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Best Roofers in San Dimas, CA (2026)

1,963 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in San Dimas: Green Ladder Roofing and Waterproofing, CR Score 91/100; 5.0★ from 258 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): All In Roofing, posts 24/7 hours; ranked #2 of 1,963.

  3. 31

    Most-reviewed: Home Renew 360 Roofing I Construction I Energy, 705 Google reviews at 4.8★, the most of 1,963 ranked; ranked #31.

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

1,963 San Dimas roofers are ranked here by CR Score, from 8 published factors. 473 are open 24/7, 1,351 open Saturdays and 1,037 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,963 rated businesses.

Top 10 roofers in San Dimas at a glance

Top 10 roofers in San Dimas at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Green Ladder Roofing and Waterproofing915.0★ (258)Pasadena, 19 mi away24/7Overall
2All In Roofing905.0★ (213)Los Angeles, 22 mi away24/7Emergencies
3Specialist Roofing & Repair904.9★ (247)Orange, 22 mi away24/7—
4Woody's Roofing894.9★ (176)South Pasadena, 20 mi away24/7—
5Roofing and More, LLC894.8★ (168)Jurupa Valley, 19 mi away24/7—
6Cali Roofing Solutions885.0★ (87)Corona, 22 mi away24/7—
7Brilliant Roofing884.9★ (106)El Monte, 14 mi away24/7—
8Hercules Roofing875.0★ (116)Huntington Beach, 29 mi away24/7—
9Ontario Roofing874.9★ (48)Ontario, 15 mi away24/7—
10XenoFix Pro Roofers874.9★ (34)Arcadia, 10 mi away24/7—

The 1,963 best roofers in San Dimas, 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.

  2. #2 All In Roofing

    Based in Los Angeles, 22 mi away

    90/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 213 Google reviews, open 24/7.

    • 5.0★ from 213 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    800 S Eastman Ave, Los Angeles, CA 90023
    View profile for All In Roofing(323) 287-2407

  4. #4 Woody's Roofing

    Based in South Pasadena, 20 mi away

    89/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 176 Google reviews, open 24/7.

    • 4.9★ from 176 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1415 Monterey Rd #110, South Pasadena, CA 91030
    View profile for Woody's Roofing(818) 583-0850

  7. #7 Brilliant Roofing

    Based in El Monte, 14 mi away

    88/100CR Score

    Ranked #7 because of its Google rating and availability: 4.9★ from 106 Google reviews, open 24/7.

    • 4.9★ from 106 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4439 Rowland Ave #1250, El Monte, CA 91731
    View profile for Brilliant Roofing(626) 604-0714

  8. #8 Hercules Roofing

    Based in Huntington Beach, 29 mi away

    87/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 116 Google reviews, open 24/7.

    • 5.0★ from 116 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7755 Center Avenue suite 1100, Unit B, Huntington Beach, CA 92647
    View profile for Hercules Roofing(949) 301-8984

  9. #9 Ontario Roofing

    Based in Ontario, 15 mi away

    87/100CR Score

    Ranked #9 because of its Google rating and availability: 4.9★ from 48 Google reviews, open 24/7.

    • 4.9★ from 48 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4335 E Lowell St STE G, Ontario, CA 91761
    View profile for Ontario Roofing(909) 330-4661

  12. #12 NEMA Roofing

    Based in Downey, 22 mi away

    87/100CR Score

    Ranked #12 because of its Google rating and availability: 5.0★ from 58 Google reviews, open 24/7.

    • 5.0★ from 58 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8211 Firestone Blvd, Downey, CA 90241
    View profile for NEMA Roofing(866) 214-0006

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 1,963 ranked roofers here; the rest are on their profiles.

roofers in San Dimas, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Fixology Pro Roofers864.7★ (14)4 mi
27Fox Roofing Company865.0★ (72)30 mi
28Tylzen Spoke Roofing864.8★ (35)15 mi
29Venice Beach Roofing864.7★ (67)20 mi
30Cabral Roofing & Waterproofing864.6★ (9)In San Dimas
31Home Renew 360 Roofing I Construction I Energy864.8★ (705)30 mi
32Granger Roofing865.0★ (25)17 mi
33ND Roofing Inc865.0★ (10)5 mi
341st Roofing Solution Anaheim CA865.0★ (37)23 mi
35Montebello Roofing Construction864.7★ (49)19 mi
36Meyers Roofing Co864.8★ (94)29 mi
37Kaliber Roofing Inc864.8★ (82)8 mi
38Red Turtle Roofing of Pasadena865.0★ (26)19 mi
39Martin Roofing Services, Inc.865.0★ (20)8 mi
40Garden Grove Roof Pros865.0★ (42)25 mi
41Corona Roofing & Siding854.8★ (34)19 mi
42Urban Roofing855.0★ (41)26 mi
43All Seasons Roofing Improvement854.8★ (74)19 mi
44The Affordable Roofers855.0★ (70)14 mi
45Green Advisor Inc.855.0★ (253)32 mi
46Rapid Roofing Los Angeles Solutions855.0★ (44)28 mi
47Dreyfuss Grading854.6★ (9)5 mi
48Shingle Guard Roofs855.0★ (29)23 mi
49AMC Pro Roofing INC855.0★ (7)6 mi
50Specialist Roofing & Repair854.8★ (90)33 mi

Also serving San Dimas

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 Dimas
BusinessGoogle ratingDistance
American Highland Roofing4.7★ (57)21 mi
Apex Roofing Co5.0★ (2)7 mi
Built Services, Inc.5.0★ (2)5 mi
Claremont Intuition Free Evaluation Roof Repair5.0★ (2)5 mi
Cortez Roofing3.5★ (2)6 mi
Duralast Roofing5.0★ (2)2 mi
Echols Acoustics3.0★ (1)In San Dimas
Economy roofing3.0★ (2)6 mi
Elvora Sync Roofing4.7★ (24)18 mi
EverLast Roofing Repair Service La Puente5.0★ (2)9 mi
FlowRoof Repair Services5.0★ (2)4 mi
Francisco's Roofing Inc.4.9★ (92)23 mi
JE HOME CONSTRUCTION5.0★ (2)8 mi
Latinos Home Solutions, Inc.5.0★ (2)5 mi
Luans roofing Inc5.0★ (2)9 mi
Perry Color CardIn San Dimas
Roofing Specialists Montebello4.8★ (32)19 mi
SG Roofing LLC5.0★ (44)28 mi
Titan Roofing Inc5.0★ (2)4 mi
Wm.T.Nelson Roofing and construction3.0★ (2)3 mi

How much do roofers cost in San Dimas?

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 Dimas?
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 Dimas roofers

We scored 1,963 San Dimas 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 Dimas 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 Dimas: frequently asked questions

Who is the best roofer in San Dimas?

By CR Score, the highest-ranked roofer in San Dimas, CA is Green Ladder Roofing and Waterproofing with a CR Score of 91/100. It has 5.0★ from 258 Google reviews. It is open 24/7. All In Roofing (#2) and Specialist Roofing & Repair (#3) follow. We ranked 1,963 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in San Dimas?

ContractorsRanked ranks 1,963 roofers serving San Dimas, CA. 1 of them is based in San Dimas; 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 San Dimas are open 24/7?

473 ranked roofers in San Dimas post 24/7 hours. The highest-ranked are Green Ladder Roofing and Waterproofing (#1), All In Roofing (#2) and Specialist Roofing & Repair (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in San Dimas work on weekends?

1,351 of 1,963 ranked roofers post Saturday hours and 1,037 post Sunday hours. The highest-ranked open Saturdays are Green Ladder Roofing and Waterproofing (#1), All In Roofing (#2) and Specialist Roofing & Repair (#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 Dimas?

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 Dimas roofers have?

The median Google rating among 1,963 rated roofers in San Dimas is 5.0★, with a median of 13 reviews. Home Renew 360 Roofing I Construction I Energy has the most, 705 reviews, and ranks #31. 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 Dimas?

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 Dimas

  1. October 2026: CR Scores recalculated for 1,963 roofers serving San Dimas.
  2. October 2026: 14 duplicate listings merged.

More roofers and San Dimas pages

Other trades in San Dimas