Toronto address · Ward 18, Willowdale
17 Theresa Ave
The City of Toronto has 4 building permits since 2017 (4 still open) and 1 Committee of Adjustment file on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Permit issued
Heating and ventilation
HVAC - Proposal to construct a new Garden Suite in the rear yard, with basement.
Applied May 25, 2026 · issued Jun 16, 2026 · Permit 26 164322 HVA
- Permit issued
Drains and site services
Drain - Proposal to construct a new Garden Suite in the rear yard, with basement.
Applied May 22, 2026 · issued Jun 16, 2026 · Permit 26 164322 DRN
- Permit issued
Plumbing
Plumbing - Proposal to construct a new Garden Suite in the rear yard, with basement.
Applied May 22, 2026 · issued Jun 29, 2026 · Permit 26 164322 PLB
- Permit issued
Small residential project · New laneway / rear yard suite
Proposal to construct a new two-storey Garden Suite in the rear yard, with basement.
Applied May 21, 2026 · issued Jun 16, 2026 · 1 home added · Permit 26 164322 BLD
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · New R building
To construct a new two-storey ancillary building (garden suite) in the rear yard of the property.
Decision: Approved (hearing Jan 8, 2026)
Filed Nov 5, 2025 · File A0469/25NY
What’s planned nearby
Development sites within 500 m
- Under review
Not stated in the file
430 m away · Rezoning · Under review · filed Feb 25, 2025
- Under review
3 storeys · Residential
430 m away · Site plan · Under review · filed Oct 17, 2024
Neighbours’ Committee of Adjustment files within 250 m
3 Avonhill Crt · Minor variance
To construct a new three-storey dwelling with a rear covered porch, lower terrace and a second storey balcony.
230 m away · filed Jun 1, 2026 · Approved
247 Drewry Ave · Minor variance
To construct a new dwelling and a garden suite
190 m away · filed Mar 13, 2024 · Refused
318 Drewry Ave · Minor variance
To construct a new dwelling. File numbers B0040/22NY, A0618/22NY, AND A0619/22NY will be jointly considered.
190 m away · filed Sep 8, 2022 · Approved
318 Drewry Ave · Consent
To obtain consent to sever the property into two residential lots. File numbers B0040/22NY, A0618/22NY, AND A0619/22NY will be jointly considered.
190 m away · filed Sep 8, 2022 · Approved
318 Drewry Ave · Minor variance
To construct a new dwelling. File numbers B0040/22NY, A0618/22NY, AND A0619/22NY will be jointly considered.
190 m away · filed Sep 8, 2022 · Approved
3 Avonhill Crt · Minor variance
To construct a new dwelling. Please note, this application was deferred March 11, 2021, in order to provide proper notification to the Public.
230 m away · filed Dec 14, 2020 · Approved
6 Gardenia Crt · Minor variance
To construct a rear deck.
140 m away · filed May 17, 2017 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.