Toronto address · Ward 14, Toronto-Danforth
21 Mortimer Ave
The City of Toronto has 2 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
Drains and site services · Back water valve (Sewer only)
Proposal for installing a drain Backwater Valve
Applied Aug 30, 2023 · issued Aug 30, 2023 · completed Sep 15, 2023 · Permit 23 195874 DRN
- Closed
Small residential project · Party wall admin permits
Underpinning of party wall on east side / 23 mortimer ave
Applied Jun 27, 2023 · issued Jun 30, 2023 · completed Sep 15, 2023 · Permit 23 166857 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
- Approved
995-1005 Broadview Avenue and 2-4 Mortimer Avenue
7 storeys · 50 homes · Mixed use
120 m away · Site plan · Approved · filed Dec 6, 2021
- Submitted
16 storeys · 332 homes · Mixed use
260 m away · Site plan · Submitted · filed Apr 2, 2026
- Approved
954-958 Broadview Avenue and 72 Chester Hill Road
26 storeys · 309 homes · Mixed use
350 m away · Rezoning · Approved · filed Sep 3, 2025
- Under review
954-958 Broadview Avenue and 72 Chester Hill Road
26 storeys · 310 homes · Mixed use
350 m away · Site plan · Under review · filed Dec 17, 2021
- Under review
8-40 Gowan Avenue and 5-19 Cosburn Avenue
24 storeys · 424 homes · Residential
420 m away · Site plan · Under review · filed Apr 26, 2022
Neighbours’ Committee of Adjustment files within 250 m
120 Fulton Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear third storey dormer addition with a rooftop deck.
220 m away · filed Jul 29, 2026 · Hearing scheduled
59 Fulton Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a partial front one-storey addition (partial porch enclosure) and a new front walkway (pavers). The existing dwelling (containing two residential dwelling units) will be converted into one residential dwelling unit.
200 m away · filed Apr 8, 2026 · Approved
90 Fulton Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a front third storey dormer (the existing dormer will be demolished), a rear third storey addition, a rear three-storey addition with a rear basement walkout, and a rear ground floor deck with stairs.
170 m away · filed Jun 24, 2025 · Approved
80 Nealon Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition, and a rear ground floor covered deck with a rear basement extension below.
130 m away · filed Aug 1, 2024 · Approved
94 Fulton Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear two-storey addition, a partial third storey addition with a rear terrace (above the second storey roof), a front second storey terrace (above the front porch), and a rear ground floor deck with stairs. The existing front porch and front second storey balcony will be reconstructed.
170 m away · filed Apr 3, 2024 · Approved
55 Fulton Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a one-storey rear addition (with basement), a ground floor (east) side porch and stairs, as well as a rear ground floor terrace. The existing rear (ground and second floor) decks will be demolished.
200 m away · filed Aug 23, 2023 · Approved
12 Nealon Ave · Minor variance
To alter the existing one-and-one-half-storey dwelling by constructing a complete second storey addition, and to install one secondary unit within the basement. Also, to construct a rear ground floor deck with stairs. The existing ancillary building (detached garage), in the rear yard, will be maintained and unaltered.
110 m away · filed Aug 21, 2023 · Approved
51 Nealon Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a complete third storey addition with a front planter and a rear terrace.
150 m away · filed Apr 3, 2023 · 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.