Toronto address · Ward 13, Toronto Centre
335 Ontario St
The City of Toronto has 7 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
Heating and ventilation
HVAC - Interior alterations to basement with underpinning
Applied Oct 5, 2021 · issued Oct 7, 2021 · completed Apr 4, 2022 · Permit 21 152046 HVA
- Closed
Small residential project · Multiple projects
Interior alterations to basement with underpinning
Applied May 8, 2021 · issued Jun 9, 2021 · completed Apr 4, 2022 · Permit 21 152046 BLD
- Closed
Drains and site services
Drain - Interior alterations to basement with underpinning
Applied May 8, 2021 · issued Jun 9, 2021 · completed Apr 4, 2022 · Permit 21 152046 DRN
- Closed
Plumbing
Plumbing - Interior alterations to basement with underpinning
Applied May 8, 2021 · issued Jun 9, 2021 · completed Apr 4, 2022 · Permit 21 152046 PLB
- Closed
Heating and ventilation
HVAC - Proposal for a rear 2 storey addition and interior alterations to existing detached single family dwelling.
Applied Sep 27, 2017 · issued Oct 17, 2017 · completed Jul 11, 2023 · Permit 17 220724 HVA
- Closed
Plumbing
Plumbing - Proposal for a rear 2 storey addition and interior alterations to existing detached single family dwelling.
Applied Aug 22, 2017 · issued Sep 19, 2017 · completed Jul 13, 2023 · Permit 17 220724 PLB
- Closed
Small residential project · Multiple projects
Proposal for a rear 2 storey addition and interior alterations to existing detached single family dwelling.
Applied Aug 22, 2017 · issued Sep 19, 2017 · completed Jul 13, 2023 · Permit 17 220724 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
107 homes · Residential
180 m away · Condominium · Under review · filed Oct 27, 2021
- Under review
14 storeys · 137 homes · Mixed use
200 m away · Site plan · Under review · filed Oct 18, 2021
- Under review
10 storeys · 60 homes · Mixed use
210 m away · Site plan · Under review · filed Jul 4, 2025
- Now selling
- Under review
10 storeys · Residential
280 m away · Condominium · Under review · filed Oct 26, 2021
- Under review
11 storeys · Mixed use
300 m away · Site plan · Under review · filed May 26, 2026
Neighbours’ Committee of Adjustment files within 250 m
320 Ontario St · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition with a ground floor covered deck. The existing rear one-storey addition and rear deck will be demolished.
60 m away · filed Apr 10, 2025 · Approved
401 Dundas St E · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 770-2023), for a new 14-storey mixed-use building, by increasing the gross floor area, and building height.
200 m away · filed Apr 18, 2024 · Approved
268 Seaton St · Minor variance
To convert the existing two-and-one-half-storey rowhouse into a 12-room rooming house by constructing a rear third storey addition with a balcony.
160 m away · filed Feb 8, 2024 · Approved
227 Gerrard St E · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-laws 887-2021(OLT) and 888-2021(OLT)), for a 7-storey mixed-use building, by increasing the number of dwelling units.
170 m away · filed Nov 10, 2023 · Approved
391 Ontario St · Minor variance
To alter the existing two-storey mixed-use building by constructing a partial third storey addition (north side) with a deck on the roof of the second storey portion (south side) of the building. The existing ground floor commercial space will be maintained and unaltered and the existing residential unit will now occupy both the second and third storeys of the building.
140 m away · filed Aug 23, 2023 · Approved
394 Dundas St E · Minor variance
To permit the existing two-storey rowhouse into a rooming house (a total of 5 suites) through interior alterations. Also, to maintain the existing rear one-storey ancillary building (detached garage), in the rear yard, abutting the laneway.
140 m away · filed Aug 14, 2023 · Approved
272 Berkeley St · Minor variance
To permit three secondary suites (one within the basement, one on the second level, and one on the third level) in the existing semi-detached dwelling, which were constructed without an authorized building permit. Also, to permit a rear outdoor staircase, as well as a rear landing with stairs at the ground floor level. The existing rear deck and balconies will be demolished.
130 m away · filed Jun 9, 2023 · Approved
384 Ontario St · Minor variance
To permit the third floor rear addition to the existing two-and-one-half-storey semi-detached dwelling, and a rooftop deck that were constructed without an authorized building permit.
110 m away · filed Apr 21, 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.