Zoning · Vaughan · Residential

R4A zone, Vaughan: Fourth Density Residential Zone

Part 7, Section 7.2: Table 7-2 (permitted uses, R4 column) and Section 7.2.4, Table 7-5 (R4A column) of the City of Vaughan Zoning By-law 001-2021.

A compact low-rise residential zone for single detached and semi-detached houses on small lots (about 9 m wide and 225 m² for a detached house), with up to 55% lot coverage and a 9.5 m height limit.

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What the R4A zone permits

  • Single detached dwelling
  • Semi-detached dwelling
  • Independent living facility
  • Community garden (subject to Part 5 specific use provisions)
  • Model home (subject to Part 5 specific use provisions)
  • Temporary sales office (subject to Part 5 specific use provisions)
  • Home occupation (accessory; subject to Part 5 specific use provisions)
  • Secondary suite (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)225 m²Single detached dwelling: 225 m². Semi-detached dwelling: 165.0 m² per unit.
Minimum lot width (interior lot)9 mSingle detached dwelling: 9 m. Semi-detached dwelling: 7.5 m per unit; reduced by 2.0 m where the lot is accessed by a lane (Table 7-5 note 4).
Minimum front yard3 m3 m for both single detached and semi-detached dwellings. Semi-detached (note 2): where a private garage faces the front lot line, the minimum setback to the private garage is 5.7 m.
Minimum interior side yard1.2 m1.2 m for both dwelling types. Single detached (note 1): 0.6 m where the abutting interior side lot line is 1.2 m or greater, not applicable where the interior side lot line abuts a non-residential use. Semi-detached (note 7): 0.0 m where the common wall of the semi-detached dwelling abuts the interior side lot line.
Minimum exterior side yard2.4 m2.4 m for both dwelling types. Semi-detached (note 2): where a private garage faces the exterior side lot line, the minimum setback to the private garage is 5.7 m.
Minimum rear yard6 m6.0 m for both dwelling types. Semi-detached (note 4): 13.0 m where the lot is accessed by a lane.
Maximum building height9.5 m
Maximum lot coverage55 %
Minimum landscaped open space33 %Single detached dwelling only: minimum 33% landscape of the front yard or exterior side yard (a percentage of the yard, not of the lot). No value stated for semi-detached dwellings.

Other provisions in this section

  • Table 7-2 uses R4 column: per s.2.4.1(3), a reference to the R4 zone encompasses R4A; permitted uses marked (1) are subject to the specific use provisions of Part 5.
  • Single detached dwelling, interior side yard (Table 7-5 note 1): may be reduced to 0.6 m where the abutting interior side lot line is 1.2 m or greater; does not apply where the interior side lot line abuts a non-residential use.
  • Semi-detached dwelling, front and exterior side yard (Table 7-5 note 2): where a private garage faces a front lot line or an exterior side lot line, the minimum setback to the private garage is 5.7 m.
  • Semi-detached dwelling, lots accessed by a lane (Table 7-5 note 4): minimum lot frontage reduced by 2.0 m (from 7.5 m/unit) and minimum rear yard is 13.0 m.
  • Semi-detached dwelling, interior side yard (Table 7-5 note 7): 0.0 m where the common wall of the semi-detached dwelling abuts the interior side lot line.
  • Single detached dwelling: minimum 33% of the front yard or exterior side yard must be landscaped (Table 7-5).
  • Maximum height 9.5 m and maximum lot coverage 55% apply to both single detached and semi-detached dwellings (Table 7-5, R4A column).
  • General provisions of Parts 4 (general standards, encroachments, accessory buildings), 5 (specific use provisions) and 6 (parking) of By-law 001-2021 also apply; they are not restated in Part 7. Site-specific exceptions (Part 14) are not included in this transcription.

Source: Part 7, Section 7.2: Table 7-2 (permitted uses, R4 column) and Section 7.2.4, Table 7-5 (R4A column), 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, R5, R5A, RE, RM1, RM2, RM3, RT1, RT2