Leader In Basement
Waterproofing Toronto
50,000+
Happy Customers
Since 1996
Established
24/7
Emergency Service
Aquatech Waterproofing is Toronto‘s most trusted basement waterproofing company, offering interior and exterior solutions for wet basements, foundation cracks, mould, and leaks. With over 30 years of experience, we’ve helped thousands of homeowners across the GTA protect their basements with permanent, affordable solutions, experience our quality firsthand.
We were featured on CTV News! Check it out

Aquatech Basement Waterproofing Toronto
#1 Basement Waterproofing
Company In Toronto.
Whether you’re dealing with a wet basement, a leaky basement, or other waterproofing issues, our experts have the know-how to provide effective solutions.
We’re so confident in the services that we offer free consultations to assess your needs and provide tailored recommendations. With our extensive experience and expertise, you can trust us to get the job done right.
- Lifetime Warranty, passed on to a new owner at no cost if you sell
- Price Match Guarantee on any licensed Ontario competitor’s written quote
- 10-Time HomeStars Best of Award Winner
- 2026 Top Choice Award Winner
- Recognized Trades Master Oversight on Every Job Site
- Over 50,000 Basements Protected Across Ontario Since 1996
- 24/7 Emergency Response
- Free, No-Obligation On-Site Inspection
- BBB A+ Accredited



WATERPROOFING CALCULATOR
Estimate the cost of your upcoming waterproofing project online and receive a free PDF
FOUNDATION CALCULATOR
Calculate your cost and get a free PDF estimate using our foundation repair calculator.
INTERIOR WATERPROOFING
Ensure your basement stays dry with Toronto’s expert interior waterproofing solutions
WATERPROOFING COST
Discover the cost variations
for various waterproofing
services available in Toronto
All Basement Waterproofing Services
Learn More About Waterproofing Services in Toronto
Basement Waterproofing
Exterior Waterproofing
Interior Waterproofing
Emergency Waterproofing
Sump Pump Installation
Battery Backup Pump
Backwater Valve
Foundation Repair
Concrete Floor Installation
Weeping Tile Installation
Drain Repair Services
Wet Basement Repair
Leaky Basement Repair
Sewer Drain Cleaning
Basement Lowering
Basement Underpinning
Window Well Installation
Crawl Space Conversion
Epoxy Injection Repair
French Drain Installation
Bench Footing
Egress Window Installation
Drain Pipe Cleaning

Best of HomeStars Winner
If you’re looking for a waterproofing company that can provide you with top-rated services, Aquatech is a perfect choice.
Who we are
Insured And Licensed Toronto Waterproofing Contractors
Aquatech Basement Waterproofing Toronto provides licensed and insured waterproofing contractors for all types of basement waterproofing and foundation repair.
From leaky basements to structural foundation issues, we deliver long-lasting solutions using high-quality materials across Toronto and the GTA.
Basement Waterproofing Toronto
Interior & exterior solutions for long-term protection
Licensed & Insured Contractors
Certified experts with proven experience
Wet Basement Repair
Eliminate leaks, moisture, and mold problems
Foundation Crack Repair
Fix structural issues and prevent water damage
The Most Licensed Waterproofing Contractors in Ontario
Every Aquatech project is completed by licensed, insured professionals who are accountable to the highest trade standards in Ontario. Here’s what backs every technician we send to your home:
- Licensed Toronto Building Renovator: Officially authorized to perform specialized structural work, including Basement Waterproofing, Basement Underpinning, and Basement Concrete Floor installations (License: T85-4304413).
- Certified Mississauga Plumbing & Waterproofing: Fully credentialed to manage complex drainage and plumbing systems (License: 2026 002979 TC).
- Recognized Trades Master: Led by a certified Trades Master (Certification: 2026 002981 TM), ensuring elite-level technical oversight on every job site.
Current Waterproofing Offers
Price
Match Guarantee
Get a lower quote from any licensed Ontario waterproofing contractor, and Aquatech will match it: same scope, same materials.
$300 Off
Waterproofing Services
Save $300 on exterior waterproofing projects over $12,000; ask your estimator to apply the discount at your free consultation.
lifetime
transferable Warranty
Enjoy peace of mind with long-term protection. Our systems are built to last and fully backed by warranty.
AquaTech – Award-Winning BasementWaterproofing Contractor

BUSINESS PROFILE
Waterproofing Contractors
Aqua Tech Waterproofing
AquaTech Basement Waterproofing
Toronto
5,0
717 Google reviews
Waterproofing service in Toronto, Canada
We’ve been named a HomeStars Best of Award winner 10 times, backed by over 850 verified 5-star reviews from homeowners across Ontario. On Google, more than 1,000 customers have rated us 5 stars. The Better Business Bureau recognizes Aquatech as an A+ Accredited Business, their highest rating.
Our work has been recognized beyond our customers too. Publications including the Financial Post, Toronto Star, Digital Journal, and the Canadian Business Journal have highlighted Aquatech’s achievements as one of Ontario’s leading waterproofing companies.
But the credential we’re most proud of? Our lifetime warranty. We offer it because we stand behind every job we do, and because your peace of mind shouldn’t come with an expiry date.
100% RISK-FREE WATERPROOFING ESTIMATES
Book Your Free Basement Inspection
Get Basement Waterproofing Prices in Under 2 Minutes
- Basement Waterproofing & Foundation Repair Experts
- Compare Quotes & Choose What Fits Your Budget
- Trusted Toronto Contractors Compete – You Save
- Fast, Free & No-Obligation Estimates
30+ Years Protecting Homes Across Toronto & GTA
CITY OF TORONTO PROGRAM
Toronto Basement Flooding Protection Rebates & Subsidies
Eligible Toronto homeowners may qualify for financial help through the City of Toronto’s Basement Flooding Protection Subsidy Program. As of May 2026, the program provides up to $6,650 per property across approved measures, subject to program requirements and available funding.
Eligible work may include:
- A home plumbing assessment
- Backwater valve installation
- Sump pump installation and eligible battery backup power
- Qualifying severance and capping of storm sewer or external weeping tile connections
Applicants must own an eligible single-family, duplex, triplex, or fourplex home in Toronto and meet the City’s application, permit, inspection, and installation requirements. Subsidy amounts are based on eligible invoiced costs and vary by measure.
The program covers specific flood-protection upgrades, so general interior or exterior waterproofing is not part of it. Review the City’s current requirements before arranging work or applying, and contact us if you’d like help choosing the upgrades that suit your home.
Aquatech Won GTA’s Top Choice Waterproofing Services of 2026
We are proud to announce that Aquatech Waterproofing has been named GTA’s Top Choice Waterproofing Services of 2026 by the Top Choice Awards® – one of Canada’s most recognized consumer choice programs. This award is determined by the communities we serve, which makes it especially meaningful to us.
For over 30 years, we’ve shown up for Ontario homeowners with honest advice, quality workmanship, and a lifetime warranty we stand behind without hesitation. Being recognized as a 2026 Top Choice Award winner reflects the trust our customers place in us every day – and it pushes us to keep raising the bar. We are grateful, we are proud, and we remain fully committed to earning this recognition year after year.

Why Choose Us
We Offer The Best Basement Waterproofing Services In Toronto
We pride ourselves on being experts in leaking basements and piping systems. Our experience enables us to develop specialized solutions to the challenges and needs of our clientele.
We can give your basement a comprehensive waterproofing package which fully suits your basement requirements and our technicians will examine your basement thoroughly to determine what causes leaking. We offer specialized waterproofing services and are able to efficiently repair leaky basements throughout Toronto.
Over 30 Years of Experience
Trusted basement waterproofing Toronto experts for wet basements and foundation repair.
24/7 Emergency Service
Fast response for wet basement repair, leaks, and flood control.
Top Rated Company
5-star reviews and award-winning waterproofing services in Toronto.
Affordable Pricing
Competitive rates starting at $69/ft for basement waterproofing.
Certified Experts
Professional team specializing in foundation cracks, leaks, and mold prevention.
Serving Toronto & GTA
Reliable basement waterproofing services across Toronto and surrounding areas.
What Our Clients Have to Say
Basement Waterproofing Testimonials
How Much Does It Cost To Waterproof
A Basement in Toronto?
Basement waterproofing costs in Toronto vary depending on the service and scope of work. Interior waterproofing runs $69 to $190 per linear foot, while exterior waterproofing runs $110 to $500 per linear foot.
Foundation repair ranges from $500 to $15,000 depending on severity, sump pump installation typically costs $550 to $3,650, weeping tile installation runs $60 to $300 per linear foot, and window well installation costs $1,500 to $3,900 per well. Factors influencing your final price include basement size, water damage severity, chosen method, accessibility, and foundation type.


Explore Our Videos
Aquatech Offers Price Match Guarantee
Getting multiple quotes before choosing a waterproofing contractor is the right thing to do. We encourage it.
- Any licensed Ontario waterproofing contractor Bring us a written quote from any fully licensed, insured competitor – interior waterproofing, exterior, crack repair, sump pumps, and more.
- Same scope, same quality, lower price. We match quotes for equivalent work using comparable materials. Your lifetime warranty stays exactly the same.
- Decided before you get other quotes? No problem. Book your free Aquatech estimate first, then compare. We’ll honour the price match right up until the contract is signed.



Lower Your Costs with Our Waterproofing Discounts
To maximize your savings, simply present our digital or physical coupons to your estimator during your initial on-site consultation to have the discounts applied directly to your project quote.
Our coupons help make professional waterproofing services more affordable. Save $300 on basement waterproofing, $60 on sump pump installation, or $160 on drain cleaning services for leaky basement lines.
Signs You May Need Basement Waterproofing
Structural Damage
If you notice puddles or damp spots on your basement floor, it’s a sign of water seepage. Common causes include poor drainage, foundation cracks, or hydrostatic pressure. Waterproofing your basement helps prevent further damage and keeps the space dry and usable.
Over Top Of The Wall Leaking
Water seeping from the top of basement walls often indicates foundation stress caused by external sources like overflowing gutters or poorly sealed windows. Basement waterproofing helps prevent this type of infiltration and protects your home from potential structural damage.
Mold And Mildew Growth
Mold and mildew in your basement indicate excess moisture and poor ventilation. These conditions can impact your health and damage your space. Basement waterproofing helps control moisture, prevent mold growth, and create a healthier environment.
Dangers Of Ignoring Basement Water Leaks
Structural Damage
Water leaks can weaken your basement’s foundation, leading to cracks, leaning walls, and settling. This damage can become costly to repair. Basement waterproofing helps prevent further deterioration and protects your home’s structure.
Decreased Property Value
Moisture problems can reduce your property’s value, as buyers and appraisers factor them into home assessments. Waterproofing your basement protects your investment and helps maintain or increase your property’s market worth.
Pest Infestations
Damp basements create an ideal environment for pests like rodents and insects. These unwelcome guests can be a nuisance, pose health risks, and cause property damage.


Benefits of Basement Waterproofing
A dry basement protects more than just the room itself, it protects the structure above it, your family’s health, and your home’s long-term value. Water damage rarely stays contained to one area, once it’s found a way in, it spreads into framing, flooring, and anything stored nearby, turning a small problem into a genuinely expensive one. Whether you need interior or exterior waterproofing, the benefits compound the longer the system’s in place, and every project is backed by a lifetime warranty, so the protection doesn’t quietly expire while you’re not paying attention.
- Prevents structural damage: water pressure is a leading cause of foundation cracking over time
- Stops mold before it starts: a dry basement removes the moisture mold needs to grow
- Protects stored belongings: no more risking what’s in the basement every time it rains
- Increases resale value: a documented, warrantied system is something a buyer’s inspector can verify
- Reduces long-term costs: preventing damage now costs far less than repairing it later
See Every Solution aquatech offers
Waterproofing Solutions Across the GTA
Every basement leaks differently, and this diagram shows exactly where. From foundation cracks and failing weeping tile to sump pump installation and full exterior or interior waterproofing, Aquatech addresses every point where water can enter your home, not just the symptom you happen to notice first. Whether your property is in Toronto, Mississauga, or elsewhere across the GTA, the same standard of diagnosis and workmanship applies, backed by a lifetime warranty. Explore the labels below to see how each service fits into the full picture of protecting your foundation.

- Foundation Repair in Toronto
- Sump Pump Installation in Toronto
- Interior Waterproofing in Toronto
- Exterior Waterproofing in Toronto
- Foundation Repair in Toronto
- Exterior Waterproofing in Toronto



We Use Only Professional-Grade Waterproofing Materials
If you’re into DIY, you can buy high-quality materials from our shop, including options like 4″ x 100′ Corrugated Drain Pipe with Filter, Bakor 990-06 Yellow Jacket 6 Inch, Termination Bar, DELTA®-MS Below-Grade Dimpled Membrane, DMX Air-Gap, Aquablock 770-06, and more.
Discover our materials and do not hesitate to reach out to us for recommendations.
Aquatech Basement Waterproofing In The News
Aquatech’s reputation extends well beyond the neighbourhoods we serve. The Financial Post, Toronto Star, Digital Journal, and the Canadian Business Journal have all recognized Aquatech as one of Ontario’s most trusted waterproofing companies. Being featured in some of Canada’s most respected publications reflects the standard we hold ourselves to on every single job – and the confidence our customers place in us, year after year.
Aquatech Toronto Featured on CHCH News
Aquatech’s expertise doesn’t just show up on job sites – it shows up on the news. CHCH News invited our owner for an on-camera interview to speak about basement waterproofing challenges facing Hamilton homeowners today.
Real expertise isn’t claimed – it’s demonstrated. Being selected by one of Hamilton’s most recognized news outlets as the go-to voice for basement waterproofing is a reflection of the trust Aquatech has built in this community over three decades of consistent, warranted work.
How Aquatech Compares to Other Toronto Basement Waterproofing Companies
When researching basement waterproofing in Toronto, it’s essential to compare providers carefully. Aquatech consistentlyoutperforms other Toronto basement waterproofing companies across key metrics that matter most to homeowners:
| Comparison Factor | Aquatech Waterproofing | Other Toronto Companies |
|---|---|---|
| Years in Business | 30+ years of specialized experience | Often less than 10 years or general contractors |
| Warranty | Transferable lifetime warranty on all waterproofing | Typically 5-10 years with limitations |
| Materials | Premium-grade membranes and drainage systems | Standard builder-grade materials |
| Technicians | Certified waterproofing specialists with 10+ years average experience | Often subcontractors with minimal training |
| Inspection Process | 27-point foundation assessment with moisture mapping | Basic visual inspections |
| Project Completion | 98% completed on schedule | Industry average of 65% on-time completion |
| Customer Satisfaction | 97% 5-star rating from over 50,000 Toronto homeowners | Industry average of 78% satisfaction |
| Post-Service Support | Lifetime service guarantee with annual inspections | Limited or fee-based service calls |
Our basement waterproofing Toronto experts deliver superior results through specialized training, advanced techniques,and an unwavering commitment to excellence that has made us the most trusted name in basement waterproofing across the GTA.

Basement Waterproofing for Toronto’s Unique Challenges
Toronto’s climate creates unique challenges for basement waterproofing, with spring thaws, summer storms, and winter freeze-thaw cycles exposing your basement to year-round moisture. Our solutions are designed for these conditions, using proven techniques and materials tailored to the Greater Toronto Area’s soil and weather patterns.
As a Toronto-based company, we understand the specific basement waterproofing needs of homes in Etobicoke, North York, Scarborough, and throughout the GTA. Our local expertise ensures that your basement waterproofing project addresses the particular challenges of your Toronto neighborhood, from high water tables in riverside communities to the clay soil conditions common throughout the region.
Service Areas
Aquatech Waterproofing provides services across
the Greater Toronto Area (GTA), including:
Serving The Following Locations In The GTA
Aquatech Basement Waterproofing Toronto
Visit AquaTech Waterproofing at one of our Toronto locations.
Get Direction to Aquatech Waterproofing Toronto
Phone:
1-866-620-8492 (Toll Free)
647-584-0763
Email:
info@aquatechwaterproofing.ca
Address:
20 Hyde Ave. Toronto, ON M6M 1J3
Hours of Operation:
Monday – Sunday
Open 24 Hours
Serving Toronto & the GTA with trusted waterproofing solutions.



































