Mould removal & remediation in North York

Signs you have a mould problem

• A musty smell in the basement, closet or attic
• Black, green or white spots on drywall, wood or caulking
• Peeling paint, warped baseboards or stained ceilings
• Mould coming back after you cleaned it
• Allergy-like symptoms that get better when you leave the house

Why mould shows up in North York homes: older houses and busy condo towers

Much of North York is older housing: brick semis and bungalows with stone or block foundations, little insulation and basements that were finished long after they were built. Moisture wicks through the walls and gets trapped behind drywall and carpet. In condo towers we see a different pattern — window condensation, HVAC closets and slow leaks from the unit above.

How we remove mould

We start with a visual inspection and moisture mapping to find out how far the growth goes and where the water is coming from. The work area is sealed with plastic containment and kept under negative air pressure with HEPA air scrubbers, so spores don't spread to the rest of the home. Mouldy drywall, insulation and carpet are removed and bagged; wood and other structural materials are cleaned and treated. Then we dry the area, fix or recommend the fix for the moisture source, and rebuild.

Mould after water damage

Mould can start growing within 24 to 48 hours of a leak or flood. If you've had a burst pipe, a flooded basement or a sewer backup in North York, the fastest way to prevent mould is proper drying. See our water damage restoration service — the same crew handles both.

Cost and insurance

Cost depends on the size of the area, what materials are affected and how much has to be removed. Small, contained areas can be a few hundred dollars; full basements cost more. Insurance usually covers mould only when it comes from a sudden, covered water event, so we document the cause carefully. Read our mould remediation cost guide.

Where we work in North York

We remove mould in houses, condos, rentals and commercial buildings across Willowdale, Don Mills, York Mills, Bayview Village, Downsview, Lawrence Park, Bedford Park and Armour Heights and the rest of North York. We dispatch from Toronto. In North York we typically arrive in about 60 minutes, depending on traffic and weather — any time of day or night.

We also cover nearby Toronto, Vaughan, Markham, Richmond Hill.