321 Seaton St
A property on the Heritage Register (Part V), outside TRCA flood and shoreline hazard areas, with 6 active development applications within 250 metres.
Data as of Nov 8, 2026 · Every item lists its source
- On the Heritage Register (Part V).
- Outside TRCA flood and shoreline hazard areas.
- 6 active development applications and 3 Committee of Adjustment applications within 250 m.
01The building
02Risks and the ground
TRCA mapping is for screening, not site-specific decisions. Lead results are voluntary samples from homes in the postal area, not this address.
03What’s changing nearby
- 1387 Sherbourne St · 196 m · Official Plan / Rezoning · OMB Partially ApprovedZoning By-law Amendment application to facilitate the development of the site for a 49-storey residential building. The proposed residential gross floor area is 26,923 square metres. A total of 483 residential dwelling units are proposed,…File 21 189632 STE 13 OZ · submitted Jul 26, 2021 · City record
- 2383 Sherbourne St · 198 m · Official Plan / Rezoning · OMB Partially ApprovedZoning By-law Amendment application to facilitate the development of the site for a 49-storey residential building. The proposed residential gross floor area is 26,923 square metres. A total of 483 residential dwelling units are proposed,…File 21 189632 STE 13 OZ · submitted Jul 26, 2021 · City record
- 3383 Sherbourne St · 198 m · Site Plan · Appeal ReceivedThe proposal will introduce a 39 storey residential building representing an F.S.I. of 13.58 and lot coverage of 69%. The total GFA will be 20,328 sq. m. incorporating 378 units, and 1,384 sq. m. of indoor and outdoor amenity space.File 23 170463 STE 13 SA · submitted Jul 6, 2023 · City record
- 4405 Sherbourne St · 214 m · Site Plan · Application ReceivedSite Plan Control Application for a 35-storey (112.6) metre building (excluding mechanical penthouse) 25,069 square metres of residential gross floor area and 388 square metres of non-residential gross floor area and a landscaped…File 26 126970 STE 13 SA · submitted Mar 9, 2026 · City record
- 5505 Parliament St · 222 m · Official Plan / Rezoning · OMB AppealZoning By-law Amendment law to permit the development of site for a 10-storey mixed-use building (38.6 metres) with retail at-grade (278 square metres) and 60 dwelling units. The western (Parliament Street) elevation of the existing 1½…File 23 124360 STE 13 OZ · submitted Mar 17, 2023 · City record
- 6509 Parliament St · 226 m · Official Plan / Rezoning · OMB AppealZoning By-law Amendment law to permit the development of site for a 10-storey mixed-use building (38.6 metres) with retail at-grade (278 square metres) and 60 dwelling units. The western (Parliament Street) elevation of the existing 1½…File 23 124360 STE 13 OZ · submitted Mar 17, 2023 · City record
- 7391 Ontario St · 164 m · Committee of Adjustment · Minor variance · Approved with ConditionsTo 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…File A0816/23TEY · submitted Aug 23, 2023
- 8393 Berkeley St · 192 m · Committee of Adjustment · Minor variance · AcceptedCONSTRUCTION OF TWO STOREY LANEWAY SUITE (Height = 6.12m, Total Floor Area Above Grade = 156.63m2)File A0466/22TEY · submitted Apr 7, 2022
- 9255 Seaton St · 206 m · Committee of Adjustment · Minor variance · TLAB AppealTo alter the existing two-storey semi-detached dwelling by constructing a third storey addition, a rear third storey balcony, a rear deck, a front porch, a front walkout and a secondary suite in the basement.File A1216/20TEY · submitted Dec 31, 2020
Development Applications; Committee of Adjustment Applications · 22 registered short-term rentals within 250 m.
04City services
05Quick answers about 321 Seaton St
Is 321 Seaton St in a flood plain?
No. It is outside TRCA's mapped flood and shoreline hazard areas. Source: TRCA Regulation mapping 2025.
What is being built near 321 Seaton St?
6 active development applications within 250 metres, the closest at 387 Sherbourne St (196 m). Source: Development Applications.
When is garbage day at 321 Seaton St?
Collection calendar Wednesday 1. Next garbage pickup: Nov 18, 2026. Source: Solid Waste Collection Schedule.
Answers are generated from the data on this page and update when the data changes.
06From the archives









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