Home permits in Markham, ON

For a deck in Markham, height above grade, attachment to the house, roof/cover, guards, stairs and structural work can change the permit path. The municipal source below is the authority for the local threshold and drawings.

For a shed or accessory structure in Markham, check size, plumbing, attachment, intended use, height and zoning setbacks. A small storage-shed exemption in one municipality should never be copied into another.

For a basement project in Markham, separate cosmetic finishing from structural work, new plumbing, a new entrance, underpinning or a new dwelling unit. Those changes can move the project into a different permit category.

For a secondary suite or other additional dwelling unit in Markham, confirm zoning, building-permit, fire/life-safety, egress and trade requirements. Do not treat it as an ordinary basement finish.

For an addition in Markham, expect the municipality to review the added floor area or footprint along with zoning, site conditions, drawings and structural design. Use the local source before paying for final plans.

Markham says a building permit is needed before starting most construction, demolition or renovation projects, subject to listed exceptions.

For structural work in Markham, removing or adding walls, changing openings, altering framing/foundations or changing load paths should be checked as building-permit work rather than cosmetic renovation.

For a pool or hot tub in Markham, check more than the pool itself: enclosure/fence, zoning, grading, setbacks and site-alteration approvals may have separate rules.

For a garage or carport in Markham, size, attachment, setbacks, plumbing and structural design can change both zoning and building-permit requirements.

For plumbing or HVAC work in Markham, building-permit and trade-permit responsibilities may be separate. Confirm who issues plumbing, drainage, heating, ventilation, gas and electrical approvals before work starts.