Zoning · Burlington · Residential
RH3 zone, Burlington: High Density Residential RH3
By-law 2020 Part 2, Sections 1-2 and 13-14 (Table 2.13.1, Table 2.14.1); Section 15 (Tables 2.15.1-2.15.2) does not apply to RH3 as street townhouses are not permitted of the City of Burlington Zoning By-law 09-2026 / 2020.
A high-density residential zone for apartment buildings and retirement homes up to 24 m tall, built close to the street (front yard capped at 6 m) at 50 to 185 units per hectare.
Is a property in the RH3 zone? Enter its address and the lookup returns the zone and these standards, including any site-specific exception.
Check an addressWhat the RH3 zone permits
- Apartment Building
- Retirement Home
Standards
| Requirement | By-law |
|---|---|
| Minimum lot area (interior lot) | 1000 m² |
| Minimum lot width (interior lot) | 30 m |
| Minimum front yard | See noteTable 2.14.1: Front Yard and Street Side Yard 6 m MAXIMUM (a maximum setback, not a minimum); no minimum front yard stated for RH3 |
| Minimum interior side yard | 3 m |
| Minimum exterior side yard | See noteTable 2.14.1: Front Yard and Street Side Yard 6 m MAXIMUM (a maximum setback, not a minimum); no minimum street side yard stated for RH3 |
| Minimum rear yard | 7.5 m |
| Maximum building height | 24 m24 m (footnote g: stacked townhouse height per Part 1 s.2.31, but stacked townhouses are not permitted in RH3) |
| Maximum floor space index | 1.25Floor Area Ratio 1.25:1 maximum applies to Retirement Home only |
| Maximum density | 185Density (excluding Retirement Home): 50 units/ha minimum, 185 units/ha maximum |
Other provisions in this section
- Lot Area minimum stated as 0.1 ha (= 1,000 m2) (Table 2.14.1)
- Minimum density (excluding Retirement Home): 50 units per hectare (Table 2.14.1)
- Yard abutting R1, R2, R3, LN3, LN4, LN5, LN6 zone: RH3 column shows '* * *' (no numeric value stated in Table 2.14.1)
- Amenity Area: 25 m2 per unit, 100 m2 minimum (Table 2.14.1)
- Yard abutting a pipeline easement: 7 m; yard abutting a railway right-of-way: 30 m; building setback abutting a creek block: 7.5 m, or 4.5 m if the block includes a 3 m buffer (Table 2.14.1)
- Landscape Area along a street is not required in an RH3 zone (s.14.2)
- Landscape Buffer: 6 m abutting R1, R2, R3, LN3, LN4, LN5, LN6 zones; 3 m abutting R4, R5, LN3, LN7 zones; 3 m abutting RM1 to RM5, LN3, LN8 zones (s.14.2)
- Parking per Part 1, Subsection 2.25 Off-Street Parking and Loading Requirements (s.14.3(a))
- Enclosed occupant parking in RH3: 100% for units exceeding a density of 100 units per hectare (s.14.3(b))
- RH3 parking lot may be set back 1 m from a street line (instead of the general 4.5 m in s.1(h)) if screened by a decorative wall or fence 1 m to 1.2 m high (s.14.3(c)(i))
- RH3 apartment building 3 storeys or less: parking spaces and driveways set back 2 m from a wall containing habitable room windows, in place of the general 3 m (s.14.3(c)(ii))
- RH3 apartment building 4 storeys or more: parking spaces and driveways set back 4 m from a window of a habitable room in a basement or ground floor unit, in place of the general 9 m / 6 m (s.14.3(c)(iii))
- General rule (s.1(i)(i)), still applicable to a Retirement Home: for apartment buildings up to 3 storeys, driveways and parking lots set back 3 m from a wall containing windows of habitable rooms, except where the parking space and driveway is for the exclusive use of the unit occupant; parking spaces set back at least 6 m from an R1, R2, R3, LN3, LN4, LN5, LN6 zone
- General rule (s.1(i)(ii)), still applicable to a Retirement Home: for buildings 4 storeys or more, driveways set back 9 m and parking spaces 6 m from a window of a habitable room in a ground floor or basement dwelling unit; driveways and parking spaces set back 6 m from an R1, R2, R3, LN3, LN4, LN5, LN6 zone
- Enclosed parking structure more than 1.6 m above finished grade must meet principal building yard requirements; below grade or up to 1.6 m above grade must be set back 3 m from a street line; must not encroach into a required landscape buffer abutting a residential zone (s.1(j))
- Waste stored outside must be kept within a solid screen enclosure (s.14.4)
- Holding 'H' prefix: uses per Part 11 s.1.1; development deemed premature until 'H' removed per Part 11 s.1.2 (s.1(a))
- Accessory buildings, patios/decks, fencing, swimming pools, lands adjacent to Lake Ontario/Burlington Bay: refer to Part 1 Subsections 2.2, 2.3, 2.4, 2.5, 2.30 (s.1(b)-(f))
- Prohibited: parking/storing motor vehicles over 3,000 kg GVW, 6 m length or 2.6 m height (except recreational vehicles); stake-body vehicles; recreational vehicles or utility trailers over 3.6 m combined height; any vehicle/boat/trailer in a landscaped open space area (s.2, plus Part 1 s.2.22)
- Stacked townhouses, back-to-back townhouses, street townhouses, community institutions, lodges/private clubs and additional residential units are NOT permitted in RH3 (Table 2.13.1)
- Exceptions to zone designations: see Part 14
Source: By-law 2020 Part 2, Sections 1-2 and 13-14 (Table 2.13.1, Table 2.14.1); Section 15 (Tables 2.15.1-2.15.2) does not apply to RH3 as street townhouses are not permitted, By-law 09-2026 / 2020 (City of Burlington), 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 Burlington: DRH, DRL, DRM, HN, LN1, LN2, LN3, LN4, LN5, LN6, LN7, LN8, R1.1, R1.2, R2.1, R2.2, R2.3, R2.4, R3.1, R3.2, R3.3, R3.4, R4, R5, RAL1, RAL2, RAL3, RAL4, REV1, REV2, REV3, RH1, RH2, RH4, RH5, RM1, RM2, RM3, RM4, RM5, RNA1, RNA2, RNA3, RO1, RO2, RO3, RO4, SNA, URH, URM