Toronto address · Ward 13, Toronto Centre
259 Seaton St
The City of Toronto has 2 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
Small residential project · Party wall admin permits
Admin partywall permit in conjunction with 19-234053 BLD, 257 Seaton St.
Applied Oct 15, 2019 · issued Oct 23, 2019 · completed Oct 30, 2025 · Permit 19 236281 BLD
- Closed
Small residential project · Deck
Proposal to construct a 3rd floor rear deck on existing roof. SFD.
Applied Sep 15, 2017 · issued Sep 20, 2017 · completed Nov 16, 2017 · Permit 17 233700 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
60 m away · Condominium · Under review · filed Oct 27, 2021
- Under review
10 storeys · 60 homes · Mixed use
80 m away · Site plan · Under review · filed Jul 4, 2025
- Under review
10 storeys · Residential
190 m away · Condominium · Under review · filed Oct 26, 2021
- Under review
14 storeys · 137 homes · Mixed use
310 m away · Site plan · Under review · filed Oct 18, 2021
- Now selling
- Under review
11 storeys · Mixed use
340 m away · Site plan · Under review · filed May 26, 2026
Neighbours’ Committee of Adjustment files within 250 m
185 Gerrard St E · Minor variance
To construct a new four-storey apartment building with a west side courtyard area at the centre of the building, a front (north) green roof, and a maintenance equipment storage area on the roof level. There will be a total of 17 bicycle parking spaces on the lot and no vehicular parking spaces will be provided. Also, to construct a rear one-storey detached ancillary building (waste storage enclosure) on the southwest corner on the lot. There will be a total of 15 residential dwelling units (12 studio units and 3 one bedroom units) on the lot.
220 m away · filed Aug 28, 2026 · Hearing scheduled
311 Sherbourne St · Minor variance
To alter the existing three-storey mixed-use building by converting the storage room on the second and third levels into seven additional hostel suites (three on the second level, and four on the third level). The existing pharmacy and cafeteria on the ground level, 19 hostel suites on the second level, and 20 hostel suites on the third level will be maintained and unaltered.
150 m away · filed Apr 8, 2026 · Approved
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.
150 m away · filed Apr 10, 2025 · Approved
311 Sherbourne St · Minor variance
To alter the existing three-storey commercial building (containing office uses) by converting the west half of the first storey, and the second and third storeys into a hotel use with a common use area located on the ground floor. The existing east half of the building and the existing pharmacy (located on the ground floor) will be maintained. There will be a total of 39 hotel rooms within this mixed-use building.
150 m away · filed Feb 5, 2025 · 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.
40 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.
60 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.
90 m away · filed Aug 23, 2023 · Approved
185 Gerrard St E · Minor variance
To construct a new four-storey apartment building with front and rear rooftop decks. This building will contain a total of 28 residential dwelling units.
220 m away · filed May 2, 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.