Zoning · Vaughan · Residential

RM3 zone, Vaughan: Multiple Unit Residential Zone

Part 7, Section 7.3 (7.3.1 Table 7-6; 7.3.3 Table 7-8) of the City of Vaughan Zoning By-law 001-2021.

A high-density residential zone for apartment buildings, podium townhouses, retirement residences and supported-living facilities on lots at least 30 m wide, with buildings up to 48 m tall subject to podium-and-tower rules above 20 m.

Is a property in the RM3 zone? Enter its address and the lookup returns the zone and these standards, including any site-specific exception.

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What the RM3 zone permits

  • Apartment dwelling
  • Independent living facility
  • Podium townhouse dwelling
  • Retirement residence
  • Supportive living facility
  • Community garden (subject to Part 5 specific use provisions)
  • Urban square
  • Temporary sales office (subject to Part 5 specific use provisions)
  • Home occupation (accessory; subject to Part 5 specific use provisions)
  • Short-term rental (accessory; subject to Part 5 specific use provisions)

Standards

RequirementBy-law
Minimum lot area (interior lot)65 m²65.0 m² of lot area per dwelling unit (Table 7-8); total minimum lot area depends on the number of units
Minimum lot width (interior lot)30 m
Minimum front yard7.5 m
Minimum interior side yard7.5 m
Minimum exterior side yard7.5 m
Minimum rear yard7.5 m
Maximum building height48 m
Maximum lot coverageNo requirement
Minimum landscaped open space10 %

Other provisions in this section

  • Not permitted in RM3 (Table 7-6): block townhouse dwelling, multiple-unit townhouse dwelling, street townhouse dwelling, model home, secondary suite.
  • Community garden, temporary sales office, home occupation and short-term rental are subject to the specific use provisions of Part 5 (Table 7-6 note 2).
  • Minimum separation between buildings containing dwelling units: no requirement (Table 7-8).
  • Maximum width of the front main wall of a block of multiple-unit townhouse dwellings: no requirement (Table 7-8).
  • 45-degree angular plane applies (Table 7-8 note 3): required in the RM3 Zone, applied from the rear lot line, where the RM3 Zone abuts any other Residential Zone except another RM2 or RM3 Zone.
  • Podium and tower requirements apply to any building with a height greater than 20.0 m (Table 7-8).
  • Minimum podium height 10.5 m; maximum podium height 20 m (Table 7-8).
  • Minimum tower step-back 3 m (Table 7-8).
  • Maximum tower floor plate 850 m² (Table 7-8).
  • Minimum tower separation 30 m (Table 7-8 note 4): a balcony may encroach into the required tower separation by the same amount a balcony may encroach into a required yard under Part 4.
  • Minimum tower setback from any rear lot line and interior side lot line 12.5 m (Table 7-8).
  • Minimum landscaped strip 3 m wide on any interior side lot line or rear lot line abutting any other Residential Zone, except an RT or RM Zone (Table 7-8).
  • Minimum landscaped strip 3 m wide abutting a street line (Table 7-8).
  • Table 7-8 note 1: minimum rear yard for a back-to-back townhouse dwelling is 0.0 m where the dwelling units share a common wall (general RM note; townhouse forms other than podium townhouse are not permitted in RM3).
  • Table 7-8 note 2 (7.5 m interior side yard where an RM1 or RM2 Zone abuts another Residential Zone) is specific to RM1/RM2 and does not alter the RM3 value.

Source: Part 7, Section 7.3 (7.3.1 Table 7-6; 7.3.3 Table 7-8), By-law 001-2021 (City of Vaughan), checked 2026-09-12. General provisions elsewhere in the by-law (parking, driveways, accessory buildings) also apply, and a numbered exception on the parcel can change any value here. Treat this as a pre-check, not a sign-off.

Other residential zones in Vaughan: R1, R1A, R1B, R1C, R1D, R1E, R2, R2A, R3, R3A, R4, R4A, R5, R5A, RE, RM1, RM2, RT1, RT2