63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Foundation”.
- 5.0★ from 102 Google reviews
- Hours
- Mon–Fri 9 AM–9 PM · Sat–Sun 10 AM–4 PM
- Address
- Bowmanville, ON L1C 5C9
Best Foundation Repair Companies in Cobourg, ON (2026)
35 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cobourg: Aquaphobia Foundation Repair & Crack Injections, CR Score 63/100; 5.0★ from 102 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Guardian Plumbing and Drain, posts 24/7 hours; ranked #2 of 35.
- 2
Most-reviewed: Guardian Plumbing and Drain, 627 Google reviews at 4.8★, the most of 35 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Cobourg foundation repair companies are ranked here by CR Score, from ten published factors. 14 are open 24/7, 27 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 5.0★ across 35 rated businesses.
Top 10 foundation repair companies in Cobourg at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aquaphobia Foundation Repair & Crack Injections | 63 | 5.0★ (102) | Cobourg | Sat · Sun · Evenings | Overall |
| 2 | Guardian Plumbing and Drain | 61 | 4.8★ (627) | Cobourg | 24/7 | Emergencies, Most reviews |
| 3 | ACCL Basement Wateproofing | 60 | 5.0★ (29) | Ajax, 23 km away | 24/7 | — |
| 4 | Liftlock Waterproofing | 58 | 4.7★ (31) | Peterborough, 37 km away | 24/7 | — |
| 5 | Durham Backhoe Basement Waterproofing | 57 | 5.0★ (67) | Oshawa, 53 km away | Sat · Sun · Evenings | — |
| 6 | Jetflo Drain & Waterproofing | 57 | 4.9★ (70) | Ajax, 30 km away | 24/7 | — |
| 7 | Call the Plumbing Doctor Inc. & Call the Foundation Doctor Inc. | 56 | 4.8★ (182) | Oshawa, 54 km away | 24/7 | — |
| 8 | Postech Screw Piles Quinte - Northumberland | 56 | 4.9★ (18) | Cobourg | — | — |
| 9 | Donerite Basement Waterproofing | 56 | 4.8★ (26) | Quinte West, 41 km away | Sat · Sun · Evenings | — |
| 10 | Aquatech Waterproofing | 56 | 5.0★ (15) | Cobourg | 24/7 | — |
The 35 best foundation repair companies in Cobourg, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Cobourg
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 627 Google reviews, the most in Cobourg.
- 4.8★ from 627 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 McGuire St, Cobourg, ON K9A 0H9
Based in Ajax, 23 km away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Peterborough, 37 km away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 623 Bellaire St, Peterborough, ON K9J 3Y5
Based in Oshawa, 53 km away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 67 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Ajax, 30 km away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Drainage service”.
- 4.9★ from 70 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oshawa, 54 km away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 182 Google reviews.
- 4.8★ from 182 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 712 Wilson Rd S, Oshawa, ON L1H 6E7
Based in Cobourg
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Foundation”.
- 4.9★ from 18 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 221 Bay St, Cobourg, ON K9A 1P8
Based in Quinte West, 41 km away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 26 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 855 Stoney Point Rd, Quinte West, ON K0K 1H0
Based in Cobourg
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oshawa, 63 km away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 49 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Peterborough, 42 km away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 25 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 25 Google reviews
- Hours
- Mon–Sun 8 AM–11 PM
- Address
- 263 Wolsely St, Peterborough, ON K9H 4Z8
Based in Cobourg
54/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
- 5.0★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2146 County Rd 38, Asphodel-Norwood, ON K0L 2B0
Based in Ajax, 62 km away
53/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 19 Google reviews
- Hours
- Mon–Sat 9 AM–9 PM · Sun 9 AM–5 PM
- Address
- 701 Rossland Rd E Suite 633, Whitby, ON L1N 8Y9
Based in Oshawa, 55 km away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Waterproofing service”.
- 4.5★ from 15 Google reviews
- Hours
- Mon–Sun 12 AM–11:30 PM
- Address
- 124 Wilson Rd S, Oshawa, ON L1H 6C1
Based in Ajax, 53 km away
53/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 112 Google reviews.
- 4.8★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 661 Townline Rd N, Courtice, ON L1E 2J4
Based in Oshawa, 56 km away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 8 AM–8 PM · Sun 10 AM–5 PM
Based in Belleville, 40 km away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 39 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 884 Smith St, Brighton, ON K0K 1H0
Based in Cobourg
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 2870 Durham Regional Hwy 2, Bowmanville, ON L1C 6E9
Based in Oshawa, 60 km away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 61 Bedell Crescent, Whitby, ON L1R 2N7
Based in Cobourg
53/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4801 Concession Rd 5, Newtonville, ON L0A 1J0
Based in Oshawa, 52 km away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 6 AM–11 PM
- Address
- 89 Varcoe Rd, Courtice, ON L1E 1N2
Based in Ajax, 64 km away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 105 Google reviews.
- 5.0★ from 105 Google reviews
- Emergency service
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 23 Torian Ave, Whitby, ON L1M 1B2
Based in Peterborough, 41 km away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 20 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat–Sun closed
- Address
- 582 Park St N, Peterborough, ON K9H 4R9
Based in Cobourg
52/100CR ScoreRanked #25 because of its Google rating and review volume: 4.6★ from 104 Google reviews.
- 4.6★ from 104 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2213 Lovshin Rd, Cobourg, ON K9A 0P7
All 35 foundation repair companies
#1 to #25 are shown in full above. Here are #26 to #35, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Above and Beyond Waterproofing and Yardworks Inc | 52 | 5.0★ (7) | 48 km |
| 27 | Home Improvements Skilled Trades | 51 | 4.6★ (10) | 26 km |
| 28 | Randall Plumbing | 50 | 2.7★ (21) | 11 km |
| 29 | Kawartha Drainscape Solutions | 49 | 5.0★ (27) | 37 km |
| 30 | Aquaproof Foundation Waterproofing | 49 | 3.0★ (5) | 43 km |
| 31 | Stoney Woods Landscaping | 49 | 5.0★ (48) | 50 km |
| 32 | Koala Insulation of Durham | 48 | 5.0★ (11) | 58 km |
| 33 | Wilworks Renovations LTD | 48 | 5.0★ (28) | 53 km |
| 34 | Hutchuk's Construction | 47 | 5.0★ (20) | 55 km |
| 35 | Do-iron Construction | 44 | 5.0★ (5) | 55 km |
Also serving Cobourg
20 more foundation repair companies 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 |
|---|---|---|
| Alpha Painting Inc. | 5.0★ (159) | In Cobourg |
| Area Landscaping | 4.7★ (29) | In Cobourg |
| B and B Plumbing | 5.0★ (37) | In Cobourg |
| Bin-It | 4.9★ (39) | In Cobourg |
| Bouwmans Cabinetry | 4.8★ (64) | In Cobourg |
| Cobourg Construction | 4.8★ (33) | In Cobourg |
| Comfort Zone Heating and Air Conditioning | 4.9★ (834) | In Cobourg |
| Dyson Construction and Renovation | 4.8★ (17) | In Cobourg |
| GenCon contracting and Renovations Inc | 5.0★ (14) | In Cobourg |
| GWC Insulation | 5.0★ (40) | In Cobourg |
| J&C Moreau Brothers Plumbing Inc. | 5.0★ (18) | In Cobourg |
| Kelly Green Contracting Group | 5.0★ (16) | In Cobourg |
| McKenzie Drywall Inc. | 4.2★ (25) | In Cobourg |
| Stadtke Plumbing & Heating Ltd. | 4.9★ (736) | In Cobourg |
| Stalwood Homes | 3.8★ (26) | In Cobourg |
| Superior Plumbing & Heating of Cobourg | 4.5★ (55) | In Cobourg |
| Triple M Masonry | 5.0★ (14) | In Cobourg |
| Urbancraft | 4.9★ (33) | In Cobourg |
| UrbanRidge Inc. | 5.0★ (13) | In Cobourg |
| Your Projects Northumberland | 5.0★ (55) | In Cobourg |
How much do foundation repair companies cost in Cobourg?
US national ranges converted to CAD, not adjusted for Cobourg. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | CA$3,130 | CA$7,270 | CA$11,430 | Per project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
How we ranked Cobourg foundation repair companies
We scored 35 Cobourg foundation repair companies 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 Cobourg 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 |
Foundation repair companies in Cobourg: frequently asked questions
Who is the best foundation repair company in Cobourg?
By CR Score, the highest-ranked foundation repair company in Cobourg, ON is Aquaphobia Foundation Repair & Crack Injections with a CR Score of 63/100. It has 5.0★ from 102 Google reviews. It is open 7 days a week. Guardian Plumbing and Drain (#2) and ACCL Basement Wateproofing (#3) follow. We ranked 35 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Cobourg?
ContractorsRanked ranks 35 foundation repair companies serving Cobourg, ON. 8 of them are based in Cobourg; the rest serve it from nearby towns. Another 20 within 64 km are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Cobourg are open 24/7?
14 ranked foundation repair companies in Cobourg post 24/7 hours. The highest-ranked are Guardian Plumbing and Drain (#2), ACCL Basement Wateproofing (#3) and Liftlock Waterproofing (#4). Mega City Roofing Inc (#23) also lists emergency service. Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Cobourg work on weekends?
27 of 35 ranked foundation repair companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Aquaphobia Foundation Repair & Crack Injections (#1), Guardian Plumbing and Drain (#2) and ACCL Basement Wateproofing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Cobourg?
Foundation repair typically costs CA$3,130 to CA$11,430, with CA$7,270 typical (Per project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Cobourg. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Cobourg foundation repair companies have?
The median Google rating among 35 rated foundation repair companies in Cobourg is 5.0★, with a median of 21 reviews. Guardian Plumbing and Drain has the most, 627 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Cobourg count in this ranking?
Yes, if they are within 64 km of the Cobourg city centre, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Cobourg
- October 2026: CR Scores recalculated for 35 foundation repair companies serving Cobourg.
More foundation repair companies and Cobourg pages
Foundation repair companies near Cobourg
- Foundation repair companies in Port Hope, ON44 ranked
- Foundation repair companies in Peterborough, ON35 ranked
- Foundation repair companies in Quinte West, ON20 ranked
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- Foundation repair companies in Lindsay, ON50 ranked
- Foundation repair companies in Belleville, ON14 ranked
- Foundation repair companies in Ajax, ON298 ranked
- Foundation repair companies in Prince Edward, ON14 ranked
- Foundation repair companies in Uxbridge, ON260 ranked
- Foundation repair companies in Pickering, ON310 ranked
Other trades in Cobourg
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