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ContractorsRanked

Best Roofers in Alamo, CA (2026)

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

The short answer

  1. 1

    Best overall in Alamo: Roof Doctors Contra Costa County, CR Score 91/100; 4.8★ from 188 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roof Doctors Alameda County, posts 24/7 hours; ranked #2 of 772.

  3. 13

    Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 772 ranked; ranked #13.

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

772 Alamo roofers are ranked here by CR Score, from 8 published factors. 130 are open 24/7, 439 open Saturdays and 315 open Sundays, based on posted hours. The median Google rating is 4.9★ across 772 rated businesses.

Top 10 roofers in Alamo at a glance

Top 10 roofers in Alamo at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roof Doctors Contra Costa County914.8★ (188)Alamo24/7Overall
2Roof Doctors Alameda County895.0★ (87)Alameda, 12 mi away24/7Emergencies
3Bay Area Pressure Pros895.0★ (80)Dublin, 11 mi away24/7—
4Greener Solutions Heating & A/C894.9★ (1,197)Stockton, 40 mi away24/7—
5Symplify Roofing894.9★ (55)Walnut Creek, 6 mi away24/7—
6Roof By Tom884.8★ (48)Walnut Creek, 4 mi away24/7—
7Royal Roofing CA885.0★ (115)South San Francisco, 25 mi away24/7—
8Hayes Brothers Roofers LLC884.9★ (73)Hayward, 16 mi away24/7—
9Hayward Roofing Pro884.8★ (69)Hayward, 12 mi away24/7—
10NC Roofing Solution875.0★ (111)San Mateo, 26 mi away24/7—

The 772 best roofers in Alamo, 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.

  5. #5 Symplify Roofing

    Based in Walnut Creek, 6 mi away

    89/100CR Score

    Ranked #5 because of its Google rating and availability: 4.9★ from 55 Google reviews, open 24/7.

    • 4.9★ from 55 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2815 Mitchell Dr #225, Walnut Creek, CA 94598
    View profile for Symplify Roofing(510) 288-6171

  6. #6 Roof By Tom

    Based in Walnut Creek, 4 mi away

    88/100CR Score

    Ranked #6 because of its Google rating and availability: 4.8★ from 48 Google reviews, open 24/7.

    • 4.8★ from 48 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1990 N California Blvd 8th floor floor, Walnut Creek, CA 94596
    View profile for Roof By Tom(925) 239-0226

  7. #7 Royal Roofing CA

    Based in South San Francisco, 25 mi away

    88/100CR Score

    Ranked #7 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

  12. #12 CFY Construction Inc.

    Based in Daly City, 26 mi away

    87/100CR Score

    Ranked #12 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

  13. #13 Attic Pros

    Based in Oakland, 11 mi away

    87/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most Google reviews on this list (1,938).

    • 4.8★ from 1,938 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    718 Douglas Ave, Oakland, CA 94603
    View profile for Attic Pros(800) 543-0382

  22. #22 HomeXperts

    Based in Concord, 9 mi away

    86/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.

    • 5.0★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2150 John Glenn Dr Suite 250, Concord, CA 94520
    View profile for HomeXperts(925) 465-0404

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.

roofers in Alamo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26NorCal Roofing & Construction865.0★ (24)13 mi
27South San Roofing Pro864.9★ (80)26 mi
28SF Roof Specialists864.8★ (73)22 mi
29ACR Roof Repair Inc864.9★ (33)8 mi
30Dragon Roofing Contractors Hayward865.0★ (37)12 mi
31HousePrep Gutter & Roof Services864.9★ (44)In Alamo
32Astounding Construction INC865.0★ (48)4 mi
33Redwood Roofing Pro864.9★ (74)27 mi
34Newhaus Roofing & Construction864.9★ (148)36 mi
35Rapi Fix Roofers864.9★ (30)17 mi
36San Francisco Roofing Pro864.8★ (85)26 mi
37Blake Roofing854.9★ (42)22 mi
38Gotham Home Services855.0★ (33)21 mi
39Prime Edge Roofing854.9★ (46)23 mi
40Bay Contractors & Roofing854.8★ (69)25 mi
41Carl & Sons Roofing & Remodeling LLC854.9★ (112)26 mi
42Bayside Builders Group854.9★ (105)14 mi
43NC Roofing Solution, Inc854.9★ (249)4 mi
44Oakland Roofing Pro854.8★ (36)12 mi
45Atlas Roofing855.0★ (83)16 mi
46Premier Roofing Solutions854.8★ (39)22 mi
47Epic Roof Replacement855.0★ (57)11 mi
48Frontline Roofing855.0★ (19)17 mi
49Oakland Roofing Pros854.6★ (25)13 mi
50Mountain View Roofing854.8★ (83)31 mi

Also serving Alamo

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 Alamo
BusinessGoogle ratingDistance
Anza Builders5.0★ (26)In Alamo
Apex Roofing Company4.8★ (43)25 mi
Concord Roofing5.0★ (1)In Alamo
Deck Doctors4.6★ (12)In Alamo
Discovery Builders, Inc.2.3★ (6)In Alamo
DMV Roofing Contractors5.0★ (2)5 mi
Fautt Homes5.0★ (7)In Alamo
Five Star General Contractor5.0★ (1)In Alamo
Mountain Roofing Pro4.8★ (78)31 mi
New City Roofing Co4.7★ (38)22 mi
R L Ziegenbein Construction Co5.0★ (1)In Alamo
Roof Doctors Solano County4.7★ (87)29 mi
Roof-Life Construction5.0★ (7)9 mi
Rooferserve Roofing5.0★ (2)In Alamo
ROOFWORX Inc. – Licensed Roofing Contractor in San Francisco4.9★ (98)22 mi
Spartan Home Services5.0★ (2)In Alamo
Sun Valley Roofing4.5★ (2)7 mi
Treven Zael Roofers4.8★ (46)27 mi
United Constructors Inc.4.9★ (48)In Alamo
Walnut Creek Construction and Remodeling Company5.0★ (25)In Alamo

How much do roofers cost in Alamo?

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 Alamo?
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 Alamo roofers

We scored 772 Alamo 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 Alamo 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 Alamo: frequently asked questions

Who is the best roofer in Alamo?

By CR Score, the highest-ranked roofer in Alamo, CA is Roof Doctors Contra Costa County with a CR Score of 91/100. It has 4.8★ from 188 Google reviews. It is open 24/7. Roof Doctors Alameda County (#2) and Bay Area Pressure Pros (#3) follow. We ranked 772 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in Alamo?

ContractorsRanked ranks 772 roofers serving Alamo, CA. 2 of them are based in Alamo; 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 Alamo are open 24/7?

130 ranked roofers in Alamo post 24/7 hours. The highest-ranked are Roof Doctors Contra Costa County (#1), Roof Doctors Alameda County (#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 Alamo work on weekends?

439 of 772 ranked roofers post Saturday hours and 315 post Sunday hours. The highest-ranked open Saturdays are Roof Doctors Contra Costa County (#1), Roof Doctors Alameda County (#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 Alamo?

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 Alamo roofers have?

The median Google rating among 772 rated roofers in Alamo is 4.9★, with a median of 14 reviews. Attic Pros has the most, 1,938 reviews, and ranks #13. 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 Alamo?

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 Alamo

  1. October 2026: CR Scores recalculated for 772 roofers serving Alamo.
  2. October 2026: 4 duplicate listings merged.

More roofers and Alamo pages

Other trades in Alamo