MarkhamBuilding PermitsPlumbing & Drains

Plumbing Data Form - Housing: For interior alterations

Published by City of Markham

This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Form
Published by: City of Markham
Date: March 2026
Also called: Plumbing Data Housing Form
Form reference: City of Markham Building By-law
For: any
Signed by: permit applicant
Building types: All building types
Pages: 1

Overview

The City of Markham's one-page Plumbing Data Form - Housing, dated March 2026, for interior alterations to an existing house, semi-detached house or townhouse unit, distinct from its three-page housing form for all Part 9 housing applications. It records existing and new building drains and sewers, municipal or private, well or septic, and a fixture-by-fixture count, from backwater valves and bathtubs to sinks, water closets and sump pumps, split into existing to remain, new or relocated, and new construction. The permit applicant declares it matches the drawings.

What it covers

A. Project Information
B. Building Drains / Sewers
C. Fixtures
D. Declaration of Permit Applicant

Check this against the municipality before you rely on it.

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