2,017 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westmont: All In Roofing, CR Score 65/100; 5.0★ from 213 Google reviews; open 24/7.
Best for emergencies (open 24/7): All Things Roofing LA, posts 24/7 hours; ranked #2 of 2,017.
Most-reviewed: Home Renew 360 Roofing I Construction I Energy, 705 Google reviews at 4.8★, the most of 2,017 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
2,017 Westmont roofers are ranked here by CR Score, from ten published factors. 497 are open 24/7, 1,388 open Saturdays and 1,165 open Sundays, based on posted hours. The median Google rating is 5.0★ across 2,017 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All In Roofing | 65 | 5.0★ (213) | Los Angeles, 9 mi away | 24/7 | Overall |
| 2 | All Things Roofing LA | 65 | 4.9★ (141) | Inglewood, 2 mi away | 24/7 | Emergencies |
| 3 | Home Renew 360 Roofing I Construction I Energy | 65 | 4.8★ (705) | Long Beach, 9 mi away | Sat · Sun | Most reviews |
| 4 | Green Ladder Roofing and Waterproofing | 64 | 5.0★ (258) | Pasadena, 17 mi away | 24/7 | — |
| 5 | Green Advisor Inc. | 64 | 5.0★ (253) | Los Angeles, 10 mi away | Sat · Sun · Evenings | — |
| 6 | My Way Roofing | 63 | 4.9★ (352) | Calabasas, 22 mi away | 24/7 | — |
| 7 | NEMA Roofing Solutions | 63 | 5.0★ (248) | Calabasas, 20 mi away | 24/7 | — |
| 8 | ECO Systems | 63 | 5.0★ (212) | Northridge, 8 mi away | Sat · Sun · Evenings | — |
| 9 | San Gabriel Contractor Stucco Drywall Roofing Painting | 63 | 5.0★ (184) | Alhambra, 6 mi away | Sat · Sun · Evenings | — |
| 10 | Roof Buddy | 63 | 4.8★ (354) | Los Angeles, 9 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 213 Google reviews, listed on Google as “Roofing contractor”.
Based in Inglewood, 2 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Roofing contractor”.
Based in Long Beach, 9 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 705 Google reviews, the most in Westmont.
Based in Pasadena, 17 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 10 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Roofing contractor”.
Based in Calabasas, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 352 Google reviews, listed on Google as “Roofing contractor”.
Based in Calabasas, 20 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Roofing contractor”.
Based in Northridge, 8 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “Roofing contractor”.
Based in Alhambra, 6 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 184 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 9 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 354 Google reviews, listed on Google as “Roofing contractor”.
Based in South Pasadena, 15 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Roofing contractor”.
Based in Calabasas, 24 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 287 Google reviews, listed on Google as “Roofing contractor”.
Based in Hawthorne, 3 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 74 Google reviews, listed on Google as “Roofing contractor”.
Based in Chatsworth, 28 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 312 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 9 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 357 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 8 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Roofing contractor”.
Based in Inglewood, 1 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 127 Google reviews, listed on Google as “Roofing contractor”.
Based in Inglewood, 4 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 9 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “Roofing contractor”.
Based in Calabasas, 21 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 140 Google reviews, listed on Google as “Roofing contractor”.
Based in Downey, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Roofing contractor”.
Based in Agoura Hills, 23 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 164 Google reviews, listed on Google as “Roofing contractor”.
Based in Los Angeles, 7 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Roofing contractor”.
#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 2,017 ranked roofers here; the rest are on their profiles.
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 |
|---|---|---|
| Aateam Roofing Repair & Install | 4.7★ (33) | 5 mi |
| Above Chimney Sweep | 5.0★ (2) | 5 mi |
| Ace Tek Roofing Co. | 5.0★ (2) | 2 mi |
| Affordable Home Services | 5.0★ (2) | 6 mi |
| All City Roofing | 4.7★ (45) | 8 mi |
| Andy's Maintenance | 5.0★ (2) | 4 mi |
| Aqua Renovations, LLC | In Westmont | |
| Community Roofing Experts | 3.5★ (2) | 6 mi |
| CrestPeak Roofing Repair Service Los Angeles | 5.0★ (2) | 2 mi |
| Culver City Roofing Specialists | 4.8★ (35) | 6 mi |
| Desert Sun Roofing Torrance | 4.7★ (55) | 9 mi |
| DM Construction | 2.5★ (2) | 6 mi |
| Expert Roofing and Gutters. | 5.0★ (2) | 6 mi |
| Francisco's Roofing Inc. | 4.9★ (92) | 12 mi |
| Ichiban Roofing | Torrance, CA | 4.7★ (36) | 5 mi |
| JC Roofing | 3.0★ (2) | 5 mi |
| LA Roofing Contractors | 4.8★ (55) | 10 mi |
| Mariam Long Beach ADU Builders | 4.8★ (47) | 10 mi |
| Mario Bros. Roofing | 5.0★ (2) | 6 mi |
| Ortega's Quality Construction | 5.0★ (2) | 5 mi |
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 |
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).
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
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.
We scored 2,017 Westmont roofers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Westmont data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |