thepermitmap

Street · 5017 of 8,567 by permit count

Building permits on Sarnia Ave

The City of Toronto has 24 building permits on record for Sarnia Ave, going back to 2001. Those permits created 4 homes and removed 0, a net change of +4. Declared construction value totals $249K. The most recent permit was issued Jun 18, 2025 at 25 Sarnia Ave.

Permits on record
242001–2025
Declared construction value
$249Kas filed, not adjusted
Homes created
4dwelling units
Homes removed
0net +4

Permits issued per year

20012025 (part year)

Most common work

  • Building Permit Related(PS)5 · 21%
  • Building Permit Related(MS)4 · 17%
  • Interior Alterations3 · 13%
  • Fire Damage2 · 8%
  • Building Permit Related (DR)2 · 8%
  • Walk-Out Stair1 · 4%
  • Multiple Projects1 · 4%
  • HVAC: SFD/Semi/TH1 · 4%
  • Fixtures/Roof Drains: SFD1 · 4%
  • Party Wall Admin Permits1 · 4%
  • Second Suite (New)1 · 4%
  • Garage1 · 4%

Structures worked on

  • SFD - Semi-Detached10 · 42%
  • 2 Unit - Semi-detached9 · 38%
  • 3+ Unit - Semi-detached4 · 17%
  • Converted House1 · 4%

Most recent permits

Issued Work What was filed Value Status
Jun 18, 2025 Building Permit Related(MS) HVAC - Proposal for interior alterations and enlarge one existing window to convert existing dwelling to 3 units. Closed
Jun 14, 2024 Interior Alterations Proposal for interior alterations and enlarge one existing window to convert existing dwelling to 3 units. $50K Closed
Jun 14, 2024 Building Permit Related(PS) Plumbing - Proposal for interior alterations and enlarge one existing window to convert existing dwelling to 3 units. Closed
Nov 10, 2022 Multiple Projects Revision 01- see plans for changes to bubble area.Proposal for interior alterations to the basement, ground and 2nd floors, to construct a new basement walkout staircase and underpinning to create a new secondary suite in the basement of the existing semi-detached dwelling. Open
Mar 18, 2022 Interior Alterations Proposal for interior alterations to remove interior partitions on ground floor. $50K Closed
Feb 8, 2021 Building Permit Related (DR) Drain - Proposal for interior alterations to the basement, ground and 2nd floors, to construct a new basement walkout staircase and underpinning to create a new secondary suite in the basement of the existing semi-detached dwelling. Closed
Feb 8, 2021 Building Permit Related(PS) Plumbing - Proposal for interior alterations to the basement, ground and 2nd floors, to construct a new basement walkout staircase and underpinning to create a new secondary suite in the basement of the existing semi-detached dwelling. Closed
Jan 14, 2021 Back Water Valve (Sewer only) Proposal to install a BWV Closed
Oct 31, 2018 Building Permit Related(MS) HVAC - Proposal to repair fire damage on all floors and convert to a 2 unit dwelling Closed
Oct 12, 2018 Building Permit Related(PS) Plumbing - Proposal to repair fire damage on all floors and convert to a 2 unit dwelling Closed
Sep 24, 2018 Fire Damage Proposal to repair fire damage on all floors and convert to a 2 unit dwelling Closed
Jul 24, 2018 Building Permit Related(MS) HVAC - Proposal to construct fire damage restoration and convert to a two unit dwelling. Closed
Jun 27, 2018 Building Permit Related (DR) Drain - Proposal to construct fire damage restoration and convert to a two unit dwelling. Closed
Jun 27, 2018 Building Permit Related(PS) Plumbing - Proposal to construct fire damage restoration and convert to a two unit dwelling. Closed
Jun 13, 2018 Fire Damage Proposal to construct fire damage restoration and convert to a two unit dwelling. Closed
May 18, 2018 Fixtures/Roof Drains: SFD Proposal for stand-alone plumbing for a powder room on the main floor with associated HVAC under separate permit. $5K Closed
May 18, 2018 HVAC: SFD/Semi/TH Proposal for stand-alone HVAC for existing single family dwelling. Scope of work includes basement and 3 floors above grade. $5K Closed
Sep 6, 2017 Building Permit Related(MS) HVAC - Proposed alterations to existing basement area (72m2) first and second floor (121.14m2) to accommodate new secondary dwelling unit in existing three storey single family semi detached dwelling. Closed
Aug 24, 2017 Building Permit Related(PS) Plumbing - Proposed alterations to existing basement area (72m2) first and second floor (121.14m2) to accommodate new secondary dwelling unit in existing three storey single family semi detached dwelling. Closed
Aug 23, 2017 Second Suite (New) Proposed alterations to existing basement area (72m2) first and second floor (121.14m2) to accommodate new secondary dwelling unit in existing three storey single family semi detached dwelling. $75K Closed
Aug 23, 2017 Party Wall Admin Permits Admin party wall permit for 12 Sarnia Ave. Closed
Mar 30, 2016 Walk-Out Stair Proposal for a basement walkout in existing semi-detached single family dwelling. $19K Open
May 27, 2015 Garage Construction of a new detached garage and new porch in rear yard of existing single one and a half storey single family semi detached dwelling. $20K Closed
Sep 4, 2001 Interior Alterations make interior alterations and convert to 3 dwelling units, construct 3rd floor deck at rear. see c of a dec. see O.M.B. EDC Applies. $25K Closed

The 24 most recent of 24 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
24
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-027