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McMillan Waterproofing NiagaraFoundation repair company in St. Catharines, ON

McMillan Waterproofing Niagara is a foundation repair company at 80 Commerce Pl Unit 3, St. Catharines, ON L2S 0B3, ranked #6 of 267 foundation repair companies in St. Catharines and rated 5.0 from 51 Google reviews. Open Monday to Saturday.

St. Catharines, ONUpdated 0 paid placements in any rankingHow we rank

Call (905) 714-6789Website ↗

Key facts

Key facts about McMillan Waterproofing Niagara
Address80 Commerce Pl Unit 3, St. Catharines, ON L2S 0B3Get directions
Phone(905) 714-6789
Websiteniagarabasementrepair.com
HoursMonday to Friday: 7:30 AM – 6 PM; Saturday: 7:30 AM – 12 PM
Google rating5.0 from 51 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves St. Catharines and 11 towns within 64 km: Thorold, Niagara Falls, Welland, Port Colborne, Fort Erie, Binbrook, Oakville, Hamilton, Burlington, Mississauga and Ancaster.

Based in St. Catharines, ONView on map

Opening hours

Opening hours for McMillan Waterproofing Niagara
DayHours
Monday7:30 AM – 6 PM
Tuesday7:30 AM – 6 PM
Wednesday7:30 AM – 6 PM
Thursday7:30 AM – 6 PM
Friday7:30 AM – 6 PM
Saturday7:30 AM – 12 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical foundation repair prices

Typical foundation repair prices
JobLowTypicalHigh
Foundation repairPer project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$3,130CA$7,270CA$11,430

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby foundation repair companies

McMillan Waterproofing Niagara compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
McMillan Waterproofing Niagara (this business)—595.0 (51)—YesNo
Aquamaster Basement Waterproofing Mississauga#4595.0 (123)—YesYes51.7 km
ROOTERWORX#5595.0 (121)—YesYes52.0 km
Canada Waterproofers#7595.0 (316)—YesYes56.2 km

See all 267 ranked foundation repair companies in St. Catharines

Reviews

ContractorsRanked reviews

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Google

5.0from 51 Google reviews

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Questions about McMillan Waterproofing Niagara

How is McMillan Waterproofing Niagara ranked in St. Catharines?

McMillan Waterproofing Niagara is ranked #6 of 267 foundation repair companies in St. Catharines by CR Score, with 59 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are McMillan Waterproofing Niagara’s hours?

McMillan Waterproofing Niagara is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 6 PM; Saturday, 7:30 AM – 12 PM. On Saturdays it is open 7:30 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does McMillan Waterproofing Niagara serve?

Serves St. Catharines and 11 towns within 64 km: Thorold, Niagara Falls, Welland, Port Colborne, Fort Erie, Binbrook, Oakville, Hamilton, Burlington, Mississauga and Ancaster. The list is based on the business's location and the usual service radius for foundation repair. Confirm your address is covered when you call.

What do Google reviews say about McMillan Waterproofing Niagara?

McMillan Waterproofing Niagara has a rating of 5.0 from 51 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact McMillan Waterproofing Niagara?

Call McMillan Waterproofing Niagara on (905) 714-6789. The business is at 80 Commerce Pl Unit 3, St. Catharines, ON L2S 0B3. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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