1,434 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Islip: Top Notch Roofing, CR Score 92/100; 5.0★ from 236 Google reviews; open 24/7.
Best for emergencies (open 24/7): Rapid Roofing, posts 24/7 hours; ranked #3 of 1,434.
Most-reviewed: King Quality Roofing and Siding, 2,901 Google reviews at 4.9★, the most of 1,434 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,434 Islip roofers are ranked here by CR Score, from 8 published factors. 418 are open 24/7, 1,176 open Saturdays and 813 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,434 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Top Notch Roofing | 92 | 5.0★ (236) | Sayville, 7 mi away | 24/7 | Overall |
| 2 | King Quality Roofing and Siding | 92 | 4.9★ (2,901) | Bohemia, 7 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Rapid Roofing | 91 | 4.9★ (555) | Port Jefferson Station, 15 mi away | 24/7 | Emergencies |
| 4 | Ready Roof | 91 | 5.0★ (166) | Bohemia, 7 mi away | 24/7 | — |
| 5 | Ned Stevens Gutter Cleaning | 91 | 4.6★ (789) | Brentwood, 4 mi away | 24/7 | — |
| 6 | Paragon Chimney & Roofing of Long Island | 91 | 5.0★ (204) | Farmingdale, 11 mi away | 24/7 | — |
| 7 | Universal Roofing & Chimney Of Li Inc. | 90 | 4.9★ (372) | Selden, 13 mi away | 24/7 | — |
| 8 | Eagle Roofing Contractor Inc. | 90 | 4.7★ (526) | Commack, 8 mi away | 24/7 | — |
| 9 | Triple Crown Exteriors - Roofing and Siding | 90 | 5.0★ (112) | Bohemia, 7 mi away | 24/7 | — |
| 10 | Nisi Home Improvement Inc. Roofing & Siding | 90 | 5.0★ (225) | Levittown, 16 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 5.0★ from 236 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,901 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Jefferson Station, 15 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 555 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 7 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 166 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brentwood, 4 mi away
Ranked #5 because of its Google rating and availability: 4.6★ from 789 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Farmingdale, 11 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 204 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Selden, 13 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 372 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Commack, 8 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 526 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 7 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 112 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Levittown, 16 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 225 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 7 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 580 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Patchogue, 11 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 871 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Bellmore, 18 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 359 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Holbrook, 7 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 130 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bethpage, 15 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 257 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Patchogue, 10 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nesconset, 8 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bayport, 7 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 95 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Farmingdale, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 683 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Medford, 13 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 103 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fresh Meadows, 31 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 491 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Stamford, 28 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 560 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Massapequa, 12 mi away
Ranked #23 because of its Google rating and availability: 4.9★ from 114 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 6 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sayville, 7 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 72 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 1,434 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 |
|---|---|---|
| 1st Choice Roofing Co. | 3.0★ (2) | 9 mi |
| A Oliveri Siding and Remodeling Inc | 5.0★ (2) | 8 mi |
| All In Asset Management | 5.0★ (2) | 7 mi |
| All Island Pro Roofing & Chimney | 4.8★ (32) | 7 mi |
| Arciles General Contracting | 5.0★ (2) | 11 mi |
| ARLO ROOFING | 5.0★ (139) | 10 mi |
| August Construction Corp. metal work, brick concrete work fence, painting roofing | 4.5★ (2) | 10 mi |
| B&E Pro Construction Corp | 5.0★ (2) | 3 mi |
| Cee & Gee Roofing Co Inc | 5.0★ (2) | 5 mi |
| Efficient Fast Construction Corporation | 3.0★ (2) | 14 mi |
| Epic Roof Replacement & Repair | In Islip | |
| Forever Slate Roofing | 5.0★ (2) | 7 mi |
| Home Works Home Improvement | 5.0★ (2) | 6 mi |
| Huntington Station Roofing | 5.0★ (2) | 14 mi |
| Incredible Home Improvements, LLC | 5.0★ (2) | 11 mi |
| J.S. Construction Co. | 3.0★ (2) | 6 mi |
| JJM Roofing & Waterproofing | 4.9★ (93) | 18 mi |
| Mici Construction INC | 5.0★ (2) | 6 mi |
| Roof USA - New York | 5.0★ (2) | 10 mi |
| Summit Roofing, Inc. | 3.0★ (2) | 15 mi |
Typical prices in USD: adjusted for New York where a published index exists, national otherwise. Each row names its basis.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Roof replacement | $8,750 | $11,670 | $16,340 | Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.17 Middle Atlantic 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 New York, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
We scored 1,434 Islip 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 Islip 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 |