89/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 143 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 13 Delena Ave S, Hamilton, ON L8H 1B7
Best Foundation Repair Companies in Ancaster, ON (2026)
257 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ancaster: Aquamaster Basement Waterproofing Hamilton, CR Score 89/100; 5.0★ from 143 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Aquamaster Basement Waterproofing Mississauga, posts 24/7 hours; ranked #3 of 257.
- 14
Most-reviewed: Canada Waterproofers, 316 Google reviews at 5.0★, the most of 257 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
257 Ancaster foundation repair companies are ranked here by CR Score, from 8 published factors. 86 are open 24/7, 192 open Saturdays and 138 open Sundays, based on posted hours. The median Google rating is 5.0★ across 257 rated businesses.
Top 10 foundation repair companies in Ancaster at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aquamaster Basement Waterproofing Hamilton | 89 | 5.0★ (143) | Hamilton, 16 km away | Sat · Sun · Evenings | Overall |
| 2 | Aquatech Basement Waterproofing | 89 | 5.0★ (107) | Hamilton, 10 km away | Sat · Sun · Evenings | — |
| 3 | Aquamaster Basement Waterproofing Mississauga | 89 | 5.0★ (123) | Mississauga, 47 km away | 24/7 | Emergencies |
| 4 | Marine Waterproofing | 89 | 5.0★ (55) | Brantford, 28 km away | 24/7 | — |
| 5 | ROOTERWORX | 89 | 5.0★ (121) | Mississauga, 49 km away | 24/7 | — |
| 6 | Water Pro Hamilton | 89 | 5.0★ (23) | Hamilton, 10 km away | 24/7 | — |
| 7 | Royal Work Basement Waterproofing Hamilton | 89 | 5.0★ (132) | Hamilton, 18 km away | Sat · Sun · Evenings | — |
| 8 | Direct Waterproofing Hamilton | 88 | 5.0★ (82) | Hamilton, 10 km away | Sat · Sun · Evenings | — |
| 9 | Aquatech Basement Waterproofing Mississauga | 88 | 5.0★ (109) | Mississauga, 50 km away | 24/7 | — |
| 10 | WillFix - Basement Underpinning Hamilton | 88 | 5.0★ (21) | Hamilton, 13 km away | 24/7 | — |
The 257 best foundation repair companies in Ancaster, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Hamilton, 10 km away
89/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 107 Google reviews
- Hours
- Mon 7 AM–11:30 PM · Tue 7 AM–10 PM · Wed 8 AM–9 PM · Thu–Fri 8 AM–10 PM · Sat 8 AM–9 PM · Sun 7 AM–7 PM
- Address
- 180 James St S Suite 204, Hamilton, ON L8P 4V1
Based in Mississauga, 47 km away
89/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 123 Google reviews, open 24/7.
- 5.0★ from 123 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1247 Cloverbrae Crescent, Mississauga, ON L5H 2Z6
Based in Brantford, 28 km away
89/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 55 Google reviews, open 24/7.
- 5.0★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 33 Gunn Ave, Brantford, ON N3T 0S3
#5 ROOTERWORX
Based in Mississauga, 49 km away
89/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 121 Google reviews, open 24/7.
- 5.0★ from 121 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 34 Queen St W unit 4, Mississauga, ON L5H 1L4
Based in Hamilton, 10 km away
89/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Markland St, Hamilton, ON L8P 2J5
Based in Hamilton, 18 km away
89/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 132 Google reviews
- Hours
- Mon–Tue 7 AM–9 PM · Wed 9 AM–9 PM · Thu–Sat 7 AM–9 PM · Sun 7:30 AM–9 PM
- Address
- 7 Village Dr, Hamilton, ON L8E 3M7
Based in Hamilton, 10 km away
88/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 82 Google reviews
- Hours
- Mon 8 AM–8 PM · Tue–Fri 8 AM–10 PM · Sat 8 AM–7 PM · Sun 7 AM–8 PM
- Address
- 21 King St W 5th Floor, Hamilton, ON L8P 4W7
Based in Mississauga, 50 km away
88/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 109 Google reviews, open 24/7.
- 5.0★ from 109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 155 Oakes Dr, Mississauga, ON L5G 3M2
Based in Hamilton, 13 km away
88/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 822 Main St E, Hamilton, ON L8M 1L6
Based in Mississauga, 50 km away
88/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 121 Google reviews, open 24/7.
- 4.9★ from 121 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 90 Burnhamthorpe Rd W #1400, Mississauga, ON L5B 0H9
Based in Burlington, 24 km away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 41 Google reviews, open 24/7.
- 4.8★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 63 Sunnyhurst Ave, Stoney Creek, ON L8E 5R4
Based in Hamilton, 20 km away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.5★ from 80 Google reviews, open 24/7.
- 4.5★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 16 Brockley Dr, Hamilton, ON L8E 3P1
Based in Mississauga, 47 km away
88/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 316 Google reviews
- Hours
- Mon–Sat 7 AM–9 PM · Sun 10 AM–4 PM
- Address
- 3410 Semenyk Ct #9, Mississauga, ON L5C 4P8
Based in Norfolk County, 41 km away
87/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 61 Google reviews, open 24/7.
- 4.9★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oakville, 35 km away
87/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Suite 600, 240 Wyecroft Rd, Oakville, ON L6K 3Y6
#17 Drain Unit
Based in Hamilton, 6 km away
87/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 172 Google reviews, open 24/7.
- 5.0★ from 172 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 500 Stone Church Rd W, Hamilton, ON L9B 1R2
Based in Hamilton, 14 km away
87/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 290 Huxley Ave S, Hamilton, ON L8K 2R4
Based in Burlington, 36 km away
87/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cambridge, 31 km away
87/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 108 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 246 Victoria Ave, Cambridge, ON N1S 3W5
Based in Mississauga, 55 km away
87/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 70 Google reviews, open 24/7.
- 5.0★ from 70 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1251-A Kamato Rd, Mississauga, ON L4W 2M2
Based in Toronto, 59 km away
86/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 271 Google reviews
- Hours
- Mon–Fri 8 AM–9 PM · Sat 8 AM–7 PM · Sun 8 AM–8 PM
- Address
- 4 Faversham Crescent, Toronto, ON M9C 3X4
Based in Norfolk County, 47 km away
86/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 154 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–5 PM · Sun 10 AM–3 PM
Based in Burlington, 22 km away
86/100CR ScoreRanked #24 because of its Google rating and availability: 4.5★ from 24 Google reviews, open 24/7.
- 4.5★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1153 Pioneer Rd Unit 7, Burlington, ON L7M 1K5
Based in Oakville, 33 km away
86/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 84 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1075 North Service Rd W Suite 100, Oakville, ON L6M 2G2
Foundation repair companies ranked #26 to #50
#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 257 ranked foundation repair companies here; the rest are on their profiles.
Also serving Ancaster
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 |
|---|---|---|
| AirPro Heating & Cooling | 5.0★ (139) | In Ancaster |
| All In One Landscaping Inc | 4.8★ (69) | In Ancaster |
| Ambrosio Renovations | 4.9★ (35) | In Ancaster |
| Bosanac Heating & Electric Ltd | 4.7★ (200) | In Ancaster |
| DRI DeLuca Roofing Inc. | 4.2★ (101) | In Ancaster |
| Guest Plumbing & HVAC Ancaster & Hamilton- Commercial & Residential Services | 4.8★ (452) | In Ancaster |
| Heartwood Renovations | 4.8★ (103) | In Ancaster |
| KBS Heating and Cooling Services | 5.0★ (40) | In Ancaster |
| Mike's Concrete Ltd. | 4.9★ (38) | In Ancaster |
| Morosin Renovations Inc. | 5.0★ (101) | In Ancaster |
| Panter Contracting Co. | 5.0★ (31) | In Ancaster |
| Perfect Restoration | 4.9★ (38) | In Ancaster |
| PLUMBER ON DEMAND of ANCASTER, ON | 4.8★ (168) | In Ancaster |
| Precise Custom Homes | 5.0★ (29) | In Ancaster |
| Ridgeline Renovations | 4.8★ (52) | In Ancaster |
| Team Shane | 4.8★ (70) | In Ancaster |
| The Ancaster Handyman | 5.0★ (37) | In Ancaster |
| The Handy Dutchman | 5.0★ (34) | In Ancaster |
| Utter Plumbing Inc. | 5.0★ (84) | In Ancaster |
| Zeina Homes | 4.6★ (120) | In Ancaster |
How much do foundation repair companies cost in Ancaster?
US national ranges converted to CAD, not adjusted for Ancaster. 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 Ancaster foundation repair companies
We scored 257 Ancaster foundation repair companies 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 Ancaster 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 |
Foundation repair companies in Ancaster: frequently asked questions
Who is the best foundation repair company in Ancaster?
By CR Score, the highest-ranked foundation repair company in Ancaster, ON is Aquamaster Basement Waterproofing Hamilton with a CR Score of 89/100. It has 5.0★ from 143 Google reviews. It is open 7 days a week. Aquatech Basement Waterproofing (#2) and Aquamaster Basement Waterproofing Mississauga (#3) follow. We ranked 257 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Ancaster?
ContractorsRanked ranks 257 foundation repair companies serving Ancaster, ON. 1 of them is based in Ancaster; 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 Ancaster are open 24/7?
86 ranked foundation repair companies in Ancaster post 24/7 hours. The highest-ranked are Aquamaster Basement Waterproofing Mississauga (#3), Marine Waterproofing (#4) and ROOTERWORX (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Ancaster work on weekends?
192 of 257 ranked foundation repair companies post Saturday hours and 138 post Sunday hours. The highest-ranked open Saturdays are Aquamaster Basement Waterproofing Hamilton (#1), Aquatech Basement Waterproofing (#2) and Aquamaster Basement Waterproofing Mississauga (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Ancaster?
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 Ancaster. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Ancaster foundation repair companies have?
The median Google rating among 257 rated foundation repair companies in Ancaster is 5.0★, with a median of 31 reviews. Canada Waterproofers has the most, 316 reviews, and ranks #14. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Ancaster count in this ranking?
Yes, if they are within 64 km of the Ancaster 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 Ancaster
- October 2026: CR Scores recalculated for 257 foundation repair companies serving Ancaster.
More foundation repair companies and Ancaster pages
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