Aylmer · St. Thomas · Elgin County
Built solid. Finished sharp.
Eavestrough installation and repair plus full residential and commercial contracting from a local crew that treats every jobsite like its own address.
What we do
Before and after
Same house, new exterior. Full siding, trim, eavestrough and deck transformation on a recent Elgin County project.
What we do
Exteriors, interiors, and everything managed between
One crew for the water running off your roof and the work happening inside your walls.
Eavestrough & Gutters
Seamless installation, leak repairs, downspouts and re-pitching so water leaves your foundation alone.
Repair & Maintenance
Cleanouts, resealing, fastener replacement and seasonal service to keep systems flowing year-round.
General Contracting
Residential and commercial builds, renovations and additions handled start to finish.
Project & Site Management
Scheduling, trades coordination and on-site oversight that keeps timelines and budgets honest.
Since 2020
A local team you can actually get on the phone
Black Onyx Construction was founded in Aylmer in 2020 and has grown by word of mouth across Elgin County. Straight quotes, clean sites, and work that holds up through Ontario winters.
- Free, no-pressure quotes with clear scope and pricing
- Licensed and insured — residential and commercial
- Direct communication with the people doing the work
- Seasonal maintenance available for existing systems
Recent work
From the jobsite
Free quote
Tell us about your project
Send the details and we'll get back to you with next steps. For urgent repairs, calling is fastest.
Phone
519-852-0243Service area
Aylmer · St. Thomas · Elgin County