Basement plumbing
Basement
bathrooms
Below-grade rough-ins, ejector pits, legal-suite plumbing. Most builders avoid it — I specialize in it. Permit-ready drawings and city inspection coordination included.
Published rates
What it costs.
Real ranges based on SW Ontario market. Final quote on-site after a 15-min look at access + scope.
Full 3-piece basement bath rough-in
DWV + supply, includes existing-pit tie-in
$3,800 – $8,500
Basement bath finish (set 3 fixtures)
Toilet, vanity, shower valve & trim
$950 – $2,400
Laundry tub install
Single basin + faucet + drain tie-in
$475 – $1,150
Ejector pit + pump install
Liberty / Zoeller pit, pump, check, vent, electrical tie
$2,100 – $4,200
Basement rough-in only (pre-drywall, 3 stubs)
DWV + supply stubbed for future fixture install
$2,950 – $6,800
Concrete saw-cut for drain (typical 3-pc run)
15-25 ft saw cut, dust control + haul-away
$800 – $1,900
Backwater valve install
Code-required for most below-grade fixtures. London rebate-eligible, St Thomas confirm at quote
$1,600 – $3,200
Repair / one-off basement plumbing
Service call + first hour, then hourly. After-hours $235/hr.
$165 + $135/hr
All bands plus HST. Permits, electrician sub (ejector circuit), and disposal billed at cost. Bands assume existing readable stack + slab access — extra-deep slabs, hard rebar, or remote stack runs push to upper band.
Scope
Detail being written.
Every job's scope varies — call for an honest run-through. I'll walk through your specific install, what permits we need, and what it costs before any work starts.