Street · 981 of 8,565 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. 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
Permits issued per year
20012025 (part year)
Most common work
Structures worked on
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.