thepermitmap

Street · 322 of 8,565 by permit count

Building permits on Nairn Ave

The City of Toronto has 456 building permits on record for Nairn Ave, going back to 1991. Those permits created 36 homes and removed 8, a net change of +28. Declared construction value totals $13.7M. The most recent permit was applied for Aug 20, 2026 at 483 Nairn Ave.

Permits on record
4561991–2026
Declared construction value
$13.7Mas filed, not adjusted
Homes created
36dwelling units
Homes removed
8net +28

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)79 · 17%
  • Building Permit Related(MS)54 · 12%
  • Multiple Projects47 · 10%
  • Garage43 · 9%
  • Back Water Valve (Sewer only)43 · 9%
  • Building Permit Related (DR)30 · 7%
  • Interior Alterations25 · 5%
  • Addition(s)19 · 4%
  • New Building18 · 4%
  • Other(SR)14 · 3%
  • Demolition13 · 3%
  • Porch10 · 2%

Structures worked on

  • SFD - Detached259 · 57%
  • SFD - Semi-Detached116 · 25%
  • 2 Unit - Detached26 · 6%
  • 2 Unit - Semi-detached15 · 3%
  • Laneway / Rear Yard Suite12 · 3%
  • Unknown6 · 1%
  • 3+ Unit - Detached4 · 1%
  • Place of Worship4 · 1%
  • 3+ Unit - Semi-detached4 · 1%
  • SFD - Townhouse4 · 1%
  • Recreational3 · 1%
  • SFD Garages2 · 0%

Where this street runs

Caledonia-Fairbank 187 permits

Most recent permits

Issued Work What was filed Value Status
Aug 20, 2026 Other(SR) Proposed retaining wall construction and rebuild stairs $30K Open
Jul 15, 2026 Canopy Proposal to construct a canopy above the existing concrete porch $2K Open
Jul 6, 2026 Building Permit Related(MS) Rev- 01 revision to HVACHVAC - Proposal to demolish existing dwelling and construct a new three-storey fourplex.See also 25-200283 ZAP 00 ZR Open
Jun 30, 2026 Building Permit Related(MS) Rev 01 - Revision to HVACHVAC - Proposed two storey laneway suite at the rear of the property. Open
Jun 10, 2026 Party Wall Admin Permits Party wall admin permit - To legalize existing garage party wall between 188 and 190 Nairn Ave Open
Jun 8, 2026 Garage To legalize existing garage wall encroached on to the property from 188 Nairn Ave $1K Open
Jun 1, 2026 Demolition Proposal for a new 3 storey 2 Unit-Detached by renovation. Demolition
May 29, 2026 Building Permit Related(MS) HVAC - Proposal for a new 3 storey 2 Unit-Detached by renovation. Open
May 28, 2026 Building Permit Related (DR) Drain - Proposal for a new 3 storey 2 Unit-Detached by renovation. Open
May 28, 2026 Building Permit Related(PS) Plumbing - Proposal for a new 3 storey 2 Unit-Detached by renovation. Open
May 28, 2026 New Building - By Renovation Proposal for a new 3 storey 2 Unit-Detached by renovation. $800K New build
May 20, 2026 Building Permit Related(PS) Plumbing - Proposed interior alteration to main floor. Open
May 19, 2026 Garage Proposal to legalize existing garage wall encroached on to the property from 188 Nairn Ave. $1K Closed
May 13, 2026 Interior Alterations Proposed interior alteration to main and basement floor. $20K Open
May 8, 2026 Building Permit Related (DR) Drain - Proposed construction of a two storey garden suite in the rear yard of existing single family dwelling. Closed
May 8, 2026 Building Permit Related(PS) Plumbing - Proposed construction of a two storey garden suite in the rear yard of existing single family dwelling. Open
May 8, 2026 New Laneway / Rear Yard Suite Proposed construction of a two storey garden suite in the rear yard of existing single family dwelling. $350K Open
May 8, 2026 Building Permit Related(MS) HVAC - Proposed construction of a two storey garden suite in the rear yard of existing single family dwelling. Open
May 6, 2026 Multiple Projects REVISION - Engineering details for the deck, basement walkout, and new exterior wall at the front entranceProposed interior alterations to convert a 2 unit dwelling to a 3 unit dwelling. Open
May 4, 2026 Garage Proposal to legalize existing garage wall encroached on to the property from 188 Nairn Ave $1K Closed
Apr 22, 2026 Multiple Projects Proposal for multiple projects (interior alterations and rear yard deck). $5K Closed
Apr 16, 2026 Building Permit Related(MS) HVAC - PROPOSALTO MAKE ADDITIONAL STRUCTURAL ALTERATIONS AND ADD A NEW BARRIER FREE BATHROOM IN THE EXISTING BASEMENT. Open
Apr 16, 2026 Building Permit Related(MS) HVAC - Proposed rear addition and interior alterations. Open
Apr 16, 2026 Building Permit Related(PS) Plumbing - PROPOSALTO MAKE ADDITIONAL STRUCTURAL ALTERATIONS AND ADD A NEW BARRIER FREE BATHROOM IN THE EXISTING BASEMENT. Open
Mar 18, 2026 Back Water Valve (Sewer only) Backwater Valve installation Closed
Jan 12, 2026 Garage Proposal to extend an existing rear detached garage $10K Open
Jan 6, 2026 Building Permit Related(PS) Plumbing - Small residential projects, Single Family Dwelling (SFD) semidetached, Proposal for interior renovations Open
Dec 29, 2025 Building Permit Related (DR) Drain - Proposal for a new 3 storey 2 Unit-Detached by renovation. Closed
Dec 29, 2025 Demolition Proposal for demolition. Demolition
Dec 29, 2025 New Building - By Renovation Proposal for a new 3 storey 2 Unit-Detached by renovation. $800K New build
Dec 29, 2025 Building Permit Related(PS) Plumbing - Proposal for a new 3 storey 2 Unit-Detached by renovation. Closed
Dec 29, 2025 Building Permit Related(MS) HVAC - Proposal for a new 3 storey 2 Unit-Detached by renovation. Closed
Dec 24, 2025 Building Permit Related (DR) Drain - Proposed two storey laneway suite at the rear of the property. Open
Dec 24, 2025 Building Permit Related(PS) Plumbing - Proposed two storey laneway suite at the rear of the property. Open
Dec 24, 2025 New Laneway / Rear Yard Suite Proposed two storey laneway suite at the rear of the property. $400K Open
Dec 9, 2025 Building Permit Related (DR) Drain - Proposal to demolish existing dwelling and construct a new three-storey fourplex.See also 25-200283 ZAP 00 ZR Closed
Dec 9, 2025 Demolition Proposal to demolish existing one-storey single family dwelling and construct a new fourplex. See also 24-200283 ZAP 00 ZR & 25-228689 BLD 00 NH Demolition
Dec 9, 2025 Building Permit Related(PS) Plumbing - Proposal to demolish existing dwelling and construct a new three-storey fourplex.See also 25-200283 ZAP 00 ZR Open
Dec 9, 2025 New Building Proposal to demolish existing dwelling and construct a new three-storey fourplex.See also 25-200283 ZAP 00 ZR $400K New build
Nov 19, 2025 Multiple Projects Rev 03: Proposed floor reinforcing and room layout.Revision 02 - Reivison to include rear addition.----------------------------------------------------------------------REV 01: Interior and exterior renovations Proposal to lower the existing basement via underpinning, finishedbasement renovation. Un Closed

The 40 most recent of 456 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
456
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-571