ONA zone, Burlington: North Aldershot Office (ONA)

Part 9, Sections 1-3 and 11 (Table 9.3.1, Table 9.11.1) of the City of Burlington Zoning By-law 09-2026 / 2020.

A North Aldershot zone mainly for office buildings, with agricultural, low-intensity outdoor recreation and pre-1995 detached dwellings also allowed, where buildings must sit well back from neighbouring zones and stay under 3 storeys / 11 m.

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

Check an address

What the ONA zone permits

All Office uses
Outdoor Recreation (only non-intensive outdoor recreation such as walking trails, nature viewing, bird watching as the principal use - footnote c)
Detached Dwelling on a lot existing as of January 6, 1995 (subject to Part 9, Section 4 RNA1 Zone regulations - footnote d)
Agricultural Uses
Accessory Farm Commercial (only in conjunction with a commercial farm - footnote a)
Accessory Farm Dwelling Unit (only in conjunction with a commercial farm and only for farm help - footnote b)
Archaeological Conservation Projects
Forest, Wildlife, Fisheries Management Projects
Veterinary Services (only on existing lots of at least 1.2 ha; animal-keeping buildings/structures/enclosures set back 30 m from any lot line or street line - footnote e)
Additional Residential Units (subject to Part 1, Section 2.21(u) - footnote h)

Standards

Requirement	By-law
Minimum front yard	9 mTable 9.11.1 gives no front yard as such: yard abutting an S zone 14 m; yard abutting all other zones 9 m
Minimum interior side yard	3 m
Minimum rear yard	7.5 m
Maximum building height	11 m3 storeys to a maximum of 11 m

Other provisions in this section

Yard abutting an S zone: 14 m; yard abutting all other zones: 9 m (Table 9.11.1)
Building setback abutting a creek block with a 15 m buffer: 10 m (Table 9.11.1)
Maximum impervious coverage: 60% of net total area (Table 9.11.1)
Landscape area abutting a street: 3 m (s.11.2)
Landscape buffer abutting an O3 zone: 7.5 m (s.11.2)
Loading and unloading docks must be screened from view of the street (s.11.3(a))
Outside storage prohibited; waste and refuse containers permitted only if screened from view (s.11.3(b))
A decorative exterior finish must be maintained on building elevations facing a street (s.11.4(a))
Holding 'H' prefix: uses per Part 11, s.1.1; development premature until H removed per Part 11, s.1.2 (s.1(a))
Accessory buildings/structures, patios and decks, fencing and privacy screens, swimming pools: refer to Part 1, ss.2.2-2.5 (s.1(b)-(e))
L-shaped detached dwelling without attached garage forming one side and one end of a 4.5 m x 6.5 m parking space: side yard same as for a dwelling with an attached garage (s.1(f))
Prohibited (s.2): parking/storing a recreational vehicle over 3000 kg registered GVW, 6 m length or 2.6 m height; any motor vehicle with a stake body; a vehicle on/off trailer or a utility trailer including load exceeding 3.6 m combined height; plus the uses in Part 1, s.2.22
All uses subject to Part 1 (General Conditions and Provisions) and Part 14 (Exceptions to Zone Designations)

Source: Part 9, Sections 1-3 and 11 (Table 9.3.1, Table 9.11.1), 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 commercial zones in Burlington: CC1, CC2, CE, CN1, CN2, CNA, CR