4.9★ from 743 GTA homeowners
Chimney Leak Repair Cost in Mississauga — Get Your Price Instantly
Leak tracing, flashing replacement and waterproofing with a dry guarantee. See real chimney leak repair prices in Mississauga in under 60 seconds.
- Real price range in under 60 seconds
- Licensed, insured, WETT & TSSA certified
- Written quote — no surprise add-ons
- Callback within 60 minutes, 8am–8pm
| Job type | Typical price |
|---|---|
| Cap and crown sealingStops the most common entry point | $420 – $780 |
| Flashing replacementStep and counter-flashing renewed | $650 – $1,600 |
| Full masonry waterproofingVapour-permeable sealer, 10-year rated | $780 – $1,900 |
Ranges reflect Mississauga labour and material costs. Your calculator result is tailored to your answers.
Chimney Leak Repair price assistant
Live Mississauga pricing · answers in under 60 seconds
Hi! I'll price your chimney leak repair in Mississauga in a few quick questions — no phone call needed to see the number.
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Licensed, insured, WETT & TSSA certified · 4.9★ from 743 GTA reviews
What Mississauga homeowners say
Camera scan caught a cracked tile
Previous company swept and said everything was fine. Diamond ran a camera and showed me a cracked liner tile on screen. Glad I got the second opinion.
Second flue done same visit
Old house with a furnace flue as well. They handled both in one visit and discounted the second one rather than charging full price twice.
Clean, quiet, respectful
Shoe covers, sheeting, and a sealed vacuum. My wife works from home and barely noticed they were here.
Honest about what I did not need
They told me the flue did not need sweeping yet and charged only for the inspection. First contractor in years to talk me out of spending money.
Chimney Leak Repair pricing questions
- Why is my chimney leaking?
- In Mississauga it is almost always the crown, the cap, or the flashing where the chimney meets the roof. We water-test to confirm before quoting a fix.
- Can you fix it in winter?
- Emergency sealing yes, permanent masonry work needs above-freezing temperatures. We will tell you honestly which one you are getting.
- Is the repair guaranteed?
- Completed waterproofing carries a written no-leak guarantee.
Price another job
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Prefer to just talk to someone?
Call Diamond Home Services and we'll price your chimney leak repair over the phone.
(437) 475-2233