Zoning · Oakville · Agricultural

GB zone, Oakville: Greenbelt

Part 13 (Environmental Zones): Section 13.2, Table 13.2; Section 13.3, Table 13.3; Section 13.4 (MDS) of the Town of Oakville Zoning By-law 2014-014, as amended by 2017-025, 2023-024, 2024-111.

A rural greenbelt zone for farms, conservation land and large-lot detached homes, where new houses are only allowed on lots that already existed and were vacant on December 16, 2004.

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What the GB zone permits

  • Attached additional residential unit (max one of the footnote-3 accessory uses per dwelling; 2023-024, 2024-111)
  • Agriculture
  • Bed and breakfast establishment (max one of the footnote-3 accessory uses per dwelling)
  • Boarding kennel
  • Conservation use
  • Day care (max one of the footnote-3 accessory uses per dwelling)
  • Detached dwelling (legal uses existing on the lot on December 16, 2004 only; a new dwelling and accessory buildings may be erected only on a lot that legally existed and was vacant on December 16, 2004)
  • Home occupation
  • Legal uses of land, buildings and structures existing on the lot as of December 16, 2004
  • Lodging house (max one of the footnote-3 accessory uses per dwelling)
  • Park, public
  • Private home day care (max one of the footnote-3 accessory uses per dwelling)
  • Short-term accommodation (subject to footnote 3 but excludes attached additional residential units; 2024-111)
  • Stormwater management facility

Standards

RequirementBy-law
Minimum lot area (interior lot)8000 m²0.8 ha (8,000 m²); footnote 1: minimum lot area for a detached dwelling is 0.3 ha (3,000 m²)
Minimum lot width (interior lot)45.5 m
Minimum front yard15 m15.0 m; footnote 2: minimum yard for a detached dwelling is 7.5 m
Minimum interior side yard15 m15.0 m; footnote 2: minimum yard for a detached dwelling is 7.5 m
Minimum exterior side yard15 mFlankage yard 15.0 m; footnote 2: minimum yard for a detached dwelling is 7.5 m
Minimum rear yard15 m15.0 m; footnote 2: minimum yard for a detached dwelling is 7.5 m
Maximum building height12 m12.0 m; footnote 3: maximum height does not apply to buildings and structures used for agriculture
Maximum lot coverage25 %

Other provisions in this section

  • Table 13.2 fn 1: detached dwellings are permitted only as legal uses existing on the lot on December 16, 2004; a new dwelling and accessory buildings/structures may be erected only on a lot that legally existed and was vacant on December 16, 2004.
  • Table 13.2 fn 3: a maximum of one of the accessory uses subject to footnote 3 (attached additional residential unit, bed and breakfast, day care, lodging house, private home day care, short-term accommodation) is permitted in a dwelling.
  • Table 13.2 fn 6: short-term accommodation is subject to footnote 3 but excludes attached additional residential units (2024-111).
  • Table 13.3 fn 1: minimum lot area for a detached dwelling is 0.3 ha.
  • Table 13.3 fn 2: minimum front, flankage, interior side and rear yard for a detached dwelling is 7.5 m (15.0 m for other uses).
  • Table 13.3 fn 3: the 12.0 m maximum height does not apply to buildings and structures used for agriculture.
  • s.13.4.1 MDS II: no livestock facility may be erected or enlarged unless it complies with the Minimum Distance Separation II Formula.
  • s.13.4.2: the MDS formulae used are OMAFRA Publication 707 (2006).
  • Not permitted in GB: emergency service facility, golf course, marina, outside miniature golf, private park, wayside pit and quarry, and legal uses existing only as of the effective date of this By-law.

Source: Part 13 (Environmental Zones): Section 13.2, Table 13.2; Section 13.3, Table 13.3; Section 13.4 (MDS), By-law 2014-014 (Town of Oakville), 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.