90 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Duncan: HazForce Environmental Ltd, CR Score 66/100; 4.8★ from 51 Google reviews; open 24/7.
Best for emergencies (open 24/7): Andersen + Co. Contracting Inc., posts 24/7 hours; ranked #2 of 90.
Most-reviewed: Verity Construction Ltd., 82 Google reviews at 4.0★, the most of 90 ranked; ranked #22.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
90 Duncan general contractors are ranked here by CR Score, from ten published factors. 8 are open 24/7, 28 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 5.0★ across 90 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | HazForce Environmental Ltd | 66 | 4.8★ (51) | Duncan | 24/7 | Overall |
| 2 | Andersen + Co. Contracting Inc. | 64 | 5.0★ (23) | Duncan | 24/7 | Emergencies |
| 3 | Richard’s Island Perimeter Drains | 61 | 4.1★ (28) | Duncan | Sat · Sun · Evenings | — |
| 4 | Matts Island Construction | 60 | 4.9★ (31) | Salt Spring Island, 5 km away | Sat | — |
| 5 | Maple Bay Creative Construction | 60 | 5.0★ (28) | North Cowichan, 1 km away | Evenings | — |
| 6 | Despard Contracting | 59 | 5.0★ (30) | Salt Spring Island, 14 km away | 24/7 | — |
| 7 | Future site of Cowichan District Hospital | 58 | 5.0★ (9) | Duncan | — | — |
| 8 | Select Construction Ltd | 58 | 5.0★ (24) | Victoria, 40 km away | 24/7 | — |
| 9 | Neway Traffic Management Ltd. | 57 | 4.0★ (8) | North Cowichan, 14 km away | 24/7 | — |
| 10 | David Coulson Design Ltd. | 57 | 4.5★ (16) | Duncan | — | — |
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 51 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #2 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “General contractor”.
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: 4.1★ from 28 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 5 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan, 1 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 14 km away
Ranked #6 because of its Google rating and review volume: 5.0★ from 30 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #7 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Victoria, 40 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Cowichan, 14 km away
Ranked #9 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Road construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #10 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 25 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #12 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 27 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Bay, 33 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in North Saanich, 23 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #16 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Duncan
Ranked #17 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 33 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 16 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 27 km away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 40 km away
Ranked #22 because of its Google rating and review volume: 4.0★ from 82 Google reviews, the most in Duncan.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oak Bay, 17 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salt Spring Island, 14 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duncan
Ranked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “General 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 90 ranked general contractors here; the rest are on their profiles.
20 more general contractors 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 |
|---|---|---|
| Alair Homes Mill Bay | 5.0★ (6) | In Duncan |
| Black Tree Developments | 5.0★ (6) | In Duncan |
| CA Coastal Construction Ltd. | 5.0★ (12) | In Duncan |
| Cogent Green Electrical Solutions Ltd | 5.0★ (5) | In Duncan |
| Decks By Greg | 3.6★ (21) | In Duncan |
| Demo and Reno | 5.0★ (7) | In Duncan |
| Downs Construction Ltd. | 5.0★ (5) | In Duncan |
| Godolphin Tree Service | 4.3★ (24) | In Duncan |
| Handy prime | 5.0★ (19) | In Duncan |
| High Definition Roofing Ltd. Duncan | 4.9★ (56) | In Duncan |
| Isle West Construction Ltd. | 4.4★ (7) | In Duncan |
| Krasy Joe's Inc | 3.7★ (6) | In Duncan |
| Linear Construction | 5.0★ (12) | In Duncan |
| Made to Last Custom Homes | 4.9★ (30) | In Duncan |
| SparkyAdams Electric Ltd. | 5.0★ (31) | In Duncan |
| Stone Pacific Contracting Ltd | 3.8★ (39) | In Duncan |
| TaylorMade Electric Ltd. | 5.0★ (6) | In Duncan |
| Trafalgar Homes | 4.5★ (20) | In Duncan |
| VIP Property Restorations Ltd. | 4.7★ (12) | In Duncan |
| West Coast Gutter Pros | 5.0★ (9) | 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 |
|---|---|---|---|---|---|
| Kitchen remodel | CA$20,510 | CA$37,930 | CA$58,490 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Bathroom remodel | CA$9,350 | CA$17,080 | CA$24,820 | Per bathroom: typical range of customer-reported remodels. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 90 Duncan general 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 |