Toronto address · Ward 18, Willowdale
421 Cummer Ave
The City of Toronto has 5 building permits since 2017 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.
- Closed
Small residential project · Pool fence enclosure
Proposal to install a pool and enclosure at the rear of an existing SFD-detached dwelling.
Applied Jul 24, 2019 · issued Jul 31, 2019 · completed Jul 31, 2019 · Permit 19 194447 BLD
- Closed
Heating and ventilation
HVAC - Demolition of existing one storey and construction of a new two storey dwelling with attached garage
Applied Oct 1, 2015 · issued Oct 27, 2015 · completed May 3, 2017 · Permit 15 185457 HVA
- Closed
Plumbing
Plumbing - Demolition of existing one storey and construction of a new two storey dwelling with attached garage
Applied Jul 6, 2015 · issued Jul 22, 2015 · completed May 31, 2017 · Permit 15 185457 PLB
- Closed
New house · New building
Demolition of existing one storey and construction of a new two storey dwelling with attached garage
Applied Jul 6, 2015 · issued Jul 22, 2015 · completed Apr 17, 2019 · 1 home added · Permit 15 185457 BLD
- Closed
Drains and site services
Drain - Demolition of existing one storey and construction of a new two storey dwelling with attached garage
Applied Jul 6, 2015 · issued Jul 22, 2015 · completed May 3, 2017 · Permit 15 185457 DRN
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
37 Risebrough Ave · Minor variance
To construct a new detached dwelling with an integral garage and rear deck. Note: This application was Deferred at the Committee of Adjustment meeting held on August 28, 2025.
130 m away · filed Jun 25, 2025 · Approved
35 Risebrough Ave · Consent
To obtain consent for a technical severance for the purpose of re-establishing two residential lots which merged on title.
150 m away · filed Apr 25, 2025 · Approved
569 Conacher Dr · Minor variance
To construct a new dwelling with a front porch and rear deck.
120 m away · filed Feb 13, 2025 · Approved
406 Cummer Ave · Minor variance
To construct a new detached dwelling.
70 m away · filed Jul 8, 2024 · Approved
408 Cummer Ave · Minor variance
To construct a new detached dwelling.
70 m away · filed Jul 8, 2024 · Approved
369 Cummer Ave · Consent
To obtain consent to sever the property into two residential lots and to construct two new dwellings. File numbers B0034/24NY, A0435/24NY & A0436/24NY will be jointly considered. Please note, this application was previously deferred Thursday, May 15, 2025.
210 m away · filed Jul 5, 2024 · Refused
369 Cummer Ave · Minor variance
To construct a new dwelling and garden suite. File numbers B0034/24NY, A0435/24NY & A0436/24NY will be considered jointly. Please note, this application was previously deferred Thursday, May 15, 2025.
210 m away · filed Jul 5, 2024 · Refused
369 Cummer Ave · Minor variance
To construct a new dwelling and garden suite. File numbers B0034/24NY, A0435/24NY & A0436/24NY will be considered jointly. Please note, this application was previously deferred Thursday, May 15, 2025.
210 m away · filed Jul 5, 2024 · Refused
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.