Score, the highest-ranked roofer in San Anselmo, CA is Omber Flux Roofing with a CR Score of 88/100. It has 4.8★ from 39 Google reviews. It is open 24/7. Royal Roofing CA (#2) and CFY Construction Inc. (#3) follow. We ranked 565 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in San Anselmo?

ContractorsRanked ranks 565 roofers serving San Anselmo, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which roofers in San Anselmo are open 24/7?

101 ranked roofers in San Anselmo post 24/7 hours. The highest-ranked are Omber Flux Roofing (#1), Royal Roofing CA (#2) and Treven Zael Roofers (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in San Anselmo work on weekends?

314 of 565 ranked roofers post Saturday hours and 224 post Sunday hours. The highest-ranked open Saturdays are Omber Flux Roofing (#1), Royal Roofing CA (#2) and CFY Construction Inc. (#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 San Anselmo?

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 San Anselmo roofers have?

The median Google rating among 565 rated roofers in San Anselmo is 4.9★, with a median of 13 reviews. Attic Pros has the most, 1,938 reviews, and ranks #37. 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 San Anselmo?

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 San Anselmo

  1. October 2026: CR Scores recalculated for 565 roofers serving San Anselmo.
  2. October 2026: 2 duplicate listings merged.

More roofers and San Anselmo pages

Other trades in San Anselmo