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Classic Waterproofing OshawaFoundation repair company in Oshawa, ON

Classic Waterproofing Oshawa is a foundation repair company at 570 Montcalm Ave, Oshawa, ON L1J 2H1, ranked #7 of 271 foundation repair companies in Oshawa and rated 5.0 from 50 Google reviews. Open 7 days a week.

Oshawa, ONUpdated 0 paid placements in any rankingHow we rank

Call (647) 523-6324Website ↗

Key facts

Key facts about Classic Waterproofing Oshawa
Address570 Montcalm Ave, Oshawa, ON L1J 2H1Get directions
Phone(647) 523-6324
Websiteclassicwaterproofingandconcrete.ca
HoursMonday to Friday: 7 AM – 7 PM; Saturday and Sunday: 9 AM – 5 PM
Google rating5.0 from 50 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Foundation Repairmain tradeGoogle main category
  • Plumbingadditional Google category
  • Concreteadditional Google category
  • Water Damage Restorationadditional Google category

Service area

Serves Oshawa and 11 towns within 64 km: Ajax, Pickering, Uxbridge, Markham, Scarborough, Port Hope, East York, Willowdale, Richmond Hill, North York and Toronto.

Based in Oshawa, ONView on map

Opening hours

Opening hours for Classic Waterproofing Oshawa
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
Saturday9 AM – 5 PM
Sunday9 AM – 5 PM
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 50 Google reviews

Hired Classic Waterproofing Oshawa? Write a review

Questions about Classic Waterproofing Oshawa

How is Classic Waterproofing Oshawa ranked in Oshawa?

Classic Waterproofing Oshawa is ranked #7 of 271 foundation repair companies in Oshawa by CR Score, with 61 out of 100 as of November 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 Classic Waterproofing Oshawa’s hours?

Classic Waterproofing Oshawa is open 7 days a week. Its listed hours are Monday to Friday, 7 AM – 7 PM; Saturday and Sunday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM, and on Sundays 9 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

What areas does Classic Waterproofing Oshawa serve?

Serves Oshawa and 11 towns within 64 km: Ajax, Pickering, Uxbridge, Markham, Scarborough, Port Hope, East York, Willowdale, Richmond Hill, North York and Toronto. 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 Classic Waterproofing Oshawa?

Classic Waterproofing Oshawa has a rating of 5.0 from 50 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 Classic Waterproofing Oshawa?

Call Classic Waterproofing Oshawa on (647) 523-6324. The business is at 570 Montcalm Ave, Oshawa, ON L1J 2H1. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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Compare nearby foundation repair companies

Classic Waterproofing Oshawa compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Classic Waterproofing Oshawa (this business)—615.0 (50)—YesYes
Aquaphobia Foundation Repair & Crack Injections#5615.0 (102)—YesYes16.8 km
Aquatech Basement Waterproofing Oshawa#6615.0 (49)—YesYes8.6 km
Call the Plumbing Doctor Inc. & Call the Foundation Doctor Inc.#8604.8 (182)—YesYes3.9 km

See all 271 ranked foundation repair companies in Oshawa