Toronto address · Ward 9, Davenport
550 Dufferin St
The City of Toronto has 8 building permits since 2017 and 1 Committee of Adjustment file 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
Drains and site services · Back water valve (Sewer only)
Proposal to install a back water valve
Applied Jun 11, 2020 · issued Jul 24, 2020 · completed Aug 5, 2020 · Permit 20 154943 DRN
- Closed
Heating and ventilation
HVAC - Proposal for alterations to existing 2 unit dwelling and convert to a 3 unit dwelling.
Applied May 22, 2019 · issued Jun 10, 2019 · completed Jun 13, 2019 · Permit 19 154018 HVA
- Closed
Small residential project · Interior alterations
Proposal for alterations to existing 2 unit dwelling and convert to a 3 unit dwelling.
Applied May 14, 2019 · issued Jun 10, 2019 · completed Jun 13, 2019 · 1 home added · Permit 19 154018 BLD
- Closed
Plumbing
Plumbing - Proposal for alterations to existing 2 unit dwelling and convert to a 3 unit dwelling.
Applied May 14, 2019 · issued Jun 10, 2019 · completed Jun 13, 2019 · Permit 19 154018 PLB
- Closed
Heating and ventilation
HVAC - Proposed front basement walkout, rear deck on first floor, rear deck on second floor and interior alterations to convert single family dwelling to 2 unit building. Underpinning.
Applied Nov 8, 2018 · issued Nov 14, 2018 · completed May 10, 2019 · Permit 18 203052 HVA
- Closed
Small residential project · Multiple projects
Proposed front basement walkout, rear deck on first floor, rear deck on second floor and interior alterations to convert single family dwelling to 2 unit building. Underpinning.
Applied Aug 1, 2018 · issued Aug 24, 2018 · completed May 10, 2019 · 1 home added · Permit 18 203052 BLD
- Closed
Drains and site services
Drain - Proposed front basement walkout, rear deck on first floor, rear deck on second floor and interior alterations to convert single family dwelling to 3 unit building.
Applied Aug 1, 2018 · issued Aug 24, 2018 · completed May 15, 2019 · Permit 18 203052 DRN
- Closed
Plumbing
Plumbing - Proposed front basement walkout, rear deck on first floor, rear deck on second floor and interior alterations to convert single family dwelling to 3 unit building.
Applied Aug 1, 2018 · issued Aug 24, 2018 · completed May 10, 2019 · Permit 18 203052 PLB
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · Other
To convert the existing two-storey semi-detached single family dwelling into three units by conducting interior renovations, and constructing a front basement walkout and a rear second storey deck. Unit 1 will be located in the basement; Unit 2 on the ground floor; and Unit 3 on the second floor.
Decision: Approved (hearing Jun 27, 2018)
Filed Jan 24, 2018 · File A0090/18TEY
What’s planned nearby
Development sites within 500 m
- Under review
18 storeys · 176 homes · Mixed use
250 m away · Site plan · Under review · filed Jun 30, 2025
- Under review
8 storeys · 57 homes · Mixed use
290 m away · Site plan · Under review · filed Feb 15, 2023
- Under review
1-3 Boland Lane and 646-648 Dufferin Street
8 storeys · 135 homes · Residential
330 m away · Condominium · Under review · filed Oct 12, 2021
Neighbours’ Committee of Adjustment files within 250 m
38 Collahie St · Minor variance
To construct a new two-storey ancillary building (containing one garden suite) with stairs at the southeast portion of the building leading to a rooftop patio with a green roof (above the second storey), in the rear yard of the property, abutting Gladstone Avenue. No bicycle parking spaces will be provided. The existing garage will be demolished. There will be a total of two residential dwelling units on the lot (one dwelling unit within the main house and one dwelling unit within the garden suite).
210 m away · filed May 28, 2025 · Deferred
206 Gladstone Ave · Minor variance
To convert the existing one-storey ancillary building (attached garage in the rear yard, abutting the laneway) into a two-storey ancillary building with a front canopy (containing a one-car garage on the ground level with one laneway suite that will occupy the second level), by constructing a front two-storey addition and a complete second storey addition. There will be a total of two residential dwelling units on this lot (one within the main dwelling and one within the ancillary building).
170 m away · filed May 1, 2025 · Refused
204 Gladstone Ave · Minor variance
To convert the existing one-storey ancillary building (attached garage in the rear yard, abutting the laneway) into a two-storey ancillary building with a front canopy (containing a one-car garage with a storage and utility room on the ground level, and one laneway suite that will occupy the second level), by constructing a front two-storey addition and a complete second storey addition. There will be a total of four residential dwelling units on this lot (three within the main dwelling and one within the ancillary building).
170 m away · filed May 1, 2025 · Refused
11 Bank St · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing one and two-storey rear additions.
50 m away · filed Oct 24, 2024 · Approved
524 Dufferin St · Minor variance
To alter the existing two- storey dwelling by demolishing the rear one-storey addition and constructing a new two-storey addition. Also, to construct a partial third storey addition with a rear balcony.
100 m away · filed Aug 30, 2023 · Approved
180 Gladstone Ave · Minor variance
To permit the existing three-storey detached dwelling, which is currently under construction.
140 m away · filed Apr 19, 2023 · Approved
25 Gordon St · Minor variance
To alter the existing two-storey townhouse dwelling by constructing a two-storey rear addition, a complete third storey addition, a new front porch and basement walkout, a rear third storey balcony, second and third storey front bay windows, and a side (west) basement walkout.
120 m away · filed Sep 15, 2022 · Approved
6 Bank St · Minor variance
To alter the existing three-storey semi-detached dwelling by reconstructing the existing enclosed front porch.
50 m away · filed Apr 19, 2022 · 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.