Ranked #1 because of its Google rating and availability: 5.0★ from 312 Google reviews, open 24/7.
- 5.0★ from 312 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19817 Rinaldi St, Porter Ranch, CA 91326
666 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Quartz Hill: Alpine Roofing Guys, CR Score 92/100; 5.0★ from 312 Google reviews; open 24/7.
Best for emergencies (open 24/7): Green Ladder Roofing and Waterproofing, posts 24/7 hours; ranked #2 of 666.
Most-reviewed: My Way Roofing, 352 Google reviews at 4.9★, the most of 666 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
666 Quartz Hill roofers are ranked here by CR Score, from 8 published factors. 163 are open 24/7, 437 open Saturdays and 441 open Sundays, based on posted hours. The median Google rating is 5.0★ across 666 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Alpine Roofing Guys | 92 | 5.0★ (312) | Chatsworth, 32 mi away | 24/7 | Overall |
| 2 | Green Ladder Roofing and Waterproofing | 91 | 5.0★ (258) | Pasadena, 35 mi away | 24/7 | Emergencies |
| 3 | Domingo Brothers Roofing & Construction | 90 | 4.8★ (85) | Palmdale, 12 mi away | 24/7 | — |
| 4 | My Way Roofing | 90 | 4.9★ (352) | Calabasas, 36 mi away | 24/7 | Most reviews |
| 5 | NEMA Roofing Solutions | 90 | 5.0★ (248) | Calabasas, 38 mi away | 24/7 | — |
| 6 | SolarShoppers Construction | 89 | 4.8★ (148) | Palmdale, 5 mi away | Sat · Sun · Evenings | — |
| 7 | Moore Brothers 2 North division | 89 | 4.8★ (73) | Lancaster, 10 mi away | 24/7 | — |
| 8 | First Roofing Contractor Inc. | 89 | 5.0★ (140) | Calabasas, 36 mi away | 24/7 | — |
| 9 | EcoSmart Development & Construction | 89 | 4.9★ (211) | Los Angeles, 38 mi away | 24/7 | — |
| 10 | Woody's Roofing | 89 | 4.9★ (176) | South Pasadena, 37 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and availability: 5.0★ from 312 Google reviews, open 24/7.
Based in Pasadena, 35 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 258 Google reviews, open 24/7.
Based in Palmdale, 12 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 85 Google reviews, open 24/7.
Based in Calabasas, 36 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 352 Google reviews, the most Google reviews on this list (352).
Based in Calabasas, 38 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 248 Google reviews, open 24/7.
Based in Palmdale, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 148 Google reviews, listed on Google as “Roofing contractor”.
Based in Lancaster, 10 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 73 Google reviews, open 24/7.
Based in Calabasas, 36 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 140 Google reviews, open 24/7.
Based in Los Angeles, 38 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 211 Google reviews, open 24/7.
Based in South Pasadena, 37 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 176 Google reviews, open 24/7.
Based in Northridge, 35 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 144 Google reviews, open 24/7.
Based in Chatsworth, 36 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 263 Google reviews, listed on Google as “Roofing contractor”.
Based in San Fernando, 28 mi away
Ranked #13 because of its Google rating and availability: 4.8★ from 61 Google reviews, open 24/7.
Based in Chatsworth, 30 mi away
Ranked #14 because of its Google rating and availability: 4.8★ from 62 Google reviews, open 24/7.
Based in Sherman Oaks, 37 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 64 Google reviews, open 24/7.
Based in Palmdale, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 107 Google reviews, listed on Google as “Roofing contractor”.
Based in Santa Clarita, 24 mi away
Ranked #17 because of its Google rating and availability: 4.6★ from 51 Google reviews, open 24/7.
Based in West Hills, 39 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 81 Google reviews, open 24/7.
Based in North Hills, 32 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 58 Google reviews, open 24/7.
Based in Van Nuys, 33 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 48 Google reviews, open 24/7.
Based in Encino, 38 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 66 Google reviews, open 24/7.
Based in Malibu, 29 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 62 Google reviews, open 24/7.
Based in Lancaster, 4 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Roofing contractor”.
Based in Pasadena, 37 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 229 Google reviews, listed on Google as “Roofing contractor”.
Based in Pasadena, 35 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 49 Google reviews, open 24/7.
#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 666 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 |
|---|---|---|
| Alpha Roofing Inc | 4.5★ (2) | 5 mi |
| Atlas Roofing Company | 5.0★ (2) | 18 mi |
| Bright Shield Roofing | 4.8★ (39) | 38 mi |
| Brothers sheet metal | 3.0★ (2) | 34 mi |
| Bumble Roofing of Los Angeles | 4.8★ (135) | 38 mi |
| Central Roofing Company Northridge | 5.0★ (2) | 33 mi |
| Cis Roofing Waterproofing Solar | 5.0★ (2) | 30 mi |
| D & L Roof Systems | 4.5★ (2) | 22 mi |
| Flip It All Construction Inc. | 3.0★ (2) | 29 mi |
| Francisco's Roofing Inc. | 4.9★ (92) | 38 mi |
| Henry Brothers Roofing & Construction | 4.8★ (29) | 27 mi |
| Konrad Roofing Co | 4.5★ (2) | 33 mi |
| P.E.Y Roofing Pasadena | 5.0★ (2) | 35 mi |
| Palmetto Roofing Experts Glendale | 4.6★ (41) | 34 mi |
| Paramount Roofing Inc | 5.0★ (2) | 33 mi |
| Pro Max Roofing | 5.0★ (2) | 33 mi |
| Roofing Repairs Plus Inc | 5.0★ (2) | 10 mi |
| S N Design Remodeling Inc. | 3.0★ (2) | 35 mi |
| Sears Heating and Air Conditioning | 5.0★ (2) | 32 mi |
| Sylmar Bedrock Repair | 5.0★ (2) | 25 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 666 Quartz Hill 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.
| Factor | Weight | Computed from | In Quartz Hill data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |