Home › Plumber in Newmarket › Commercial plumbing
Commercial Plumbing · Newmarket, ON · Updated October 2026

Commercial plumbing in Newmarket.

Retail, office, industrial, hospitality and healthcare plumbing, delivered by licensed plumbers who read the drawings, quote within 24 to 48 hours and build to the Ontario Plumbing Code. Signed. Sealed. Delivered.

Vertical drain and vent risers in a commercial build-out by Seal Plumbing

What commercial plumbing work do you do in Newmarket?

Seal Plumbing handles the full plumbing scope on commercial projects: drawing analysis and takeoffs, concrete scanning and slab cutting, underground and above-ground drain, vent and water line installation, fixture installation, and the permits and inspections that close the job. Quotes are submitted within 24 to 48 hours of receiving the drawings.

Newmarket commercial work ranges from a single storefront fit-out on Main Street to a new unit on Harry Walker Parkway with underground drains still to be cut. Seal Plumbing is Pete and Joseph, licensed plumbers who have built retail, office, industrial, hospitality and healthcare projects across the GTA and now serve York Region and the north GTA from Newmarket out.

Every commercial job starts with the mechanical and architectural drawings. We analyze them, flag conflicts before they become change orders, and submit a written quote within 24 to 48 hours. On site we coordinate with your general contractor and the other trades, keep the plumbing inspections moving with the Town of Newmarket, and leave each phase ready for the next trade.

Our crew is WHMIS and working-at-heights certified, and the company is licensed and insured. The pages below cover each commercial service and each sector in detail, and the main commercial page covers our GTA-wide commercial work.

Commercial scope we handle in Newmarket

  • Mechanical & architectural drawing analysis
  • Quotes submitted within 24 to 48 hours
  • Concrete scanning, slab cutting & chipping
  • Commercial drain, vent & water line installation
  • Ontario Plumbing Code compliance & inspections
  • WHMIS & working-at-heights certified crew

How does commercial plumbing work in Newmarket?

The same sequence on every commercial project, from the first set of drawings to the final inspection.

1

Send the drawings

Email the mechanical and architectural sets through the contact page. We review the plumbing scope, flag conflicts and confirm what the inspector will want to see.

2

Written quote in 24 to 48 hours

You get an itemized quote from the drawings, with exclusions stated, so your budget and schedule are set before anyone is on site.

3

Scan, cut and rough in

Concrete is scanned before any slab is cut. Underground drains go in first, then the above-ground drain, vent and water lines, each phase inspected before it is closed.

4

Fixtures, test and sign-off

Fixtures and equipment are set and tested, the final plumbing inspection is passed and you get the closeout you need for occupancy.

Underground drain trench in a commercial unit by Seal Plumbing
Underground drains cut and set
Vertical drain and vent risers in a commercial build-out by Seal Plumbing
Drain and vent risers

What does commercial plumbing cost in Newmarket?

Commercial plumbing in Newmarket is quoted in writing from the drawings, within 24 to 48 hours of receiving them. The price depends on the fixture count, how much concrete has to be opened for underground work, the length of the drain and water runs, and the equipment the project requires.

Fixture countWashrooms, kitchens and equipment hookups drive the labour and material.
Underground workScanning, cutting and chipping slab for new drains is a separate line in the quote.
Schedule and phasingRough-in, inspection and finish visits are planned around the other trades.

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.

Our Work

What does your recent commercial work look like?

Commercial fit-outs, underground drainage and risers from recent projects across the GTA. Tap a photo for a closer look.

See the full project gallery →

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.

Main StreetDavis DriveYonge StreetHarry Walker ParkwayLeslie StreetMulock DriveHighway 404 corridorAuroraBradfordKing City

Commercial work across the GTA: see the main commercial plumbing page or all service areas →

Residential job instead? See our Newmarket plumber page.

Commercial Plumbing questions Newmarket businesses ask

Yes. We handle commercial plumbing across Newmarket, Aurora, Bradford, King City, Richmond Hill and the north GTA, from single-unit fit-outs to new builds with underground drainage.
Within 24 to 48 hours of receiving the mechanical and architectural drawings. If drawings are not available yet, we can quote from a site visit and a scope letter.
Yes. We work under the Ontario Plumbing Code, coordinate with the Town of Newmarket building department, and schedule the underground, rough-in and final plumbing inspections.
The crew is WHMIS and working-at-heights certified, and Seal Plumbing is licensed and insured. We provide the documents your site safety plan requires.
Retail, office, industrial, hospitality and healthcare projects. See the sector pages for what each type of build typically involves.

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.