Legal Basement Conversion Plumbing Specialists
Legal Basement Suite Plumbing Services in Ontario
Converting a basement into a registered apartment suite? HSC Plumbing completes full plumbing installations for legal secondary units, including water supply separation, underground ABS drains, sub-meters, and inspection sign-offs.
Basement Water Supply Manifold
Labelled hot & cold PEX lines with individual ball valve shutoffs for independent suite maintenance.
Plumbing Scope for Legal Secondary Suites
Basement Bathroom Rough-In
Excavating concrete floor, setting 3" ABS toilet drains, 2" shower drains, vanity rough-in, and proper vent stacks connected to main stack.
Kitchen & Laundry Lines
Running separate hot and cold water supply, kitchen sink waste, dishwasher drainage, and dedicated washing machine standpipe.
Water Supply Separation
Installing dedicated PEX supply trunks from main line with labelled shutoff valves so upstairs and downstairs can be serviced independently.
Backwater Valve & Cleanout
Installing required main line backwater valve and accessible cleanouts to satisfy municipal building permit requirements.
OBC Inspection Readiness
We schedule plumbing rough-in work to match municipal inspector timelines. All lines pressure tested before drywall.
Final Fixture Hookups
Mounting toilets, shower trim valves, glass doors, vanity sinks, faucets, and kitchen plumbing after tiling and cabinets are set.
Get a Quote for Your Basement Suite
Send us details about your floor plan or project address for a direct estimate.
Watch 3pc Bathroom Rough In w/ Laundry
3-piece bathroom rough-in with laundry connections. Essential drain, waste, and vent plumbing setup for legal secondary suites.