40 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Duncan: Victoria Pro Siding, CR Score 61/100; 5.0★ from 75 Google reviews.
Best for emergencies (open 24/7): Tsawwassen BC Roofs Skylights Chimneys Siding and Gutter Repair, posts 24/7 hours; ranked #25 of 40.
Most-reviewed: Dignity Roofing & Exteriors, 72 Google reviews at 5.0★, the most of 40 ranked after Victoria Pro Siding; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
40 Duncan siding contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 14 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 40 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Victoria Pro Siding | 61 | 5.0★ (75) | Victoria, 47 km away | — | Overall |
| 2 | Ideal Siding Victoria | 58 | 5.0★ (63) | Victoria, 49 km away | — | — |
| 3 | Phoenix Siding Ltd | 58 | 4.9★ (41) | Nanaimo, 51 km away | Sat | — |
| 4 | Prinster Contracting Ltd. | 56 | 4.9★ (17) | Nanaimo, 46 km away | Sat · Evenings | — |
| 5 | Century 21 Stucco & Acrylic Ltd | 55 | 4.7★ (14) | Victoria, 39 km away | Sat | — |
| 6 | Island Heights Construction Ltd. | 55 | 5.0★ (27) | Nanaimo, 48 km away | — | — |
| 7 | Interscope Exteriors | 55 | 5.0★ (4) | Colwood, 33 km away | Sat · Sun | — |
| 8 | Ideal Siding Nanaimo | 54 | 4.7★ (11) | Nanaimo, 45 km away | Sat | — |
| 9 | Aura Siding Inc. | 54 | 5.0★ (8) | Victoria, 45 km away | Sat | — |
| 10 | H&R Pro Group of Companies Inc. | 54 | 4.5★ (17) | Victoria, 38 km away | — | — |
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 review volume: 5.0★ from 75 Google reviews, the most in Duncan.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Victoria, 49 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 51 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 46 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 39 km away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 48 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 33 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 45 km away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 11 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 45 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 Victoria, 38 km away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 47 km away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan, 11 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 56 km away
Ranked #13 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 Nanaimo, 53 km away
Ranked #14 because of its Google rating and trade focus: 4.2★ from 18 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 47 km away
Ranked #15 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Victoria, 44 km away
Ranked #16 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delta, 58 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 11 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 59 km away
Ranked #18 because of its Google rating and trade focus: 4.3★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan, 13 km away
Ranked #19 because of its Google rating and review volume: 4.8★ from 26 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 38 km away
Ranked #20 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond, 60 km away
Ranked #21 because of its Google rating and review volume: 5.0★ from 72 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 50 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 50 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Richmond, 58 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Delta, 56 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 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 #40, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | NK Exteriors | 50 | 5.0★ (6) | 52 km |
| 27 | R & D Roofing And Siding | 50 | 5.0★ (7) | 41 km |
| 28 | Lancashire Renovations – General Contractor specializing in Kitchens, Bathrooms, Decks, Fences, Siding & Painting | 49 | 5.0★ (17) | 60 km |
| 29 | GVT Contracting | 49 | 3.6★ (30) | 33 km |
| 30 | Minyan Renovations | 49 | 5.0★ (14) | 64 km |
| 31 | Chouinard Exterior Wall Systems | 49 | 3.7★ (3) | 45 km |
| 32 | Earth to Sky Contracting | 48 | 5.0★ (7) | 47 km |
| 33 | Hadley Exteriors Ltd | 48 | 5.0★ (16) | 62 km |
| 34 | Pacific Valley Siding Inc | 48 | 4.0★ (3) | 58 km |
| 35 | 19K Design and Contracting Ltd | 47 | 4.9★ (12) | 36 km |
| 36 | Tough Roofing Victoria | 47 | 4.4★ (9) | 48 km |
| 37 | Local Guy Contracting | 46 | 5.0★ (6) | 36 km |
| 38 | K.O. Exteriors Inc. | 45 | 5.0★ (6) | 43 km |
| 39 | Braun Built Carpentry | 45 | 5.0★ (6) | 47 km |
| 40 | David Ellis Construction | 43 | 5.0★ (3) | 44 km |
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 |
|---|---|---|
| Andersen + Co. Contracting Inc. | 5.0★ (23) | In Duncan |
| BC Vinyl Deck ( Kim Vinyl Deck Ltd.) | 4.8★ (25) | In Duncan |
| CA Coastal Construction Ltd. | 5.0★ (12) | In Duncan |
| Coast Roofing Ltd | 4.2★ (6) | In Duncan |
| Coastline Concrete | 5.0★ (54) | In Duncan |
| Cornerstone Roofing | 4.9★ (53) | In Duncan |
| David Coulson Design Ltd. | 4.5★ (16) | In Duncan |
| Demo and Reno | 5.0★ (7) | In Duncan |
| Fenstur Windows and Doors | 4.3★ (19) | In Duncan |
| Golden Rule Roofing | 3.8★ (24) | In Duncan |
| Habitat for Humanity Duncan Restore | 4.3★ (99) | In Duncan |
| High Definition Roofing Ltd. Duncan | 4.9★ (56) | In Duncan |
| Housecalls Painting & Decorating | 4.8★ (5) | In Duncan |
| Kroek Contracting | 4.2★ (5) | In Duncan |
| Lush Eco Lawns and Gardens | 4.6★ (30) | In Duncan |
| Made to Last Custom Homes | 4.9★ (30) | In Duncan |
| Marrs Roofing Ltd | 4.0★ (4) | In Duncan |
| Outside the Box Painting | 5.0★ (6) | In Duncan |
| RJM Gutter & Soffits | 5.0★ (8) | In Duncan |
| VIP Property Restorations Ltd. | 4.7★ (12) | In Duncan |
US national ranges converted to CAD, not adjusted for Duncan. 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 40 Duncan 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 Duncan 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 |