Licensed & Insured.
Award Winning.
Drainage Experts.
Ontario Downspout Service is a licensed and insured father and son company that never subcontracts our work.
Contact Us
A Family-Run Company
A family owned and operated boutique exterior contractor that has been servicing the GTA for decades. We specialize in the inspection, repair & replacement of: Eavestrough, Soffit & Fascia, Siding & Roofing.
HomeStars Customer Rating
Seven Times
Best of HomeStars Winner
Job Completed In The GTA
What Our Customers Say
James Dean
It was an absolute pleasure dealing with Mark from start to finish. He replaced our roof, soffit, fascia, eaves and all of the rotted wood. He also installed beautiful copper detailing around our front porch. We wouldn’t hesitate to recommend Mark, he truly goes the extra mile for you.
Janette MacAvoy
We received several quotes before deciding to go with Ontario Downspout Service. What stood out to us was Mark’s customer service, attention to detail and transparency. Mark replaced our roof, soffit, fascia and eavestroughs in a timely manner and left the work site spotless.
Ontario Downspout Service
Best of 2021 - Winner 7 Times!
Outstanding Work!
I hired Mark/Ontario Downspout Service in July 2021 to replace my eaves and disconnect a downspout. Mark worked with my schedule and went out of his way to ensure my experience wasn’t ridden with dread. Personal...
Roof And Eaves
An honest family business that treats its customers stellarly. From the time they start with conscientious care of our property to a great job cleaning up. They are hardworking and meticulous using excellent quality products. Th...
Excellent Work
Mark and his crew did my roof and my neighbour's. Their work is excellent and well worth what we paid. Mark is on the job and on the roof with his crew. Everything was done well with quality materials. The crew showe...
Don't Look Any Further
Friendly. Honest. Responsive. Reliable. Fair. Reasonable. Concerned. Decent. Came through as promised. We thought we had a leak in the roof they installed three years ago. Mark came within 90 minutes (!!!) and diagno...
Emergency Service
We noticed a bit of leaking in our basement bathroom ceiling and realized it was an ice dam buildup. We'd never had that before so I wanted to get it resolved asap. It was 9pm and I found Ontario Downspout Service on H...
Replacement of Roof & Eaves
We had a small job done on downspouts last year and turned again to Harvey and Mark for a bigger job this year, full replacement of roof and eaves. Mark and his crew were great to work with both in the planning s...
Eaves Replacement
Our eavestroughs were badly in need of replacement and our roof was nearing the end of its useful life. I called Ontario Downspout Service and Harvey Stone came out shortly afterward to get up on the roof to look at...
Full Eaves Replacement
I called Ontario Downspout Service after seeing work done in my neighbourhood. I was impressed with the quick call back from Harvey. He came by and took time to talk about options with us. We decided to do a f...
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