273 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Williamsville: Buffalo's Best Roofing Company LLC, CR Score 68/100; 4.9★ from 576 Google reviews; open 24/7.
Best for emergencies (open 24/7): Buffalo Roofing, posts 24/7 hours; ranked #2 of 273.
Most-reviewed: AVA Roofing & Siding, 561 Google reviews at 4.8★, the most of 273 ranked after Buffalo's Best Roofing Company LLC; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
273 Williamsville roofers are ranked here by CR Score, from ten published factors. 50 are open 24/7, 144 open Saturdays and 75 open Sundays, based on posted hours. The median Google rating is 4.7★ across 273 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Buffalo's Best Roofing Company LLC | 68 | 4.9★ (576) | Cheektowaga, 2 mi away | 24/7 | Overall |
| 2 | Buffalo Roofing | 67 | 4.8★ (379) | Williamsville | 24/7 | Emergencies |
| 3 | Graves Brothers Home Improvement | 67 | 4.7★ (494) | Williamsville | 24/7 | — |
| 4 | OConnor Contracting | 66 | 4.9★ (268) | Buffalo, 5 mi away | 24/7 | — |
| 5 | King Remodeling Corp roofing contractor | 65 | 5.0★ (177) | Buffalo, 6 mi away | 24/7 | — |
| 6 | DSS Roofing | 63 | 5.0★ (87) | Buffalo, 6 mi away | 24/7 | — |
| 7 | Mann Roofing and Remodeling | 63 | 4.8★ (129) | Buffalo, 8 mi away | 24/7 | — |
| 8 | JP Construction | 63 | 4.9★ (80) | North Tonawanda, 8 mi away | 24/7 | — |
| 9 | Expert Contracting | 63 | 4.9★ (173) | West Seneca, 8 mi away | Sat · Sun · Evenings | — |
| 10 | Lifetime Siding, Roofing and Construction | 62 | 4.9★ (116) | Buffalo, 4 mi away | 24/7 | — |
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 review volume: 4.9★ from 576 Google reviews, the most in Williamsville.
Based in Williamsville
Ranked #2 because of its Google rating and trade focus: 4.8★ from 379 Google reviews, listed on Google as “Roofing contractor”.
Based in Williamsville
Ranked #3 because of its Google rating and trade focus: 4.7★ from 494 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 6 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 177 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 8 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 129 Google reviews, listed on Google as “Roofing contractor”.
Based in North Tonawanda, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Roofing contractor”.
Based in West Seneca, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 3 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Roofing contractor”.
Based in Welland, 27 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 343 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 123 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 12 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 162 Google reviews, listed on Google as “Roofing contractor”.
Based in Tonawanda, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 561 Google reviews, listed on Google as “Roofing contractor”.
Based in St. Catharines, 29 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “Roofing contractor”.
Based in Niagara Falls, 20 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Roofing contractor”.
Based in Depew, 4 mi away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 70 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 446 Google reviews, listed on Google as “Roofing contractor”.
Based in Lancaster, 5 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Roofing contractor”.
Based in Niagara Falls, 20 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Roofing contractor”.
Based in Depew, 4 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 4 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 250 Google reviews, listed on Google as “Roofing contractor”.
Based in Buffalo, 9 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Roofing contractor”.
#1 to #25 are shown in full above. Here are #26 to #47, in CR Score order; each links to its profile. We publish the top 47 of 273 ranked roofers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Oaks Roofing & Siding | 60 | 5.0★ (36) | 17 mi |
| 28 | Niagara RoofMasters | Eavestrough and Roofing | 59 | 4.8★ (50) | 19 mi |
| 32 | Niagara RoofMasters | Roofing St. Catharines | 59 | 4.8★ (73) | 29 mi |
| 41 | Buffalo Ice Dam Steaming and Roof Snow Removal | 58 | 5.0★ (7) | 5 mi |
| 46 | Progressive Roofing Inc | 58 | 4.6★ (9) | 7 mi |
| 47 | Carroll's Roofing Co | 58 | 4.3★ (12) | 8 mi |
1 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 |
|---|---|---|
| Faber Roofing | 4.9★ (53) | 27 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 273 Williamsville 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 Williamsville 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 |