Toronto address · Ward 4, Parkdale-High Park
310 Sunnyside Ave
The City of Toronto has 11 building permits since 2017 (7 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.
- Permit issued
Small residential project · Deck
Proposal to construct a new deck (26 m2) in rear yard of existing single family dwelling.
Applied Sep 24, 2026 · issued Sep 25, 2026 · Permit 26 243352 BLD
- Cancelled
Small residential project · Deck
A proposed deck of 27.6 sqm in the rear yard.
Applied Sep 2, 2026 · completed Sep 8, 2026 · Permit 26 231523 BLD
- Revision issued
Small residential project · Multiple projects
REV 01: Revision: Interior alterationProposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Aug 31, 2026 · issued Sep 2, 2026 · Permit 26 141652 BLD (revision 01)
- Inspections under way
Small residential project · Garage
Proposal for reconstruction of garage, pouring new pad and reframing the building.
Applied Jul 29, 2026 · issued Jul 30, 2026 · Permit 26 210785 BLD
- Revision issued
Heating and ventilation
REV 01 - Revision to 26 141652 HVA 00 MS - revision to HVAC drawing and calculationsHVAC - Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Jun 4, 2026 · issued Jun 25, 2026 · Permit 26 141652 HVA (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied May 7, 2026 · issued May 11, 2026 · Permit 26 141652 HVA
- Inspections under way
Small residential project · Multiple projects
Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Apr 10, 2026 · issued Apr 22, 2026 · Permit 26 141652 BLD
- Inspections under way
Plumbing
Plumbing - Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Apr 10, 2026 · issued Apr 23, 2026 · Permit 26 141652 PLB
- Closed
Plumbing · Fixtures/Roof Drains: SFD
Proposal to restore plumbing fixtures.
Applied Apr 7, 2026 · issued Apr 9, 2026 · completed Apr 28, 2026 · Permit 26 139910 PSA
- Cancelled
Plumbing
Plumbing - Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Mar 30, 2026 · completed Apr 7, 2026 · Permit 26 136486 PLB
- Cancelled
Small residential project · Multiple projects
Proposal to convert dwelling from 2 units back to SFD, interior alteration at basement, first, second and third floors, adding new windows and doors
Applied Mar 30, 2026 · completed Jun 19, 2026 · Permit 26 136486 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
15 Constance St · Minor variance
230 m away · filed Sep 24, 2026 · Accepted
167 Westminster Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition with a ground floor deck and stairs, and a rear third storey terrace.
140 m away · filed Sep 21, 2026 · Accepted
36 High Park Blvd · Minor variance
To alter the existing one-storey detached ancillary building (containing three parking spaces), in the rear yard abutting Indian Road, by constructing a complete second storey addition (to contain one garden suite), a side (east) balcony, and a rear (north) two-storey addition (interior stairs). The three existing parking spaces within the ancillary building will be maintained and unaltered. There will be a total of two residential dwelling units on this lot (one unit within the main building and one unit within the ancillary building).
220 m away · filed Sep 10, 2026 · Postponed
186 Westminster Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling (houseplex) by constructing a rear two-storey addition (with basement extension below), a front two-storey addition, a complete third storey addition, a front basement walkout, front and side (west) covered porches with stairs, a rear ground floor deck with stairs, and a rear third storey balcony. Also, to permit an undersized front yard parking space abutting the west side of the lot. There will be a total of two residential dwelling units on this lot (one unit occupying the basement, and one unit occupying the ground, second, a…
240 m away · filed Feb 9, 2026 · Approved
350 Sunnyside Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear one-storey addition with a new rear roof deck above. The existing partial one-storey ground floor addition with roof deck above will be demolished.
180 m away · filed Nov 26, 2025 · Approved
18 High Park Blvd · Minor variance
To construct a new in-ground swimming pool in the rear yard, abutting the west side of the lot. The existing two-storey detached dwelling will be maintained and unaltered.
160 m away · filed Oct 27, 2025 · Approved
289 Roncesvalles Ave · Minor variance
To alter the existing three-storey mixed-use building by constructing rear second and third storey additions (above the existing ground level that will be partially reconstructed with a new rear basement addition below), a complete fourth storey addition with front and rear balconies, a rear basement walkout, a south side second storey balcony, as well as rooftop access for maintenance from two staircase enclosures and one elevator enclosure (located above the fourth level). There will be a total of one commercial unit and six residential dwelling units on this lot (one commercial unit occupy…
230 m away · filed Sep 11, 2025 · Approved
345 Sunnyside Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition (with a flat roof), and a rear ground floor deck with stairs. The existing one-storey ancillary building (garage), in the rear yard, will be maintained and unaltered.
150 m away · filed Aug 29, 2025 · 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.