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Best Roofers in Discovery Bay, CA (2026)

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

The short answer

  1. 1

    Best overall in Discovery Bay: Greener Solutions Heating & A/C, CR Score 93/100; 4.9★ from 1,197 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roof Doctors San Joaquin County, posts 24/7 hours; ranked #2 of 527.

  3. 24

    Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 527 ranked; ranked #24.

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

527 Discovery Bay roofers are ranked here by CR Score, from 8 published factors. 79 are open 24/7, 288 open Saturdays and 203 open Sundays, based on posted hours. The median Google rating is 4.9★ across 527 rated businesses.

Top 10 roofers in Discovery Bay at a glance

Top 10 roofers in Discovery Bay at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Greener Solutions Heating & A/C934.9★ (1,197)Stockton, 16 mi away24/7Overall
2Roof Doctors San Joaquin County884.7★ (186)Stockton, 15 mi away24/7Emergencies
3Roof Doctors Contra Costa County884.8★ (188)Alamo, 22 mi away24/7—
4Bay Area Pressure Pros875.0★ (80)Dublin, 22 mi away24/7—
5Roof Doctors Alameda County865.0★ (87)Alameda, 29 mi away24/7—
6Tristan & Sons Roofing & Construction LLC864.8★ (116)Pittsburg, 17 mi away24/7—
7Symplify Roofing864.9★ (55)Walnut Creek, 23 mi away24/7—
8ADC Construction854.9★ (38)Lodi, 24 mi away24/7—
9Martin Brothers Roofing854.8★ (104)Fremont, 33 mi away24/7—
10NorCal Roofing & Construction854.7★ (29)Stockton, 17 mi away24/7—

The 527 best roofers in Discovery Bay, 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.

  7. #7 Symplify Roofing

    Based in Walnut Creek, 23 mi away

    86/100CR Score

    Ranked #7 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

  11. #11 Roof By Tom

    Based in Walnut Creek, 25 mi away

    85/100CR Score

    Ranked #11 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

  14. #14 Avila Roofing

    Based in Stockton, 17 mi away

    84/100CR Score

    Ranked #14 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.

    • 5.0★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2633 S Lincoln St, Stockton, CA 95206
    View profile for Avila Roofing(209) 636-4641

  21. #21 HomeXperts

    Based in Concord, 25 mi away

    84/100CR Score

    Ranked #21 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

  24. #24 Attic Pros

    Based in Oakland, 34 mi away

    83/100CR Score

    Ranked #24 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

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

roofers in Discovery Bay, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Apollo Roofing Company835.0★ (87)26 mi
27ACR Roof Repair Inc834.9★ (33)25 mi
28Omni Glide Roofing834.9★ (45)38 mi
29Rapi Fix Roofers834.9★ (30)32 mi
30Gomez Diaz Roofing Inc835.0★ (42)19 mi
31Dragon Roofing Contractors Hayward835.0★ (37)30 mi
32Apex Shield Roofing834.9★ (42)38 mi
33Bravix Noll Roofers834.8★ (24)29 mi
34Goode Painting Co.835.0★ (25)14 mi
35Better Roofing With Travis835.0★ (9)22 mi
36Advanced Roofing El Cerrito Works825.0★ (29)38 mi
37NorCal Roofing & Construction825.0★ (24)35 mi
38Frontline Roofing824.8★ (40)37 mi
39Big Country Services825.0★ (122)38 mi
40Astounding Construction INC825.0★ (48)25 mi
41Roof-Life Construction825.0★ (7)23 mi
42Neram Roof Repair & Install824.8★ (18)12 mi
43HousePrep Gutter & Roof Services824.9★ (44)24 mi
44Dependable Roofing Inc824.9★ (96)11 mi
45Raj Roofing825.0★ (7)17 mi
46NC Roofing Solution, Inc824.9★ (249)26 mi
47Bayside Builders Group814.9★ (105)37 mi
48Regal Roofing Solutions815.0★ (21)39 mi
49Rivera Roofing Systems Inc815.0★ (13)34 mi
50Summerfield Roofing814.8★ (6)15 mi

Also serving Discovery Bay

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 Discovery Bay
BusinessGoogle ratingDistance
All Weather Roofing Company, Inc.5.0★ (2)21 mi
ALS Roofing & Construction3.0★ (2)24 mi
Apex Roofing Co5.0★ (2)22 mi
Armor Roofing4.3★ (33)36 mi
Bailey's Roofing5.0★ (2)6 mi
Baileys Roofing4.1★ (9)26 mi
Chavez Roofing5.0★ (2)13 mi
Cool-Roofing Systems, Inc.5.0★ (2)24 mi
Corum Roofing1.5★ (2)6 mi
Frontline Roofing5.0★ (19)40 mi
Oakland Roofing Pros4.6★ (25)37 mi
Octopus Handyman5.0★ (2)21 mi
Professional Powerwashing & Property Maintenance4.9★ (111)22 mi
QC RESIDENTIAL REMODELING5.0★ (12)35 mi
Ramon Garcia Roofing3.0★ (2)17 mi
Rescue Roofer4.6★ (17)34 mi
Rogers Roofing Inc.3.0★ (2)12 mi
SBE Builders5.0★ (2)In Discovery Bay
Spartan Home Services5.0★ (2)22 mi
Tracy Roofing Organization4.2★ (5)15 mi

How much do roofers cost in Discovery Bay?

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 Discovery Bay?
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 Discovery Bay roofers

We scored 527 Discovery Bay 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 Discovery Bay 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 Discovery Bay: frequently asked questions

Who is the best roofer in Discovery Bay?

By CR Score, the highest-ranked roofer in Discovery Bay, CA is Greener Solutions Heating & A/C with a CR Score of 93/100. It has 4.9★ from 1,197 Google reviews. It is open 24/7. Roof Doctors San Joaquin County (#2) and Roof Doctors Contra Costa County (#3) follow. We ranked 527 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in Discovery Bay?

ContractorsRanked ranks 527 roofers serving Discovery Bay, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which roofers in Discovery Bay are open 24/7?

79 ranked roofers in Discovery Bay post 24/7 hours. The highest-ranked are Greener Solutions Heating & A/C (#1), Roof Doctors San Joaquin County (#2) and Roof Doctors Contra Costa County (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in Discovery Bay work on weekends?

288 of 527 ranked roofers post Saturday hours and 203 post Sunday hours. The highest-ranked open Saturdays are Greener Solutions Heating & A/C (#1), Roof Doctors San Joaquin County (#2) and Roof Doctors Contra Costa County (#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 Discovery Bay?

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 Discovery Bay roofers have?

The median Google rating among 527 rated roofers in Discovery Bay is 4.9★, with a median of 13 reviews. Attic Pros has the most, 1,938 reviews, and ranks #24. 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 Discovery Bay?

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 Discovery Bay

  1. October 2026: CR Scores recalculated for 527 roofers serving Discovery Bay.
  2. October 2026: 3 duplicate listings merged.

More roofers and Discovery Bay pages

Other trades in Discovery Bay