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Development Watch · Beta

What’s being built in Markham

Active development applications across Markham — rezonings, site plans, subdivisions and Official Plan amendments — from The Regional Municipality of York's open data. See what’s proposed near any home before you buy.

1,050 applications listed by the municipality as open or recently decided0 residential units proposed across 865 sites574 historical records

Of these, 504 have a published date within the last five years, 546 are long-running open files with no published activity in five years. 400 have their own DistrictIQ page.

Units proposed in active applications — a proposal is not an approval, and proposed units are not homes guaranteed to be built.

Recent current applications

Showing 60 of 1,050 open or recently decided applications, most recently submitted first — concurrent applications on one site are shown once.

Show 40 more current applications
See these on the map

Browse every Markham record

524 applications have their own page. Open the full lists below instead of scrolling one long page.

Current development applications in Markham400 open or recently decided files, newest first

Historical records by year received (124)

Historical planning records

574 since 2013Show

Approved or closed applications with no municipal activity in the last 5 years — likely built out or dormant. Retained as a research record; not counted in the current pipeline.

Worried about development near a home in Markham?

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Source: The Regional Municipality of York — Active Development Application Boundaries, adapted and normalized by DistrictIQ. Contains public sector information made available under The Regional Municipality of York's Open Data Licence. The Regional Municipality of York does not endorse DistrictIQ. Status and figures reflect the municipality’s published record and can change — always confirm current details with the The Regional Municipality of York.

York Region Open Data LicenceOfficial The Regional Municipality of York development applications