307 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in St. Catharines: 4wards Exteriors | Siding, Eavestrough & Roofing | Windows & Doors, CR Score 62/100; 5.0★ from 64 Google reviews; open 24/7.
Best for emergencies (open 24/7): Junior Exteriors, posts 24/7 hours; ranked #2 of 307.
Most-reviewed: Gerry's Roofing & Siding Inc, 766 Google reviews at 4.8★, the most of 307 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
307 St. Catharines siding contractors are ranked here by CR Score, from ten published factors. 54 are open 24/7, 192 open Saturdays and 91 open Sundays, based on posted hours. The median Google rating is 4.9★ across 307 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 4wards Exteriors | Siding, Eavestrough & Roofing | Windows & Doors | 62 | 5.0★ (64) | Welland, 19 km away | 24/7 | Overall |
| 2 | Junior Exteriors | 61 | 5.0★ (94) | North Tonawanda, 34 km away | 24/7 | Emergencies |
| 3 | 4wards Exteriors Inc | Siding, Eavestrough & Roofing | Windows & Doors | 61 | 4.7★ (28) | St. Catharines | 24/7 | — |
| 4 | Exterior Xperts | 60 | 5.0★ (57) | St. Catharines | Sat | — |
| 5 | HomeVision Roofing & Siding | 59 | 5.0★ (243) | Mississauga, 57 km away | 24/7 | — |
| 6 | Ace 1 Quality Roofing | Siding, Eavestroughs, Roofing - St. Catharines | 59 | 5.0★ (8) | St. Catharines | 24/7 | — |
| 7 | HARB ELITE RENOVATIONS | 59 | 4.8★ (17) | St. Catharines | Sat · Sun | — |
| 8 | CityPro Aluminum | 58 | 5.0★ (292) | Etobicoke, 55 km away | Sat · Evenings | — |
| 9 | Envirotech Exteriors inc. | 58 | 4.7★ (39) | Burlington, 34 km away | 24/7 | — |
| 10 | Gerry's Roofing & Siding Inc | 58 | 4.8★ (766) | Hamilton, 45 km away | Sat · Sun · Evenings | Most reviews |
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 in St. Catharines
Based in Welland, 19 km away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Siding contractor”.
Based in North Tonawanda, 34 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #3 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #4 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Siding contractor”.
Based in Mississauga, 57 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 243 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #6 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #7 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based in Etobicoke, 55 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 292 Google reviews, listed on Google as “Siding contractor”.
Based in Burlington, 34 km away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 39 Google reviews, listed on Google as “Siding contractor”.
Based in Hamilton, 45 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 766 Google reviews, the most in St. Catharines.
Based in Niagara Falls, 13 km away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “Siding contractor”.
Based in Mississauga, 56 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Siding contractor”.
Based in Niagara Falls, 15 km away
Ranked #13 because of its Google rating and review volume: 5.0★ from 104 Google reviews.
Based in Burlington, 45 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Siding contractor”.
Based in Lancaster, 62 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “Siding contractor”.
Based in Hamilton, 18 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #17 because of its Google rating and trade focus: 4.6★ from 24 Google reviews, listed on Google as “Siding contractor”.
Based in Hamilton, 38 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Siding contractor”.
Based in St. Catharines
Ranked #19 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Siding contractor”.
Based in Fort Erie, 14 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Siding contractor”.
Based in Thorold, 6 km away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based in Norfolk County, 21 km away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Siding contractor”.
Based in Burlington, 25 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Siding contractor”.
Based in Niagara Falls, 15 km away
Ranked #24 because of its Google rating and review volume: 5.0★ from 79 Google reviews.
Based in Buffalo, 39 km away
Ranked #25 because of its Google rating and review volume: 4.9★ from 268 Google reviews.
#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 307 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.
| Business | Google rating | Distance |
|---|---|---|
| AR Malton Roofing & Restorations | 2.7★ (3) | In St. Catharines |
| Blampin Roof Tops | 4.8★ (22) | In St. Catharines |
| Complete Casa Construction | 5.0★ (21) | In St. Catharines |
| Craftwood General Contracting | 5.0★ (22) | In St. Catharines |
| D&R renovations | 5.0★ (8) | In St. Catharines |
| Dixa Inc. Design & Renovations | 5.0★ (10) | In St. Catharines |
| Erb Paint & Stucco | 4.9★ (34) | In St. Catharines |
| Handy Llama | 5.0★ (8) | In St. Catharines |
| JD Roofing Inc. | 4.8★ (86) | In St. Catharines |
| JLS.Solutions | 5.0★ (18) | In St. Catharines |
| L & L Contracting Inc. | 5.0★ (22) | In St. Catharines |
| Red Maple Contracting | 5.0★ (15) | In St. Catharines |
| Respectable Roofers Inc | 5.0★ (2) | In St. Catharines |
| RGS Carpentry | 5.0★ (10) | In St. Catharines |
| Roofing Guaranteed Inc | 4.1★ (17) | In St. Catharines |
| Scott Windows & Doors of Niagara | 5.0★ (60) | In St. Catharines |
| Skyway Roofing | 5.0★ (25) | In St. Catharines |
| St Catharines Custom Construction | 5.0★ (4) | In St. Catharines |
| Valleyridge Contracting | 5.0★ (17) | In St. Catharines |
| Videl Roofing Inc. | 5.0★ (3) | In St. Catharines |
US national ranges converted to CAD, not adjusted for St. Catharines. 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 307 St. Catharines 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 St. Catharines 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 |