29 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Duncan: BC Vinyl Deck ( Kim Vinyl Deck Ltd.), CR Score 61/100; 4.8★ from 25 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): VB Vinyl, posts 24/7 hours; ranked #2 of 29.
Most-reviewed: WhalleyWorks, 96 Google reviews at 4.9★, the most of 29 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
29 Duncan deck builders are ranked here by CR Score, from ten published factors. 3 are open 24/7, 16 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 29 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | BC Vinyl Deck ( Kim Vinyl Deck Ltd.) | 61 | 4.8★ (25) | Duncan | Sat | Overall |
| 2 | VB Vinyl | 59 | 5.0★ (35) | Colwood, 19 km away | 24/7 | Emergencies |
| 3 | Decks By Greg | 59 | 3.6★ (21) | Duncan | — | — |
| 4 | The Frenchman Carpentry | 57 | 5.0★ (8) | Salt Spring Island, 17 km away | Sat · Sun · Evenings | — |
| 5 | RGH Construction | 56 | 3.9★ (11) | North Cowichan, 28 km away | 24/7 | — |
| 6 | Matts Island Construction | 54 | 4.9★ (31) | Salt Spring Island, 5 km away | Sat | — |
| 7 | Siteline Deck And Rail | 54 | 5.0★ (28) | Nanaimo, 33 km away | — | — |
| 8 | GVT Contracting | 53 | 3.6★ (30) | Sooke, 33 km away | Sat | — |
| 9 | CedarScapes Decks & Fences | 53 | 5.0★ (9) | Duncan | — | — |
| 10 | Miller Fence & Deck | 53 | 4.8★ (39) | North Saanich, 23 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 trade focus: 4.8★ from 25 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 19 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #3 because of its Google rating and trade focus: 3.6★ from 21 Google reviews, listed on Google as “Deck builder”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Salt Spring Island, 17 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan, 28 km away
Ranked #5 because of its Google rating and trade focus: 3.9★ from 11 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 5 km away
Ranked #6 because of its Google rating and review volume: 4.9★ from 31 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 33 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sooke, 33 km away
Ranked #8 because of its Google rating and trade focus: 3.6★ from 30 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #9 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Fence contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Saanich, 23 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 39 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 39 km away
Ranked #11 because of its Google rating and review volume: 5.0★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Bay, 28 km away
Ranked #12 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in High River, 24 km away
Ranked #13 because of its Google rating and review volume: 5.0★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 36 km away
Ranked #14 because of its Google rating and review volume: 4.9★ from 96 Google reviews, the most in Duncan.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 25 km away
Ranked #15 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 27 km away
Ranked #16 because of its Google rating and review volume: 4.6★ from 20 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Kitchen remodeler”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 26 km away
Ranked #18 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 36 km away
Ranked #19 because of its Google rating and review volume: 5.0★ from 11 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 32 km away
Ranked #20 because of its Google rating and review volume: 4.7★ from 38 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanaimo, 39 km away
Ranked #21 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 27 km away
Ranked #22 because of its Google rating and review volume: 5.0★ from 16 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 33 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Bay, 33 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Carpenter”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 27 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | WestWind Pro Builders | 46 | 5.0★ (5) | 33 km |
| 27 | Bald Eagle - Landscaping Victoria | 46 | 4.8★ (18) | 40 km |
| 28 | Ridgewood Sundecks & Railings | 45 | 5.0★ (5) | 34 km |
| 29 | Evergreen Renovations & Decks INC | 44 | 5.0★ (3) | 38 km |
20 more deck builders within 40 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 |
|---|---|---|
| A Cut Above Landscaping | 4.7★ (111) | In Duncan |
| Andersen + Co. Contracting Inc. | 5.0★ (23) | In Duncan |
| Armand Landscaping and Masonry | 4.7★ (13) | In Duncan |
| CA Coastal Construction Ltd. | 5.0★ (12) | In Duncan |
| Coastline Concrete | 5.0★ (54) | In Duncan |
| Cornerstone Roofing | 4.9★ (53) | In Duncan |
| Cowichan Steelhead Construction | 4.7★ (9) | In Duncan |
| Creative Custom Services - Paving Stone Contractor Duncan | 4.7★ (3) | In Duncan |
| Cyran Gardens Landscape Design | 5.0★ (14) | In Duncan |
| David Coulson Design Ltd. | 4.5★ (16) | In Duncan |
| Gavco Tile | 5.0★ (6) | In Duncan |
| Gold Standard Gardens & Design | 4.8★ (26) | In Duncan |
| Isle West Construction Ltd. | 4.4★ (7) | In Duncan |
| Kopf landscaping and maintenance | 5.0★ (8) | In Duncan |
| Kroek Contracting | 4.2★ (5) | In Duncan |
| Linear Construction | 5.0★ (12) | In Duncan |
| Made to Last Custom Homes | 4.9★ (30) | In Duncan |
| New Power Electrical Services | 4.8★ (14) | In Duncan |
| Valhalla Paving | 5.0★ (14) | In Duncan |
| Veridis Plumbing & Heating Ltd. | 4.5★ (93) | 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 |
|---|---|---|---|---|---|
| Deck building | CA$6,100 | CA$11,690 | CA$17,780 | Per deck: 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 29 Duncan deck builders 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 |