Toronto address · Ward 8, Eglinton-Lawrence
21 Mason Blvd
The City of Toronto has 2 building permits since 2017 (1 still open) 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.
- Inspections under way
Plumbing
Drains.
Applied Apr 28, 2004 · issued Apr 28, 2004 · Permit 04 128814 PLB
- Closed (dormant)
Small residential project · Addition(s)
Int alt & 2nd stry add
Applied Dec 18, 1998 · issued Feb 25, 1999 · completed Jun 8, 2026 · Permit 98 251770 BLD
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
17 Brooke Ave · Minor variance
Proposal to construct a new two-storey detached dwelling with a partially covered rear deck.
150 m away · filed Jul 17, 2026 · Approved
46 Mason Blvd · Minor variance
To construct an ancillary structure (shed) in the rear yard.
180 m away · filed Jun 17, 2026 · Approved
3 Brooke Ave · Minor variance
To alter the existing detached dwelling by constructing a new front porch.
140 m away · filed May 22, 2026 · Approved
31 McNairn Ave · Minor variance
To alter the existing detached dwelling by constructing a one-storey rear addition (sunroom) and a new rear deck.
230 m away · filed Apr 28, 2026 · Approved
3 Mason Blvd · Minor variance
To alter the existing two-storey detached dwelling by constructing additions to the front and north side of the dwelling, a new second storey and a third storey addition.
120 m away · filed Dec 18, 2025 · Approved
46 Mason Blvd · Minor variance
Proposal to construct a gazebo in the rear yard.
180 m away · filed Sep 25, 2025 · Approved
85 Yonge Blvd · Minor variance
To construct a new detached dwelling.
210 m away · filed Apr 14, 2025 · Approved
26 Brooke Ave · Minor variance
To construct a new dwelling.
130 m away · filed Oct 22, 2024 · 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.