Toronto address · Ward 4, Parkdale-High Park
101 Mayfield Ave
The City of Toronto has 9 building permits since 2017 (5 still open) 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
Heating and ventilation
HVAC - Proposal to construct a second storey rear addition, a partial third storey addition, and interior alterations to the 2nd floor in existing detached single family dwelling.
Applied Jun 21, 2018 · issued Jun 29, 2018 · completed Jan 22, 2019 · Permit 18 121375 HVA
- Closed
Small residential project · Multiple projects
Proposal to construct a second storey rear addition, a partial third storey addition, and interior alterations to the 2nd floor in existing detached single family dwelling.
Applied Feb 26, 2018 · issued Mar 23, 2018 · completed Jan 22, 2019 · Permit 18 121375 BLD
- Closed
Plumbing
Plumbing - Proposal to construct a second storey rear addition, a partial third storey addition, and interior alterations to the 2nd floor in existing detached single family dwelling.
Applied Feb 26, 2018 · issued Mar 23, 2018 · completed Jan 22, 2019 · Permit 18 121375 PLB
- Closed
Small residential project · Accessory Building(s)
Proposed detached shed (120 M SQ) in rear yard of existing single family detached dwelling.
Applied Jul 6, 2017 · issued Aug 18, 2017 · completed Jun 29, 2018 · Permit 17 193512 BLD
- Revision issued
Small residential project · Multiple projects
**Revision 02 - Revised deck construction details. Rear one-storey addition, int. alterations, basement finish, rear wood deck and front concrete step to existing two-storey SFD - detached
Applied Aug 23, 2010 · issued Sep 17, 2010 · Permit 07 271437 BLD (revision 02)
- Revision issued
Small residential project · Multiple projects
REVISION: Proposal to revise cold cellar door.
Applied Sep 19, 2008 · issued Sep 30, 2008 · Permit 07 271437 BLD (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Rear one-storey addition, int. alterations, basement finish, rear wood deck and front concrete step to existing two-storey SFD - detached
Applied Jul 7, 2008 · issued Jul 14, 2008 · Permit 07 271437 HVA
- Inspections under way
Plumbing
Plumbing - Rear one-storey addition, int. alterations, basement finish, rear wood deck and front concrete step to existing two-storey SFD - detached
Applied Oct 19, 2007 · issued Feb 21, 2008 · Permit 07 271437 PLB
- Inspections under way
Small residential project · Multiple projects
Rear one-storey addition, int. alterations, basement finish, rear wood deck and front concrete step to existing two-storey SFD - detached
Applied Oct 19, 2007 · issued Feb 21, 2008 · Permit 07 271437 BLD
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 · R addition
To construct a second storey rear addition and a partial third storey addition.
Decision: Approved (hearing Jan 25, 2018)
Filed Nov 20, 2017 · File A0975/17EYK
What’s planned nearby
Development sites within 500 m
- Approved
12 storeys · 91 homes · Mixed use
180 m away · Rezoning · Approved · filed Jul 28, 2023
- Approved
2442-2454 Bloor Street West and 1-9 Riverview Gardens
117 homes · Residential
220 m away · Condominium · Approved · filed Jul 8, 2026
Neighbours’ Committee of Adjustment files within 250 m
276 South Kingsway · Minor variance
To alter the existing two-storey detached dwelling by constructing a two-storey addition along the north side and west rear walls of the dwelling (including a basement addition below), and a rear ground floor deck with stairs and basement walkout. Also, to permit an undersized parking space (located on the north side of the lot abutting the northeast corner of the dwelling).
100 m away · filed Jun 3, 2026 · Approved
17 Sunnybrook Rd · Minor variance
To construct a new three-storey detached dwelling (basement level is considered the first storey) with an integral garage, a front covered porch, and a rear second level deck.
240 m away · filed Apr 2, 2025 · Approved
10 Sunnybrook Rd · Minor variance
To construct a new three-storey detached dwelling with a front covered porch, a front integral garage, a rear basement walkout, and a rear covered ground floor deck with stairs. Also, to reconstruct the front driveway, abutting Sunnybrook Road.
220 m away · filed Nov 22, 2024 · Approved
6 Sunnybrook Rd · Minor variance
To construct a one-storey ancillary building (containing one garden suite) in the rear yard of the property. The existing detached garage will be demolished. There will be a total of three residential dwelling units on this lot (two dwelling units within the main dwelling (duplex) and one dwelling unit within the ancillary building).
220 m away · filed Nov 18, 2024 · Deferred
6 Sunnybrook Rd · Minor variance
To construct a new two-storey detached dwelling (duplex) with a front porch and stairs, a rear ground floor deck with stairs, and a rear basement walkout with a terrace. Also, to construct a one-storey ancillary building (to contain one garden suite) in the rear yard of the property. The existing garage will be demolished. There will be a total of three residential dwelling units on this lot (two dwelling units within the main dwelling and one dwelling unit within the ancillary building).
220 m away · filed Jun 26, 2024 · Approved
7 Verbena Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition, a rear third floor addition, and a partial side and rear ground level addition (with front and rear porch and stairs) abutting the driveway. The existing rear parking pad will be obstructed by the additions and unable to be used.
130 m away · filed May 28, 2024 · Approved
286 Riverside Dr · Minor variance
To alter the existing two-storey detached dwelling by constructing a two-storey rear addition on the north side of the dwelling, a one-storey rear addition and a green roof on the south side of the dwelling, and a rear ground floor covered deck (screened in by wire mesh).
240 m away · filed Oct 27, 2022 · Approved
13 Mossom Rd · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a two-storey rear addition, a rear ground floor deck, and a rear second storey bay window. Also, to install an in-ground swimming pool and to construct an ancillary structure (shed) in the rear yard, and to permit one parking space in the side yard.
160 m away · filed Sep 23, 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.