Mould Removal Toronto
Mould removal Toronto homeowners call us for usually starts with a musty smell, a dark patch on a wall or a cough that eases when someone leaves the house. The assessment is free, quotes are free, and a crew is on site within 45 minutes when you need one fast. Toronto Mould Removal is fully licensed and insured.
Fully licensed and insured
Monday to Sunday: Open 24 hours

Mould in a Toronto home: what removal actually involves
Toronto Mould Removal is for homeowners who need mould taken out of a house, not just a stain wiped from a wall. Real removal means finding the water that feeds the growth, sealing off the affected room, taking out materials that cannot be cleaned, drying the structure and then rebuilding what was opened up. Skip the water and the mould returns, which is why we start every visit by tracing the source.
Toronto houses give mould plenty of places to start. Many were built decades ago, with finished basements added later, bathrooms fitted with fans that no longer vent properly, and attics whose insulation has shifted over the years. A slow leak behind a vanity or condensation on a cold basement wall can feed a colony for months before anyone sees it. We do the whole job: remove the mould, dry the structure and put the walls, trim and paint back, so you do not need to hire anyone else once we leave.
Where mould shows up in Toronto homes
Basements
Finished basements trap moisture behind drywall and carpet. Musty smells here usually point to a leak, seepage or a past flood.
Learn moreAttics
Winter condensation on the roof deck is a common cause of dark staining on rafters and insulation.
Learn moreBathrooms
Weak exhaust fans and a damp ceiling or window frame let growth spread above the tub and around caulking.
Learn moreAreas we serve and related searches
Mould Removal Mississauga
Basements, bathrooms and attics in Port Credit, Streetsville, Meadowvale and across the city.
Learn moreMould Removal Oakville
Lakeside bungalows, large subdivision homes and finished lower levels.
Learn moreMould Removal Hamilton
Older brick houses, escarpment slopes and rental conversions.
Learn moreMould Removal Brampton
Finished and second-unit basements in Bramalea, Springdale and Heart Lake.
Learn moreMould Removal Vaughan
Large Woodbridge, Maple and Kleinburg homes with deep basements.
Learn moreMould Removal Markham
Unionville heritage houses and tightly built Cornell townhouses.
Learn moreBlack Mould Removal Toronto
What dark growth means and how it is removed, without the scare.
Learn moreHow to tell you have mould
Mould is often smelled before it is seen. A damp, earthy odour that lingers after cleaning is the most common sign. Look also for paint that bubbles or peels, wallpaper that lifts at the seams, ceiling stains that return after painting, and dark spotting in corners and around window frames.
Some signs are about people, not walls. If a cough, congestion or headaches seem better when you are away from home and worse when you return, it is worth having the house assessed. These symptoms have many causes, so an inspection is about finding out what is in the building, not diagnosing anyone.
Signs worth a call
- A musty smell in a basement, closet or bathroom that returns after cleaning
- Dark or fuzzy patches on drywall, trim, grout or the underside of attic sheathing
- A recent leak, flood, sewer backup or roof leak that was dried only on the surface
- Peeling paint, soft drywall or warped baseboards near an exterior wall
- Condensation on windows and cold walls through the winter
What happens when you call
- Free assessmentWe visit, look at the affected areas and the likely water source, and explain what we find in plain language. When you call, a crew is on site within 45 minutes if the situation is urgent.
- Written scope and priceOnce we have seen the house you receive the scope of work and its price in writing, ahead of any removal.
- Containment and removalThe work area is sealed, air is filtered, and affected materials that cannot be cleaned are removed.
- Drying and rebuildMoisture is dried out of the structure, then the finishes we opened up are rebuilt. Where an insurance claim is involved, we send the invoice to your insurance company directly and answer your adjuster's questions.
Who we work with
Toronto Mould Removal works for homeowners, landlords, property managers, condominium corporations and boards, and adjusters.
Commercial customers ask us for help too: restaurants, shops, offices, warehouses and other commercial or industrial buildings with a mould problem.
Mould removal questions from Toronto homeowners
Can I clean mould myself with bleach?
Surface wiping rarely removes growth that has taken hold inside drywall, wood or insulation, and scrubbing can send spores into the air. For anything more than a small, clearly surface-level mark, have it assessed first.
How long does mould removal take?
That depends on how large the affected area is and how wet the structure still is. Expect drying to run 3 to 5 days, and the scope we write will give you a realistic timeline for your home.
Will my insurance company pay for it?
That decision belongs to your insurer and depends on your policy and the cause of the water. We work with your insurance adjuster and document everything so the file is complete.
What does the assessment cost?
Nothing. We visit, take readings and explain what we find at no charge, and only then do you see a written scope and price for any removal.
Do I have to leave my house during removal?
Often not, because the work area is sealed off from the rest of the home. We tell you in advance if a particular job calls for staying elsewhere.
Do you bill my insurance company directly?
Yes. When your mould removal is part of an insurance claim, we bill your insurer directly. We work with all insurance companies and deal with your adjuster for you.
Do you give free quotes?
Yes. We give free quotes and a free assessment, then a written scope and price. We are fully licensed and insured.
Reviews from the team behind Toronto Mould Removal
Toronto Mould Removal is operated by FirstLine Restoration. These reviews were left on Google for FirstLine Restoration, the team that does our work.
“Our home suffered a flood in our upstairs bathroom that travelled throughout the home. Firstline showed up quickly and shut off the flood source. After that, they completed the whole reconstruction process and handled all insurance interactions.”
“Our house flooded, and Firstline came out fast. They were easy to work with, helped deal with insurance, and got everything restored. Really appreciate how smooth they made a stressful situation.”
“Our house flooded and we ended up calling Firstline. They got there fast, walked us through what had to happen, and worked with our insurance company, which helped a lot. The whole thing was stressful, but their team handled it really well and got our home restored.”
“Our warehouse flooded and Firstline got a crew out quickly. They handled the clean up, kept us updated, and helped get the building back in working order. Solid team and easy to deal with.”
“We had a kitchen fire and called Firstline after the damage. They came out quickly, explained the cleanup process, and helped us get things back to normal. It was a tough situation, but their team made it a lot easier to deal with.”
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Call now (416) 272-3881