thepermitmap

Street · 975 of 8,516 by permit count

Building permits on Mayfield Ave

The City of Toronto has 190 building permits on record for Mayfield Ave, going back to 1996. Those permits created 5 homes and removed 4, a net change of +1. Declared construction value totals $5.7M. Half of the 186 permits issued here came through within 25 days of the application. The most recent permit was issued Oct 29, 2025 at 13 Mayfield Ave.

Permits on record
1901996–2025
Declared construction value
$5.7Mas filed, not adjusted
Homes created
5dwelling units
Homes removed
4net +1
Typical wait
25 days2 days faster than the city

Permits issued per year

20012025 (part year)

Zoning

Most common zone
RD52.6% of permits · by-law 10.20
In detached-house zones
52.6%14.6% above the city’s 38.0%
Permits with a zone
190of 190 on record
  • Residential190 · 100%

The zoning categories the permits on Mayfield Ave fall in, under Zoning By-law 569-2013. These are the City's own category names. This counts permits, not land: it says where the building work happened under which rules, not how the area is carved up. What each zone allows, and what gets built in it.

Most common work

Structures worked on

Postal areas

Other streets in M6S

Deforest Rd217 permits
Colbeck St216 permits
Ellis Ave201 permits
Harshaw Ave198 permits
Lavinia Ave188 permits
Ellis Park Rd187 permits
Methuen Ave187 permits
Raymond Ave165 permits

Looking for one address on Mayfield Ave? The address lookup shows every permit filed against a single house or building number.

Most recent permits

Issued Work What was filed Value Status
Oct 29, 2025 Building Permit Related(MS) HVAC - Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony. — Closed
Oct 20, 2025 Building Permit Related(PS) Plumbing - Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony. — Closed
Oct 20, 2025 Multiple Projects Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony. $750K Open
May 22, 2025 Building Permit Related(MS) HVAC - Proposed mulitple projects to include: interior alterations, underpinning, new ground deck, new second-floor deck. — Open
Nov 6, 2024 Multiple Projects Revision 01: Enlarged 2nd floor balcony structure and revision to cladding and wall assembly of new addition. Proposal to construct a new 2 storey rear addition with minor interior alterations of the second floor of exisiting SFD — Open
Sep 3, 2024 Building Permit Related(PS) Plumbing - Proposed mulitple projects to include: interior alterations, underpinning, new ground deck, new second-floor deck. — Open
Sep 3, 2024 Multiple Projects Proposed mulitple projects to include: interior alterations, underpinning, new ground deck, new second-floor deck. $350K Open
Aug 9, 2024 Multiple Projects Interior alterations and repair to existing dwelling, rear deck alterations, basement underpinning and second unit in basement $350K Closed
Jul 18, 2024 Underpinning Proposal for basement underpinning. $50K Closed
Jul 16, 2024 Building Permit Related(PS) Plumbing - PROPOSAL TO REMOVE WALL IN KITCHEN AND RENOVATE KITCHEN, RENOVATE 2ND FLOOR BATHROOM, RE-CONFIGURE WINDOW AND DOOR OPENINGS ON REAR WALL, MAIN FLOOR ONLY. — Closed
Jul 16, 2024 Interior Alterations PROPOSAL TO REMOVE WALL IN KITCHEN AND RENOVATE KITCHEN, RENOVATE 2ND FLOOR BATHROOM, RE-CONFIGURE WINDOW AND DOOR OPENINGS ON REAR WALL, MAIN FLOOR ONLY. $60K Open
Apr 9, 2024 Building Permit Related(PS) Plumbing - Proposal to construct a new 2 storey rear addition with minor interior alterations of the second floor of exisiting SFD — Closed
Apr 9, 2024 Building Permit Related(MS) HVAC - Proposal to construct a new 2 storey rear addition with minor interior alterations of the second floor of exisiting SFD — Open
Dec 14, 2023 Building Permit Related(MS) Revision #01 - Proposed relocation of the kitchen and stairs.HVAC - Proposal to construct a new 1 storey garden suite in rear yard of existing SFD-detached dwelling.See also 23 185482 ZAP. — Closed
Dec 12, 2023 New Laneway / Rear Yard Suite Revision #01 - Proposed relocation of the kitchen and stairs.Proposal to construct a new 1 storey garden suite in rear yard of existing SFD-detached dwelling.See also 23 185482 ZAP. — Closed
Nov 21, 2023 Building Permit Related (DR) Drain - Proposal to construct a new 1 storey garden suite in rear yard of existing SFD-detached dwelling.See also 23 185482 ZAP. — Closed
Nov 21, 2023 Building Permit Related(PS) Plumbing - Proposal to construct a new 1 storey garden suite in rear yard of existing SFD-detached dwelling.See also 23 185482 ZAP. — Closed
Oct 24, 2023 Interior Alterations Proposal to construct interior alterations and restore existing basement storage area to an integral garage. $20K Closed
Aug 23, 2023 Building Permit Related(MS) Revision 01 - new HVAC system HVAC - Proposal for rear addition and interior alterations — Open
Jul 19, 2023 Building Permit Related (DR) revision: adding a back water valve and sump pumpDrain - Proposed two storey rear addition and deck with finished basement (86.89) — Closed
Apr 4, 2023 Multiple Projects REV 01: Proposal to reconfigure part of the structure for the ground floor platform framing plan (changing the span of the main beam), changing the framing strategy to the 3rd floor roof and making small changes to the interior architecture.Proposal for rear addition and interior alterations — Open
Dec 7, 2022 Other(SR) REV 01: Structural alterations as per bubbled areasProposal to construct a rear addition, interior alterations, and rear deck. — Closed
Nov 15, 2022 Building Permit Related(MS) HVAC - Proposal to construct a rear addition, interior alterations, and rear deck — Open
Jun 2, 2022 Building Permit Related (DR) Drain - Proposal to construct a rear addition, interior alterations, and rear deck — Closed
Jun 2, 2022 Building Permit Related(PS) Plumbing - Proposal to construct a rear addition, interior alterations, and rear deck — Open
Mar 4, 2022 Building Permit Related(MS) HVAC - PROPOSED: Second storey rear yard addition and new side yard covered porch.Revision 01 : HVAC revision — Closed
Nov 19, 2021 Building Permit Related(MS) HVAC - Proposed two storey rear addition and deck with finished basement — Closed
Oct 18, 2021 Building Permit Related(PS) Plumbing - Proposal for rear addition and interior alterations — Open
Sep 16, 2021 Multiple Projects Proposed two storey rear addition and deck with finished basement $200K Closed
Sep 16, 2021 Building Permit Related(PS) Plumbing - Proposed two storey rear addition and deck with finished basement (86.89) — Closed
Jul 16, 2021 Building Permit Related(PS) Plumbing - PROPOSED: Second storey rear yard addition and new side yard covered porch. — Closed
Jul 16, 2021 Building Permit Related (DR) Drain - PROPOSED: Second storey rear yard addition and new side yard covered porch. — Open
Jul 16, 2021 Multiple Projects PROPOSED: Second storey rear yard addition and new side yard covered porch. $400K Open
May 18, 2021 Multiple Projects REV01: changes as per drawings — Closed
May 14, 2021 Building Permit Related(PS) rev01 changes to fixture — Closed
Jan 6, 2021 Back Water Valve (Sewer only) Proposal to install back water valve in front of the house (Northeast side) — Closed
Dec 14, 2020 Building Permit Related (DR) Drain - Proposed new third storey addition, interior alterations, and a roof deck — Closed
Dec 14, 2020 Building Permit Related(MS) HVAC - Proposed new third storey addition, interior alterations, and a roof deck — Open
Dec 8, 2020 Interior Alterations Proposal for interior alterations to existing single family dwelling $50K Closed
Dec 8, 2020 Building Permit Related(PS) Plumbing - Proposal for interior alterations to existing single family dwelling — Closed

The 40 most recent of 190 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Every address on Mayfield Ave with a permit on record · 55

  • 4 Mayfield Ave3 permits · to 2016
  • 5 Mayfield Ave1 permit · to 2001
  • 6 Mayfield Ave7 permits · to 2020
  • 7 Mayfield Ave3 permits · to 2011
  • 8 Mayfield Ave8 permits · to 2020
  • 9 Mayfield Ave1 permit · to 2018
  • 10 Mayfield Ave1 permit · to 2019
  • 11 Mayfield Ave1 permit · to 2016
  • 12 Mayfield Ave5 permits · to 2019
  • 13 Mayfield Ave4 permits · to 2025
  • 17 Mayfield Ave4 permits · to 2021
  • 19 Mayfield Ave3 permits · to 2012
  • 21 Mayfield Ave4 permits · to 2010
  • 22 Mayfield Ave4 permits · to 2013
  • 24 Mayfield Ave11 permits · to 2023
  • 25 Mayfield Ave4 permits · to 2015
  • 26 Mayfield Ave2 permits · to 2013
  • 27 Mayfield Ave6 permits · to 1999
  • 28 Mayfield Ave2 permits · to 2024
  • 30 Mayfield Ave3 permits · to 2014
  • 35 Mayfield Ave1 permit · to 2004
  • 36 Mayfield Ave5 permits · to 2025
  • 38 Mayfield Ave1 permit · to 2004
  • 39 Mayfield Ave1 permit · to 2005
  • 40 Mayfield Ave3 permits · to 2009
  • 41 Mayfield Ave2 permits · to 2005
  • 44 Mayfield Ave3 permits · to 2016
  • 47 Mayfield Ave2 permits · to 2006
  • 60 Mayfield Ave6 permits · to 2024
  • 65 Mayfield Ave4 permits · to 2022
  • 69 Mayfield Ave4 permits · to 2002
  • 75 Mayfield Ave4 permits · to 2023
  • 76 Mayfield Ave5 permits · to 2013
  • 77 Mayfield Ave4 permits · to 2020
  • 78 Mayfield Ave5 permits · to 2013
  • 79 Mayfield Ave8 permits · to 2019
  • 81 Mayfield Ave3 permits · to 2018
  • 82 Mayfield Ave1 permit · to 2011
  • 83 Mayfield Ave1 permit · to 2013
  • 84 Mayfield Ave1 permit · to 2010
  • 85 Mayfield Ave3 permits · to 2017
  • 87 Mayfield Ave1 permit · to 2017
  • 88 Mayfield Ave4 permits · to 2005
  • 89 Mayfield Ave4 permits · to 2022
  • 90 Mayfield Ave3 permits · to 2014
  • 91 Mayfield Ave3 permits · to 2013
  • 92 Mayfield Ave1 permit · to 2002
  • 95 Mayfield Ave4 permits · to 2018
  • 98 Mayfield Ave4 permits · to 2023
  • 99 Mayfield Ave3 permits · to 2008
  • 100 Mayfield Ave5 permits · to 2003
  • 101 Mayfield Ave7 permits · to 2018
  • 102 Mayfield Ave2 permits · to 2003
  • 104 Mayfield Ave4 permits · to 2023
  • 108 Mayfield Ave1 permit · to 2014
Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
190
Data through
2026-04-22
Refresh
Daily from the City
Sheet
STR-664