282 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Port Colborne: Niagara Landscaping Lawn Care and Cleaning (NLLC), CR Score 63/100; 4.7★ from 157 Google reviews; open 24/7.
Best for emergencies (open 24/7): All Access Builders LLC, posts 24/7 hours; ranked #2 of 282.
Most-reviewed: All Access Builders LLC, 134 Google reviews at 4.9★, the most of 282 ranked after Niagara Landscaping Lawn Care and Cleaning (NLLC); ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
282 Port Colborne general contractors are ranked here by CR Score, from ten published factors. 31 are open 24/7, 118 open Saturdays and 49 open Sundays, based on posted hours. The median Google rating is 4.9★ across 282 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Niagara Landscaping Lawn Care and Cleaning (NLLC) | 63 | 4.7★ (157) | Niagara Falls, 27 km away | 24/7 | Overall |
| 2 | All Access Builders LLC | 62 | 4.9★ (134) | Buffalo, 35 km away | 24/7 | Emergencies, Most reviews |
| 3 | Johns Post Holes | 59 | 4.7★ (58) | Thorold, 21 km away | Sat · Sun | — |
| 4 | TCD Construction & Contracting Inc | 59 | 5.0★ (6) | Port Colborne | 24/7 | — |
| 5 | ELITE EXTERIORS & EAVESTROUGH | 59 | 4.9★ (61) | St. Catharines, 29 km away | Sat · Sun · Evenings | — |
| 6 | Fonthill Paint & Decorating | 59 | 3.7★ (49) | Port Colborne | Sat · Sun | — |
| 7 | Mountainview Building Group | 59 | 4.3★ (99) | Thorold, 23 km away | Sat · Sun | — |
| 8 | Gravelle General Construction | 58 | 5.0★ (8) | Port Colborne | 24/7 | — |
| 9 | Clear Water Pools and Construction Services | 58 | 5.0★ (54) | Tonawanda, 35 km away | Sat · Sun · Evenings | — |
| 10 | Cicatello Home Improvement | 58 | 4.7★ (31) | Tonawanda, 32 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Port Colborne
Based in Niagara Falls, 27 km away
Ranked #1 because of its Google rating and review volume: 4.7★ from 157 Google reviews, the most in Port Colborne.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo, 35 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 134 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold, 21 km away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #4 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 29 km away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #6 because of its Google rating and trade focus: 3.7★ from 49 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thorold, 23 km away
Ranked #7 because of its Google rating and trade focus: 4.3★ from 99 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #8 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 Tonawanda, 35 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tonawanda, 32 km away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niagara Falls, 34 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 34 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 22 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 29 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grand Island, 26 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Tennis court construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #16 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherst, 39 km away
Ranked #17 because of its Google rating and trade focus: 4.5★ from 53 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 9 km away
Ranked #18 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 Port Colborne
Ranked #19 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Catharines, 32 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Erie, 13 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Colborne
Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Port Colborne
Ranked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. Catharines, 31 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 15 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 #50, in CR Score order; each links to its profile. We publish the top 50 of 282 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 |
|---|---|---|
| BTF Contracting | 5.0★ (11) | In Port Colborne |
| Calix Construction Inc - Framing | 5.0★ (11) | In Port Colborne |
| Character Custom Builders Inc. | 5.0★ (2) | In Port Colborne |
| Construction Works Roofing Ltd. | 5.0★ (7) | In Port Colborne |
| D&D Diamond Cutting and Coring Inc. | 4.2★ (15) | In Port Colborne |
| Davoli Custom Contracting | 5.0★ (7) | In Port Colborne |
| Jia Mei Kitchens Countertops Cabinetry Flooring & Tiles | 5.0★ (20) | In Port Colborne |
| More Than Floors | 4.0★ (3) | In Port Colborne |
| Nesbitt Contracting | 5.0★ (26) | In Port Colborne |
| NewEraBuilds | 5.0★ (2) | In Port Colborne |
| Newfoundland Roofers | 4.6★ (9) | In Port Colborne |
| Niagara Premier Home Services | 5.0★ (5) | In Port Colborne |
| Nicholson Fence & Construction | 5.0★ (46) | In Port Colborne |
| Northern Porch & Patio | 5.0★ (13) | In Port Colborne |
| PJD Renovation Inc | 5.0★ (2) | In Port Colborne |
| Rockway Contracting | 5.0★ (2) | In Port Colborne |
| TS Metal Roofing | 5.0★ (5) | In Port Colborne |
| Westwood Estates Port Colborne | 4.3★ (7) | In Port Colborne |
| WNY GENERAL CONTRACTING LLC. | 4.6★ (11) | In Port Colborne |
| Yarnell Overhead Door Ltd. | 4.2★ (10) | In Port Colborne |
US national ranges converted to CAD, not adjusted for Port Colborne. 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 282 Port Colborne 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 Port Colborne 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 |