Toronto address · Ward 4, Parkdale-High Park
53 Seaforth Ave
The City of Toronto has 3 building permits since 2017 (3 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.
- Revision issued
Small residential project · Interior alterations
Rev 01- Finishing the basementConstruct interior alterations to all floors
Applied Oct 24, 2024 · issued Nov 7, 2024 · Permit 21 145678 BLD (revision 01)
- Inspections under way
Plumbing
Plumbing - Construct interior alterations to all floors
Applied Apr 25, 2021 · issued Jul 8, 2021 · Permit 21 145678 PLB
- Inspections under way
Small residential project · Interior alterations
Construct interior alterations to all floors
Applied Apr 25, 2021 · issued Jul 8, 2021 · Permit 21 145678 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
7 storeys · 47 homes · Mixed use
250 m away · Site plan · Approved · filed Dec 24, 2021
- Under review
1303-1337 Queen Street West and 220 Cowan Avenue
16 storeys · 175 homes · Mixed use
270 m away · Site plan · Under review · filed Jun 11, 2026
- Approved
6 storeys · 29 homes · Mixed use
290 m away · Site plan · Approved · filed Mar 24, 2021
- Under review
12 storeys · 249 homes · Mixed use
330 m away · Site plan · Under review · filed May 17, 2023
- Under review
12 storeys · 169 homes · Mixed use
440 m away · Condominium · Under review · filed Dec 16, 2021
- Approved
27 storeys · 362 homes · Mixed use
490 m away · Site plan · Approved · filed Apr 21, 2023
Neighbours’ Committee of Adjustment files within 250 m
93 MacDonell Ave · Minor variance
To legalize and to maintain the existing rear ground floor deck with stairs, as well as a one-storey side (south) addition above the existing basement walkout, which were constructed beyond/without an authorized building permit.
230 m away · filed Jul 28, 2026 · Approved
1375 Queen St W · Minor variance
To alter the development standards for the mixed-use development which is currently under construction, ((approved as 8-storeys under Site Specific Zoning By-law 413-2024(OLT)), and increased to 9-storeys ((29.41 m in building height) excluding the Mechanical Penthouse, as approved under Minor Variance Decision A0905/24TEY)) by currently increasing the building height to 10-storeys ((33.46 m in building height) including the Mechanical Penthouse, and one new residential unit)), increasing the maximum gross floor area, altering the minimum building setbacks, and reducing the indoor and outdoor…
250 m away · filed Jun 18, 2026 · Approved
85 MacDonell Ave · Minor variance
To construct a new rear one-storey semi-detached ancillary building (greenhouse and storage shed), abutting the side (north) lot line and adjacent to the existing carport.
220 m away · filed Mar 31, 2026 · Approved
22 Brock Ave · Minor variance
To alter the existing two-and-one-half-storey townhouse dwelling by constructing a front basement walkout, a rear two-storey addition (replacing the existing rear one-storey addition) with a second storey deck, and a third storey addition.
250 m away · filed Jan 16, 2026 · Approved
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.
180 m away · filed Dec 1, 2025 · Approved
29 MacDonell Ave · Minor variance
To alter the existing three-storey detached dwelling by constructing a rear one-storey addition with deck, and a rear second storey balcony extension. Also, to maintain the existing side (south) covered porch with stairs, a side (south) second storey balcony, and a rear third storey balcony. There will be a total of three residential dwelling units on this lot (one unit occupying the basement level, one unit occupying the ground level, and one unit occupying the second and third levels).
240 m away · filed Nov 26, 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.
80 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.
150 m away · filed Nov 21, 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.