Toronto address · Ward 6, York Centre
3999 Dufferin St
The City of Toronto has 1 building permit 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
Drains and site services · Inside and outside drains
Installation of Back Water Valve and clean out to existing main inside the home and repairing a 4 ft run of pipe that has signs of cracking.
Applied Mar 11, 2022 · issued Jun 22, 2022 · completed Sep 8, 2022 · Permit 22 121858 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
- Under review
20 De Boers Drive and 1100 Sheppard Avenue West
55 storeys · 1,759 homes · Mixed use
290 m away · Rezoning · Under review · filed Jul 10, 2024
- Under review
12 storeys · 319 homes · Residential
370 m away · Rezoning · Under review · filed Jul 3, 2025
Neighbours’ Committee of Adjustment files within 250 m
333 Brighton Ave · Minor variance
Proposal to construct a new dwelling with integral garage
250 m away · filed Jun 16, 2023 · Approved
10 De Boers Dr · Minor variance
To reduce the parking dimensions for 15 existing parking spaces in a below grade parking structure.
220 m away · filed Aug 28, 2020 · 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.