Plumbing code compliance and inspections in Newmarket.
Commercial plumbing that passes the first time. We build to the Ontario Plumbing Code, book the underground, rough-in and final inspections with the Town of Newmarket, and correct deficiencies on existing buildings so occupancy is not held up.

What does plumbing code compliance involve on a commercial project?
It means the drain, vent, water and fixture work is designed and installed to the Ontario Plumbing Code, the plumbing permit is in place, and the underground, rough-in and final inspections are passed with the municipality. Seal Plumbing builds to the code from the start and handles the inspection schedule.
A failed plumbing inspection stalls everything behind it: drywall, flooring, the fire inspection and the occupancy permit. On Newmarket commercial projects, Seal Plumbing installs to the Ontario Plumbing Code, reviews the drawings for code issues before the first inspection and keeps the paperwork current with the Town of Newmarket building department.
On existing buildings we also handle compliance work: a change of use that adds fixtures, a washroom that no longer meets the code, missing backflow prevention, or a deficiency list from an inspection or a property condition assessment. We write up what needs to change, quote it within 24 to 48 hours and do the work.
Our crew is WHMIS and working-at-heights certified and the company is licensed and insured, so site safety documentation is not a problem. For the installation side, see commercial drain, vent and water line installation.
Code and inspection work we handle
- Plumbing permit applications & drawings
- Underground, rough-in & final inspections
- Backflow prevention to code
- Fixture count & accessibility compliance
- Deficiency corrections on existing buildings
- Documentation for occupancy & closeout
How does plumbing code compliance & inspections work in Newmarket?
Code issues get caught on paper, not by the inspector.
Drawing review
We check the mechanical set against the Ontario Plumbing Code: fixture units, drain and vent sizing, trap and cleanout placement, backflow and water heater requirements.
Permit and schedule
The plumbing permit is applied for with the municipality and the inspection sequence is set with your GC.
Inspections passed
We are on site for each underground, rough-in and final inspection, with the system tested in advance.
Closeout
You receive the passed inspection records and any test certificates needed for occupancy.


What does plumbing code compliance & inspections cost in Newmarket?
Plumbing code compliance work in Newmarket is quoted in writing within 24 to 48 hours. On new work the permit and inspections are built into the installation quote. On existing buildings the price depends on what the deficiency list or change of use requires: a backflow device is a short visit, added fixtures or a new washroom is a rough-in job.
Commercial quotes are itemized by phase and submitted in writing within 24 to 48 hours of receiving the drawings. The written quote is the number that counts; changes to the drawings or scope are priced as change orders, also in writing.
What other commercial plumbing services do you offer in Newmarket?
The same licensed crew, across every commercial service and sector in Newmarket.
What does your recent commercial work look like?
Commercial installations that passed inspection, from recent projects. Tap a photo for a closer look.
Which Newmarket areas do you serve?
Commercial and industrial units along Harry Walker Parkway, Leslie Street and the Highway 404 corridor, the Main Street, Davis Drive and Yonge Street storefronts, and projects across Newmarket, Aurora, Bradford and the north GTA.
Commercial work across the GTA: see the main commercial plumbing page or all service areas →
Residential job instead? See our Newmarket plumber page.
Plumbing Code Compliance & Inspections questions Newmarket businesses ask
How do I get started?
Call 647-402-4825 or send your drawings through the contact page. Quotes on commercial work are submitted within 24 to 48 hours, in writing, from the mechanical and architectural drawings.