Toronto address · Ward 13, Toronto Centre
483 Ontario St
The City of Toronto has 1 building permit 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
Small residential project · Multiple projects
make alterations to basement by excavating and lowering basement level, underpinning foundation walls, also provide bench footings. Construct 2nd floor deck at front, construct two dormers, re-construct 3rd floor deck and rebuild existing one storey addition at rear as a porch.
Applied Feb 24, 2004 · issued Sep 22, 2004 · completed May 8, 2019 · 3 homes added · Permit 04 111273 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 appeal
10 storeys · 60 homes · Mixed use
200 m away · Rezoning · Under appeal · filed Mar 17, 2023
- Under appeal
39 storeys · 378 homes · Residential
220 m away · Site plan · Under appeal · filed Jul 6, 2023
- Submitted
- Under review
39 storeys · 456 homes · Mixed use
310 m away · Condominium · Under review · filed Nov 8, 2021
- Under review
107 homes · Residential
340 m away · Condominium · Under review · filed Oct 27, 2021
- Under review
10 storeys · 60 homes · Mixed use
360 m away · Site plan · Under review · filed Jul 4, 2025
Neighbours’ Committee of Adjustment files within 250 m
380 Berkeley St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a side (south) two storey addition. Also, to construct rear ground floor and second storey bay windows, a rear second storey balcony, and a rear third storey rooftop pergola and terrace extension (above the second storey roof).
170 m away · filed Apr 16, 2026 · Approved
183 Carlton St · Minor variance
To alter the existing two-and-one-half semi-detached building (houseplex), which is currently under construction (Building Permit 25 258356 BLD), by constructing a side (east) basement walkout with a flat roof canopy. Also, to maintain the existing rear second storey roof deck with stairs, and third storey roof deck. There will be two existing units and two new units for a total of four residential dwelling units on this lot (one unit occupying the basement level, two units occupying the first level, and one unit occupying the second and third levels).
130 m away · filed Apr 10, 2026 · Approved
388 Berkeley St · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition with a ground floor stair landing, and a side (south) basement walkout. The existing basement walkout and rear deck with be demolished, and a portion of the rear second storey roof will be reconstructed. Also, to construct one additional parking space (for a total of two parking spaces), abutting the laneway.
150 m away · filed Jan 12, 2026 · Approved
209 Carlton St · Minor variance
To alter the existing three-storey semi-detached building (currently vacant and with the front and rear portion of the building, abutting Doctor O Lane, attached below grade) by converting it to a mixed-use building (service hub for the Indigenous community) with four dwelling units and community and office space on the basement, first, and second floors, by constructing front and side (west) basement additions, an enlarged ground floor terrace (at the west portion of the building), three new dormers at the rear portion of the second floor, and a rear second floor balcony at the east portion…
100 m away · filed May 27, 2025 · Approved
215 Carlton St · Minor variance
To alter the existing mixed-use three-storey semi-detached building by constructing a rear three-storey addition with a first level deck and staircase, and a green roof. Also, to construct a covered ground floor deck with a walkout basement on the east side wall of the existing building. There will be a total of 2 commercial units and 8 residential dwelling units on this lot.
120 m away · filed Jan 8, 2025 · Approved
454 Parliament St · Minor variance
To continue to permit the use of the existing rear second storey rooftop deck/terrace as part of the existing restaurant.
230 m away · filed Dec 24, 2024 · Approved
169 Carlton St · Minor variance
To construct a one-storey ancillary structure (carport), in the rear yard, abutting the laneway (Doctor O Lane), for two parking spaces.
180 m away · filed Oct 10, 2024 · Approved
20 Aberdeen Ave · Minor variance
To alter the existing three-storey townhouse dwelling by constructing a new rear one-storey addition (with basement below), a side (east) basement walkout and a rear second storey rooftop deck (above the new rear addition). The existing rear one-storey addition will be demolished.
70 m away · filed Sep 4, 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.