thepermitmap

Street · 1404 of 8,567 by permit count

Building permits on Watson Ave

The City of Toronto has 138 building permits on record for Watson Ave, going back to 2002. Those permits created 11 homes and removed 1, a net change of +10. Declared construction value totals $4.3M. The most recent permit was applied for Jul 15, 2026 at 137 Watson Ave.

Permits on record
1382002–2026
Declared construction value
$4.3Mas filed, not adjusted
Homes created
11dwelling units
Homes removed
1net +10

Permits issued per year

20022026 (part year)

Most common work

  • Building Permit Related(PS)30 · 22%
  • Building Permit Related(MS)20 · 14%
  • Back Water Valve (Sewer only)20 · 14%
  • Addition(s)12 · 9%
  • Multiple Projects12 · 9%
  • Building Permit Related (DR)8 · 6%
  • Interior Alterations6 · 4%
  • Backflow Prevention Devices (Water only)4 · 3%
  • Garage3 · 2%
  • Demolition3 · 2%
  • New Building2 · 1%
  • Rental Renovation2 · 1%

Structures worked on

  • SFD - Detached93 · 67%
  • SFD - Semi-Detached26 · 19%
  • Laneway / Rear Yard Suite6 · 4%
  • 3+ Unit - Detached5 · 4%
  • 2 Unit - Semi-detached3 · 2%
  • Unspecified2 · 1%
  • 2 Unit - Detached2 · 1%
  • SFD - Townhouse1 · 1%

Most recent permits

Issued Work What was filed Value Status
Jul 15, 2026 Rental Renovation PROPOSED 2ND. STOREY ADDITION AND CONVERT DUPLEX TO A TRIPLEX Open
Jul 7, 2026 Back Water Valve (Sewer only) BACKWATER VALVE INSTALLATION Closed
Jul 2, 2026 New Laneway / Rear Yard Suite PROPOSED GARDEN SUITE $1K Open
Jul 2, 2026 Building Permit Related(MS) HVAC - PROPOSED GARDEN SUITE Open
Jul 2, 2026 Building Permit Related(PS) Plumbing - PROPOSED GARDEN SUITE Open
Jul 2, 2026 Building Permit Related (DR) Drain - PROPOSED GARDEN SUITE Open
Jun 29, 2026 Building Permit Related (DR) Drain - Proposal for a 2nd storey and rear yard addition with interior alterations to convert a duplex to a triplex. Also includes a rear deck. Open
Jun 17, 2026 Rental Renovation PROPOSED 2ND. STOREY ADDITION AND CONVERT DUPLEX TO A TRIPLEX Open
Jun 4, 2026 Multiple Projects Proposal for a 2nd storey and rear yard addition with interior alterations to convert a duplex to a triplex. Also includes a rear deck. $100K Open
Jun 4, 2026 Building Permit Related(PS) Plumbing - Proposal for a 2nd storey and rear yard addition with interior alterations to convert a duplex to a triplex. Also includes a rear deck. Open
Jun 4, 2026 Building Permit Related(MS) HVAC - Proposal for a 2nd storey and rear yard addition with interior alterations to convert a duplex to a triplex. Also includes a rear deck. Open
May 6, 2026 Interior Alterations Gnd floor: upgrade kitchen layout and opening up Living Room and Hall2nd floor: replace exsiting plumbing fixtures with new $70K Closed
May 6, 2026 Building Permit Related(PS) Plumbing - Gnd floor: upgrade kitchen layout and opening up Living Room and Hall2nd floor: replace exsiting plumbing fixtures with new Open
Mar 25, 2026 Building Permit Related(MS) HVAC - Proposal to construct a two-storey addition on the north side of the dwelling and interior alterations Open
Mar 25, 2026 Building Permit Related (DR) Drain - Proposal to construct a two-storey addition on the north side of the dwelling and interior alterations Open
Mar 25, 2026 Building Permit Related(PS) Plumbing - Proposal to construct a two-storey addition on the north side of the dwelling and interior alterations Open
Mar 25, 2026 Addition(s) Proposal to construct a two-storey addition on the north side of the dwelling and interior alterations $350K Open
Feb 24, 2026 New Laneway / Rear Yard Suite To construct a rear yard garden suite $100K Closed
Feb 24, 2026 Building Permit Related(MS) HVAC - To construct a rear yard garden suite Closed
Feb 10, 2026 Multiple Projects Proposal for multiple projects (rear addition, rear yard deck and interior alterations to create a three unit dwelling). $1K Closed
Nov 27, 2025 Back Water Valve (Sewer only) Proposed backwwater valve install Closed
Jul 10, 2024 Inside and Outside Drains Proposal to replace the sanitary pipes, and install a backwater valve and a sump pump in an existing SFD-semi dwelling. $18K Closed
Jun 3, 2024 Back Water Valve (Sewer only) Install Back water valve Closed
May 26, 2023 Back Water Valve (Sewer only) Install back water valve Open
May 25, 2023 Demolition Proposal to demolish existing dwelling to construct a new two storey dwelling. Demolition
May 24, 2023 Building Permit Related (DR) Drain - Proposal to demolish existing dwelling and construct a new two storey dwelling. Closed
May 24, 2023 Building Permit Related(PS) Plumbing - Proposal to demolish existing dwelling and construct a new two storey dwelling. Closed
May 24, 2023 Building Permit Related(MS) HVAC - Proposal to demolish existing dwelling and construct a new two storey dwelling. Closed
May 24, 2023 Building Permit Related(PS) Plumbing - Proposed creation of secondary suite on main floor and basement in rear of semi-detached Open
May 24, 2023 New Building Proposal to demolish existing dwelling and construct a new two storey dwelling. $800K New build
Apr 27, 2023 Building Permit Related(MS) HVAC - Proposal to construct a rear three storey addition with a basement extension, basement underpinning, basement walkout, rear deck, enclosed front porch and a detached garage. Closed
Oct 28, 2022 Building Permit Related (DR) Drain - Proposal to construct a rear three storey addition with a basement extension, basement underpinning, basement walkout, rear deck, enclosed front porch and a detached garage. Closed
Oct 28, 2022 Multiple Projects Proposal to construct a rear three storey addition with a basement extension, basement underpinning, basement walkout, rear deck, enclosed front porch and a detached garage. $700K Closed
Oct 28, 2022 Building Permit Related(PS) Plumbing - Proposal to construct a rear three storey addition with a basement extension, basement underpinning, basement walkout, rear deck, enclosed front porch and a detached garage. Closed
Oct 25, 2022 Building Permit Related(MS) HVAC - Prosposal for 2nd floor addition, new rear deck, interior renovation and underpinning. Closed
Oct 21, 2022 Building Permit Related(PS) Plumbing - Proposed creation of secondary suite on main floor and basement in rear of semi-detached Closed
Oct 21, 2022 Second Suite (New) Proposed creation of secondary suite on main floor and basement in rear of semi-detached $80K Open
May 26, 2022 Multiple Projects Prosposal for 2nd floor addition, new rear deck, interior renovation and underpinning. $120K Closed
May 26, 2022 Building Permit Related(PS) Plumbing - Prosposal for 2nd floor addition, new rear deck, interior renovation and underpinning. Closed
Sep 14, 2021 Multiple Projects Proposed ground and second floor renovations. Existing one storey unheated frame rear structure to be removed and a proposed new window and door to be incorporated into the existing rear wall of the house, including a new wood landing and steps. No changes to existing landscaping. Interior renovatio $100K Closed

The 40 most recent of 138 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
138
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-411