Toronto address · Ward 4, Parkdale-High Park
78 O'Hara Ave
The City of Toronto has 3 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.
- Cancelled
Small residential project · Underpinning
Proposed underpinning in existing rear addition
Applied Jul 24, 2019 · issued Jul 31, 2019 · completed Mar 18, 2022 · Permit 19 194706 BLD
- Closed
Drains and site services
Drain - Install backwater valve and sump pump
Applied Jan 17, 2017 · issued Jan 17, 2017 · completed Feb 2, 2017 · Permit 16 245941 DRN
- Closed
Small residential project · Interior alterations
Proposal to install a new foundation along north-east corner of basement. Existing foundation either absent or collapsing rubble wall. New central beam to replace existing central beam that has been compromised by former owners.
Applied Nov 2, 2016 · issued Nov 10, 2016 · completed Feb 6, 2017 · Permit 16 245941 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
- Under review
1303-1337 Queen Street West and 220 Cowan Avenue
16 storeys · 175 homes · Mixed use
330 m away · Site plan · Under review · filed Jun 11, 2026
- Approved
7 storeys · 47 homes · Mixed use
360 m away · Site plan · Approved · filed Dec 24, 2021
- Approved
6 storeys · 29 homes · Mixed use
400 m away · Site plan · Approved · filed Mar 24, 2021
- Under review
12 storeys · 169 homes · Mixed use
420 m away · Condominium · Under review · filed Dec 16, 2021
- Under review
18 storeys · 176 homes · Mixed use
440 m away · Site plan · Under review · filed Jun 30, 2025
- Under review
12 storeys · 249 homes · Mixed use
440 m away · Site plan · Under review · filed May 17, 2023
Neighbours’ Committee of Adjustment files within 250 m
70 Lansdowne Ave · Minor variance
To alter the existing two-and one-half-storey townhouse dwelling with four existing dwelling units by converting the basement (currently unfinished) into one new dwelling unit through interior alterations. There will be no exterior alterations. There will be a total of five dwelling units on this lot.
220 m away · filed Dec 1, 2025 · Approved
38 O'Hara Ave · Minor variance
To alter the existing two-and-one-half-storey townhouse dwelling by constructing a rear two-storey addition with a ground floor deck and stairs, and a front basement walkout. The existing rear ground floor deck and a portion of the existing front porch will be demolished.
140 m away · filed Jul 30, 2025 · Approved
18 O'Hara Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a complete third storey addition, a rear two-storey addition with a rear ground level platform with stairs and a third level deck (above the rear second level), and a new front platform with stairs and a front basement walkout. There will be three residential dwelling units on this lot. The existing front porch will be demolished.
220 m away · filed Nov 21, 2024 · Approved
14 Seaforth Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a front basement walkout leading to a secondary suite.
110 m away · filed Jan 5, 2023 · Approved
104 O'Hara Ave · Minor variance
To alter the exisitng two-storey semi-detached dwelling by enclosing the front porch.
90 m away · filed Aug 16, 2022 · Withdrawn
113 Lansdowne Ave · Minor variance
To convert the existing two-and-one-half-storey semi-detached dwelling from one unit into three units by installing two secondary suites and constructing a third storey rear addition with a rear third storey balcony, rear decks on the ground floor and second floor as well as a front basement walkout.
220 m away · filed Oct 8, 2021 · Approved
4 Maple Grove Ave · Minor variance
To alter the existing two-and-a-half-storey semi-detached dwelling by constructing a new front porch.
190 m away · filed Apr 30, 2021 · Approved
11 Seaforth Ave · Minor variance
To construct a new three-storey triplex, with a rear basement walkout, a rear ground floor deck, and rear second and third storey balconies.
130 m away · filed Jan 20, 2021 · 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.