203 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Niagara Falls: Junior Exteriors, CR Score 63/100; 5.0★ from 94 Google reviews; open 24/7.
Best for emergencies (open 24/7): 4wards Exteriors | Siding, Eavestrough & Roofing | Windows & Doors, posts 24/7 hours; ranked #2 of 203.
Most-reviewed: Gerry's Roofing & Siding Inc, 766 Google reviews at 4.8★, the most of 203 ranked; ranked #26.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
203 Niagara Falls siding contractors are ranked here by CR Score, from ten published factors. 35 are open 24/7, 114 open Saturdays and 59 open Sundays, based on posted hours. The median Google rating is 4.8★ across 203 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Junior Exteriors | 63 | 5.0★ (94) | North Tonawanda, 18 km away | 24/7 | Overall |
| 2 | 4wards Exteriors | Siding, Eavestrough & Roofing | Windows & Doors | 62 | 5.0★ (64) | Welland, 20 km away | 24/7 | Emergencies |
| 3 | 4wards Exteriors Inc | Siding, Eavestrough & Roofing | Windows & Doors | 60 | 4.7★ (28) | St. Catharines, 16 km away | 24/7 | — |
| 4 | Ace 1 Quality Roofing Siding & Eavestroughs / Niagara | 59 | 5.0★ (104) | Niagara Falls | Sat · Sun · Evenings | — |
| 5 | Custom Seamless Eavestrough Inc. | 59 | 4.5★ (33) | Niagara Falls | Sat · Sun | — |
| 6 | HomeTeck Roofing & Remodeling | 59 | 4.9★ (160) | Lancaster, 46 km away | Sat · Sun · Evenings | — |
| 7 | Exterior Xperts | 59 | 5.0★ (57) | St. Catharines, 13 km away | Sat | — |
| 8 | ROOF WIZARD INC | 58 | 5.0★ (79) | Niagara Falls | 24/7 | — |
| 9 | Ace 1 Quality Roofing | Siding, Eavestroughs, Roofing - St. Catharines | 58 | 5.0★ (8) | St. Catharines, 19 km away | 24/7 | — |
| 10 | OConnor Contracting | 58 | 4.9★ (268) | Buffalo, 23 km away | 24/7 | — |
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: 5.0★ from 94 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Welland, 20 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 16 km away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls
Ranked #4 because of its Google rating and review volume: 5.0★ from 104 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls
Ranked #5 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 46 km away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 13 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls
Ranked #8 because of its Google rating and review volume: 5.0★ from 79 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 19 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 23 km away
Ranked #10 because of its Google rating and review volume: 4.9★ from 268 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 19 km away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 18 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 25 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 49 km away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 39 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsville, 32 km away
Ranked #15 because of its Google rating and review volume: 4.8★ from 379 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 27 km away
Ranked #16 because of its Google rating and review volume: 5.0★ from 177 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 24 km away
Ranked #17 because of its Google rating and review volume: 4.9★ from 116 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls
Ranked #18 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Thorold, 11 km away
Ranked #19 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsville, 33 km away
Ranked #20 because of its Google rating and review volume: 4.7★ from 494 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls
Ranked #21 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 28 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 23 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 25 km away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 64 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 13 km away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 24 Google reviews, listed on Google as “Siding 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 203 ranked siding contractors here; the rest are on their profiles.
20 more siding contractors within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
US national ranges converted to CAD, not adjusted for Niagara Falls. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Siding replacement | CA$7,810 | CA$16,290 | CA$24,910 | Per house: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 203 Niagara Falls siding contractors 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 Niagara Falls 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 |