1,754 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in West Islip: King Quality Roofing and Siding, CR Score 64/100; 4.9★ from 2,901 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Paragon Chimney & Roofing of Long Island, posts 24/7 hours; ranked #2 of 1,754.
Most-reviewed: Right Angle Roofing & Siding, 871 Google reviews at 5.0★, the most of 1,754 ranked after King Quality Roofing and Siding; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,754 West Islip roofers are ranked here by CR Score, from ten published factors. 552 are open 24/7, 1,457 open Saturdays and 1,043 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,754 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | King Quality Roofing and Siding | 64 | 4.9★ (2,901) | Bohemia, 12 mi away | Sat · Sun · Evenings | Overall |
| 2 | Paragon Chimney & Roofing of Long Island | 63 | 5.0★ (204) | Farmingdale, 7 mi away | 24/7 | Emergencies |
| 3 | Ned Stevens Gutter Cleaning | 63 | 4.6★ (789) | Brentwood, 7 mi away | 24/7 | — |
| 4 | Long Island Roofing | 63 | 4.9★ (359) | North Bellmore, 12 mi away | 24/7 | — |
| 5 | Eagle Roofing Contractor Inc. | 63 | 4.7★ (526) | Commack, 9 mi away | 24/7 | — |
| 6 | Nisi Home Improvement Inc. Roofing & Siding | 63 | 5.0★ (225) | Levittown, 11 mi away | 24/7 | — |
| 7 | Top Notch Roofing | 63 | 5.0★ (236) | Sayville, 12 mi away | 24/7 | — |
| 8 | ADU Water Fire Mold Storm | 62 | 4.9★ (257) | Bethpage, 11 mi away | 24/7 | — |
| 9 | Muller Gutters LLC | 62 | 5.0★ (254) | Haledon, 4 mi away | Sat · Sun · Evenings | — |
| 10 | Safeguard Roofing | 62 | 5.0★ (580) | Bohemia, 12 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,901 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmingdale, 7 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 204 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 789 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Bellmore, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 359 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commack, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 526 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Levittown, 11 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 225 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sayville, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 236 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethpage, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 257 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haledon, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 254 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 12 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 580 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Patchogue, 17 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 871 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmingdale, 6 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 683 Google reviews, listed on Google as “Roofing contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Port Jefferson Station, 19 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 555 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 12 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Selden, 18 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 372 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Massapequa, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 114 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bayport, 6 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Babylon, 1 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fresh Meadows, 26 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 491 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 12 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stamford, 26 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 560 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Melville, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brooklyn, 34 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 808 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 12 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holbrook, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 130 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 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 1,754 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 |
|---|---|---|
| All In Asset Management | 5.0★ (2) | 12 mi |
| Arciles General Contracting | 5.0★ (2) | 6 mi |
| ARLO ROOFING | 5.0★ (139) | 15 mi |
| Cee & Gee Roofing Co Inc | 5.0★ (2) | 1 mi |
| Clearview Roofing & Construction - Port Washington | 4.9★ (135) | 22 mi |
| Delta Roofing Long Island | 5.0★ (74) | 17 mi |
| Efficient Fast Construction Corporation | 3.0★ (2) | 9 mi |
| Green Giant Roofing and Solar | In West Islip | |
| Home Works Home Improvement | 5.0★ (2) | 8 mi |
| J.S. Construction Co. | 3.0★ (2) | 8 mi |
| Keenridge Construction Corp. | 5.0★ (24) | 5 mi |
| Mici Construction INC | 5.0★ (2) | 8 mi |
| Murtha Construction | 4.1★ (12) | In West Islip |
| My Friends Construction | 5.0★ (2) | 11 mi |
| Precision Home Construction | Roofing, Siding, Chimney, Deck, Gutter | 4.9★ (95) | 18 mi |
| R&S Quality Construction | 5.0★ (2) | In West Islip |
| Roof Repair Long Island | 5.0★ (27) | 6 mi |
| Shesh Contractors and Builders, Inc. | 5.0★ (3) | In West Islip |
| West Islip Dormers and Home Extensions: Cavalier Homes Inc. | 4.4★ (7) | In West Islip |
| Zajac Doors and Windows | In West Islip |
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 1,754 West Islip 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 West Islip 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 |