Toronto address · Ward 13, Toronto Centre
334 Ontario St
The City of Toronto has 1 building permit since 2017 (1 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.
- Inspections under way
Small residential project · Deck
Proposal to construct 2 decks at the rear of existing single family dwelling townhouse on the 2nd and 3rd floors.
Applied Oct 25, 2013 · issued Nov 18, 2013 · Permit 13 256411 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
170 m away · Condominium · Under review · filed Oct 27, 2021
- Under review
10 storeys · 60 homes · Mixed use
190 m away · Site plan · Under review · filed Jul 4, 2025
- Under review
14 storeys · 137 homes · Mixed use
200 m away · Site plan · Under review · filed Oct 18, 2021
- Under review
10 storeys · Residential
250 m away · Condominium · Under review · filed Oct 26, 2021
- Now selling
- Under review
47 storeys · 619 homes · Residential
320 m away · Site plan · Under review · filed Sep 16, 2022
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.
30 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.
150 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.
160 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.
150 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.
150 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.
120 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.