Zoning & Bylaw Assistant

T1HomeHomeowners and small contractors, 1–2 units · Building Code: Part 9T2Small building / multi-unitSmall builders, 3 or more units, small mixed use · Building Code: Part 9T3Commercial / industrial / institutionalTenants, owners and businesses · Building Code: Part 3 or Part 9T4Major development / high-riseDevelopers · Building Code: Part 3T5Land and lot changesOwners, surveyors and developers · Building Code: No building

Tiers split by the Building Code: Part 9 is 3 storeys or fewer and 600 m² or less (O. Reg. 332/12 Div. A 1.1.2.4); bigger buildings, and assembly, care or high-hazard uses, are Part 3 (1.1.2.2).

T2 · Small building / multi-unit

Duplex, triplex or fourplex conversionPermit list; full answer coming nextNew small multi-unit buildingPermit list; full answer coming nextTownhouses / rowPermit list; full answer coming nextSmall mixed use (shop + units)Permit list; full answer coming nextAddition to a multi-unit buildingPermit list; full answer coming next

T4 · Major development / high-rise

Mid-rise / high-rise residentialPermit list; full answer coming nextMajor mixed usePermit list; full answer coming nextLarge commercial / industrial campusPermit list; full answer coming nextInstitutional (school, hospital, care home)Permit list; full answer coming nextPhased project / early start or occupancyPermit list; full answer coming next

T5 · Land and lot changes

Sever a lot / lot splitPermit list; full answer coming nextLot-line adjustment / consolidationPermit list; full answer coming nextPlan of subdivisionPermit list; full answer coming nextCondominiumPermit list; full answer coming nextRezoningPermit list; full answer coming nextOfficial Plan amendmentPermit list; full answer coming nextMinor variancePermit list; full answer coming nextLease or easement over 21 yearsPermit list; full answer coming nextZoning letter / compliance checkPermit list; full answer coming next

Type of workWhich permit type applies

Floor area of the work (m²)Shed and deck thresholds; the fee basis

Height of the deck above the ground (m)Deck permit trigger (about 0.6 m / 2 ft)

Storeys above grade (storeys)More than 3 storeys means Building Code Part 3

Building area (footprint) (m²)More than 600 m² means Part 3, and an engineer for demolition

Dwelling units (existing → proposed) (units)

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Multi-unit permit path; ARU rules

Major occupancy (existing → proposed)

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Part 3 or Part 9; change-of-use analysis

Estimated construction value ($)Building fee basis

Use or business typeLetter of Use; zoning use check

Hazardous materials stored?Letter of Use for industrial storage

Commercial cooking?NFPA 96 kitchen exhaust drawings

Does the design meet zoning (setbacks, height, coverage, parking)?Minor variance or rezoning branch

Plumbing in the accessory building?10 m² vs 15 m² permit trigger

Deepest water (m)Pool enclosure permit over 600 mm

Hot tub with a locking cover?Locking-cover hot tubs are exempt

Trees affected (on City land or protected)?Tree permit

ServicingSeptic permit; site servicing drawings

Lot area (m²)Consent vs subdivision; zone lot-area test

Lot frontage (m)Zone frontage test

New lots to create (lots)Consent (one lot) vs plan of subdivision (several lots)

Want an early start or early occupancy?Conditional permit; occupancy before completion

Applying asOwner authorization forms

Zoning & Bylaw Assistant Canadian

What do you want to build, and where?

T1 · Home

T2 · Small building / multi-unit

T3 · Commercial / industrial / institutional

T4 · Major development / high-rise

T5 · Land and lot changes