171 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ottawa: Central City Roofing Inc, CR Score 91/100; 5.0★ from 131 Google reviews; open 24/7.
Best for emergencies (open 24/7): David Tulloch Roofing, posts 24/7 hours; ranked #2 of 171.
Most-reviewed: Excel Building & Roofing Inc., 396 Google reviews at 4.9★, the most of 171 ranked; ranked #26.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
171 Ottawa roofers are ranked here by CR Score, from 8 published factors. 28 are open 24/7, 92 open Saturdays and 69 open Sundays, based on posted hours. The median Google rating is 4.9★ across 171 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Central City Roofing Inc | 91 | 5.0★ (131) | Ottawa | 24/7 | Overall |
| 2 | David Tulloch Roofing | 90 | 5.0★ (101) | Ottawa | 24/7 | Emergencies |
| 3 | Intricate Roofing & Contracting | 90 | 5.0★ (205) | Kanata, 20 km away | 24/7 | — |
| 4 | Provost & Son's Roofing | 89 | 4.9★ (88) | Ottawa | 24/7 | — |
| 5 | Rainbow Roofing & Renovations | 89 | 4.8★ (368) | Ottawa | — | — |
| 6 | J.S.F Roofing Repairs | 89 | 5.0★ (63) | Ottawa | 24/7 | — |
| 7 | Wolfenburg Roofing | 89 | 4.9★ (260) | Ottawa | Sat · Sun · Evenings | — |
| 8 | Red Seal Roofing Ottawa Ltd. | 88 | 5.0★ (49) | Ottawa | 24/7 | — |
| 9 | Toiture Expert | 88 | 4.9★ (50) | Ottawa | 24/7 | — |
| 10 | Ottawa Eavestroughing - Ottawa Siding, Soffit, & Fascia Company | 88 | 4.9★ (131) | Kanata, 25 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 5.0★ from 131 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #2 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 20 km away
Ranked #3 because of its Google rating and availability: 5.0★ from 205 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #4 because of its Google rating and availability: 4.9★ from 88 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #5 because of its Google rating and trade focus: 4.8★ from 368 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ottawa
Ranked #6 because of its Google rating and availability: 5.0★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #7 because of its Google rating and trade focus: 4.9★ from 260 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #8 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #9 because of its Google rating and availability: 4.9★ from 50 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 25 km away
Ranked #10 because of its Google rating and availability: 4.9★ from 131 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 14 km away
Ranked #11 because of its Google rating and availability: 4.9★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 26 km away
Ranked #12 because of its Google rating and availability: 4.8★ from 119 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #13 because of its Google rating and availability: 4.6★ from 41 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Vanier, 3 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #15 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #16 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #17 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Roofing contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ottawa
Ranked #18 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #19 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #20 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 25 km away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 243 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #22 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Vanier, 20 km away
Ranked #23 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #24 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Vanier, 4 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 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 171 ranked roofers here; the rest are on their profiles.
20 more roofers 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 |
|---|---|---|
| Anpaq Home Improvements | 5.0★ (5) | In Ottawa |
| C Tech Builders | 5.0★ (22) | In Ottawa |
| CDG Roofing Inc | 3.5★ (15) | 45 km |
| FullView Renovations Inc. | 5.0★ (3) | In Ottawa |
| Gutter Done Ottawa | 5.0★ (4) | 22 km |
| JLW Renovations | 3.0★ (2) | In Ottawa |
| KEY Development | 5.0★ (5) | In Ottawa |
| Mada Construction | 3.0★ (2) | In Ottawa |
| OCR Strong | 5.0★ (7) | 22 km |
| oncallcity ondemand | 5.0★ (4) | In Ottawa |
| Ottawa Foundation Repair Specialists | 5.0★ (6) | In Ottawa |
| Paramount Roofing & Renovations | Ottawa Siding & Windows and Doors Specialized Contractor | 5.0★ (8) | In Ottawa |
| Remember Me Roofing | 4.8★ (242) | In Ottawa |
| Renco Foundation Repair and Basement Waterproofing | 5.0★ (3) | In Ottawa |
| Roof Defenders Corp. | 4.8★ (5) | 25 km |
| Schnob Roofing Ltd | 4.0★ (8) | 52 km |
| Sigouin Roofing Enterprise | 5.0★ (93) | In Ottawa |
| Tailored Home Improvements & Roofing | 5.0★ (282) | 24 km |
| Toitures Boulet | 4.9★ (148) | In Ottawa |
| Wyman Contracting | 4.3★ (31) | 20 km |
US national ranges converted to CAD, not adjusted for Ottawa. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Roof replacement | CA$10,540 | CA$14,050 | CA$19,680 | Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Roof repair | CA$560 | CA$1,650 | CA$2,770 | Per repair: typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
In Ontario, roofers are busiest from late spring to early fall, when shingles can be installed in mild, dry weather. After a big storm, get more than one quote and check the license or registration before signing.
We scored 171 Ottawa roofers on 8 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. Unknown factors are left out of the score, 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 Ottawa data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |