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Home Waterproofing Services in Newmarket
Winter prep starts now! Book a FREE basement inspection today, speak with our contractors and receive custom waterproofing solutions that will protect your Newmarket home from the snow, ice and rain.
Leaky Basement? Book Our Basement Waterproofing Services Today!
Basement leaks are not something to ignore, even the smallest leak can lead to structural issues with your foundation, mould issues, and significantly affect the health of your family. Newmarket lies within the Lake Simcoe Region watershed, meaning properties located near East Holland River, Bogart Creek, or Tannery Creek corridors might be particularly susceptible to flooding or water damage. Don’t wait to find out! Book a FREE basement inspection with our local waterproofing contractors today.
If you have experienced a flood, give us a call to book our 24/7 emergency flood clean-up and water damage restoration services. We will dispatch a team within 45 minutes to come straight to your home to remediate the issue and fix the leak.
Why Trust DGI With Newmarket Waterproofing Services:
Affordable Waterpoofing Services
We know basement waterproofing can be expensive, which is why we create custom waterproofing plans that work within your budget
Local Waterproofing Contractors
We have a team of experienced waterproofing contractors throughout Newmarket, who are trained, licensed and have local knowledge of the area.
Up To 25 Years Warranty
We offer an excellent warranty package for all our home waterproofing services, enjoy 25 years warranty on all our exterior solutions and 10 years warranty on all of our interior solutions.
How Much Does It Cost To Waterproof Newmarket Basements?
We price our waterproofing services per linear square foot, making sure you only pay for the work you need, keeping it affordable while still being customizable. We believe in transparency and fair pricing, so you’ll always know what to expect when you book with DGI Waterproofing.
| Service | Cost | |
|---|---|---|
| 1 | Exterior Waterproofing | $50 – $300+ per linear ft. (Cost depends on depth and access)* |
| 2 | Interior Waterproofing | $50 – $200 per linear ft.* |
| 3 | Waterproofing Foundation Cracks | $1500-$3000 (Cost depends on width and depth)* |
| 4 | Basement Waterproofing | $6 to $8 per sq. ft. (Cost depends on materials and company)* |
| 5 | Mould Remediation | $1000 – $100,000* |
| 6 | Waterproofing Newer Homes | $2.75 – $4 per sq. ft. * |
*Please note that all prices are approximate and may vary based on the specifics of a project.
Popular Waterproofing & Water Damage Solutions
Looking for reliable waterproofing solutions that protects your home? Take a look at some of the waterproofing services we offer, to see how DGI Waterproofing can help protect your property from all kinds of moisture issues.
Local Newmarket Conditions That Make Basement Waterproofing Necessary
- Rainstorms are getting heavier and more intense: Climate data shows that extreme rainfall events in Southern Ontario have increased by 20–30% over the past few decades, with more rain falling in shorter periods of time. (Source: Canadian Climate Institute)
- Newmarket is part of a regulated flood-risk watershed: The Town of Newmarket lies within the Lake Simcoe watershed, where floodplains and regulated areas are formally mapped due to known flood and high-water risks. Even homes outside visible flood zones can be affected by rising groundwater during major storms. (Source: FloodSmart Canada)
- At-risk neighbourhoods in Newmarket: Homes in Central Newmarket, Gorham-College Manor, Bogarttown, Woodland Hill, Bristol-London, Huron Heights, and areas near Fairy Lake are closer to creeks, river corridors, or lower-lying land where water naturally collects during heavy rain and spring snowmelt. (Source: LSRCA)
- Clay-heavy soil: Much of Newmarket is built on clay-rich soil associated with the Oak Ridges Moraine, which drains slowly and holds moisture. This means water stays against the basement walls longer after rain, increasing the chance of leaks through cracks or joints. (Source: Wikipedia)
- Available waterproofing rebates: York Region offers a Basement Flooding Protection Subsidy Program, which helps homeowners offset the cost of approved upgrades such as sump pumps and backwater valves, making preventative waterproofing more affordable than ever. (Source: York Region)
Signs Your Basement Is Leaking & Needs Waterproofing
Basement waterproofing should be a preventative measure, however, we understand that sometimes this is not possible. Below we have outlined some signs that your basement might have a leak, and it is important to book waterproofing services as soon as possible.
1. Water Seepage or Active Leaks
- Water entering through walls, floor joints, or cracks
- Puddles forming
- Dripping water from basement windows or cold joints
If you see water once, it’s likely to happen again – usually worse next time.
2. Persistent Damp or Musty Smells
- Basement smells earthy, mouldy, or “wet” even when it looks dry
- Odours get stronger after rain or humid weather
This means moisture is trapped behind walls/under flooring, a common issue in Newmarket homes with older damp-proofing systems.
3. Cracks in Foundation Walls or Basement Floors
- Vertical or diagonal wall cracks/floor cracks
- Cracks widening over time
- Cracks that feel damp or show white residue (efflorescence)
Cracks allow groundwater to enter under pressure, especially in Newmarkets clay-rich soil.
4. White Powdery Stains on Walls (Efflorescence)
- Chalky white residue on concrete or block walls
- Often appears after moisture evaporates
This is a clear sign that water is moving through your foundation, even if you don’t see active leaks yet.
5. Mould or Mildew Growth
- Black, green, or white mould on walls, baseboards, insulation, or stored items
- Increased allergy or respiratory symptoms indoors
Waterproofing isn’t just about water – it’s about protecting air quality and your family’s health.
6. Peeling Paint or Bubbling Wall Finishes
- Paint blistering or flaking on the basement walls
- Drywall swelling, softening, or crumbling at the bottom
This often means moisture is entering behind the wall, not just surface humidity.
7. Cold, Clammy Basement Walls
- Walls feel cold and damp to the touch
- Condensation forming on surfaces even in winter
Signals groundwater pressure and poor exterior waterproofing rather than just indoor humidity.
9. Warped Flooring or Rusted Fixtures
- Buckling laminate or lifting vinyl flooring
- Rust on metal shelving, furnace components, or support posts
Even minor moisture over time can quietly damage your home’s structure and mechanical systems.
Watch Our Team Work
Your Trusted Partner for Basement Waterproofing in Newmarket
Don’t let water damage compromise your property’s integrity. Contact us today for expert waterproofing services or water damage restoration services! Protect your home and commercial space from the next rainfall and ensure a dry, secure environment.