thepermitmap

Street · 516 of 8,565 by permit count

Building permits on Gainsborough Rd

The City of Toronto has 325 building permits on record for Gainsborough Rd, going back to 1995. Those permits created 12 homes and removed 2, a net change of +10. Declared construction value totals $10.3M. The most recent permit was applied for Aug 25, 2026 at 225 Gainsborough Rd.

Permits on record
3251995–2026
Declared construction value
$10.3Mas filed, not adjusted
Homes created
12dwelling units
Homes removed
2net +10

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)63 · 19%
  • Back Water Valve (Sewer only)46 · 14%
  • Building Permit Related(MS)34 · 10%
  • Multiple Projects34 · 10%
  • Interior Alterations27 · 8%
  • Building Permit Related (DR)25 · 8%
  • Fixtures/Roof Drains: SFD10 · 3%
  • Party Wall Admin Permits10 · 3%
  • Addition(s)8 · 2%
  • Unknown8 · 2%
  • Garage6 · 2%
  • Deck6 · 2%

Structures worked on

  • SFD - Semi-Detached145 · 45%
  • SFD - Detached106 · 33%
  • 2 Unit - Detached17 · 5%
  • Elementary School17 · 5%
  • Converted House14 · 4%
  • Unknown8 · 2%
  • Apartment Building4 · 1%
  • 3+ Unit - Detached4 · 1%
  • Laneway / Rear Yard Suite3 · 1%
  • 2 Unit - Semi-detached3 · 1%
  • First Party1 · 0%
  • 3+ Unit - Semi-detached1 · 0%

Most recent permits

Issued Work What was filed Value Status
Aug 25, 2026 Multiple Projects REVISION 2 - to have the North wall shifted 6" North to match existing North wall, this is due to on site miscommunication with the City inspector.Proposal to convert existing dwelling to a triplex with a second floor rear addition, rear deck and underpinning. Open
Aug 13, 2026 Inside and Outside Drains Proposal for interior sanitary line replacement and a backwater valve and a sump pump $19K Closed
Aug 11, 2026 New Laneway / Rear Yard Suite Proposal to construct a new 2 storey garden suite with basement $500K Open
Aug 11, 2026 Building Permit Related (DR) Drain - Proposal to construct a new 2 storey garden suite with basement Open
Jul 27, 2026 Back Water Valve (Sewer only) OUTDOOR BACK WATER VALVE Open
Jul 24, 2026 Building Permit Related(PS) Plumbing - Proposed interior alterations to accommodate a new universal washroom. Open
Jul 24, 2026 Building Permit Related(MS) HVAC - Proposed interior alterations to accommodate a new universal washroom. Open
Jul 7, 2026 Sign Building Permit Related 1 ground sign**ECOLE ELEMENTAIRE CATHOLIQUE GEORGES-ETIENNE-CARTIER** Closed
Jun 25, 2026 Interior Alterations Proposed interior alterations to accommodate a new universal washroom. $75K Open
Jun 24, 2026 Piping: SFD/Semi Proposal for repair plumbing pipe in the floor of the washroom under the tub. $1K Open
Jun 16, 2026 New Building Proposal to demolish existing dwelling and construct a new two-storey two-unit dwelling.See also 25-174652 DEM 00 DM $500K New build
Jun 10, 2026 Building Permit Related(PS) Plumbing - Proposal to construct a rear four-storey addition and interior alteration to existing three-storey detached dwelling (fourplex), converting into an apartment building with a total of 13 residential dwelling units. Open
Jun 10, 2026 Multiple Projects Proposal to construct a rear four-storey addition and interior alteration to existing three-storey detached dwelling (five units), converting into an apartment building with a total of 13 residential dwelling units. $950K Open
Jun 10, 2026 Building Permit Related(MS) HVAC - Proposal to construct a rear four-storey addition and interior alteration to existing three-storey detached dwelling (fourplex), converting into an apartment building with a total of 13 residential dwelling units. Open
May 26, 2026 Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Closed
Mar 12, 2026 Interior Alterations REVISION - new drawings on which appear the porch and staircase. This is not a change in scope of work (both elements are outside of the building envelope and are not affected by the work - no alteration to these elements).Original Scope: Proposal for interior alterations on ground floor only. Closed
Jan 22, 2026 Building Permit Related(MS) HVAC - Proposal to convert existing dwelling to a triplex with a second floor rear addition, rear deck and underpinning. Closed
Jan 22, 2026 Building Permit Related (DR) Drain - Proposal to convert existing dwelling to a triplex with a second floor rear addition, rear deck and underpinning. Closed
Jan 22, 2026 Building Permit Related(PS) Plumbing - Proposal to convert existing dwelling to a triplex with a second floor rear addition, rear deck and underpinning. Open
Oct 29, 2025 Building Permit Related(MS) HVAC - Proposal for multiple projects (two storey addition and interior alterations). Closed
Sep 10, 2025 New Building Proposal to construct a new 2 storey, 2 unit dwelling. $500K New build
Aug 18, 2025 Interior Alterations Proposal for interior alterations to existing building, one new unit add to the basement. $1K Open
Aug 7, 2025 Multiple Projects REV 01 - Basement foundation replaced with structural posts Proposed removal of existing rear mudroom and addition of new space and interior alterations Open
Jul 4, 2025 Multiple Projects Revision to the size of the deckProposal for besement underpinning, ground floor alteration and construct a new rear deck Closed
Jun 16, 2025 Building Permit Related(PS) Plumbing - Proposal for multiple projects (two storey addition and interior alterations). Closed
Jun 13, 2025 Building Permit Related (DR) Drain - Proposal for multiple projects (two storey addition and interior alterations). Closed
Jun 13, 2025 Multiple Projects Proposal for multiple projects (two storey addition and interior alterations). $750K Closed
Jun 10, 2025 Demolition Proposal to demolish and construct a new 2 storey dwelling. Demolition
Jun 5, 2025 New Building Proposal to comstruct a new 2 storey 2 unit dwelling. $500K New build
May 20, 2025 Building Permit Related(MS) HVAC - Proposal for besement underpinning, ground floor alteration and construct a new rear deck Closed
May 7, 2025 Building Permit Related(PS) Plumbing - Proposal for besement underpinning, ground floor alteration and construct a new rear deck Closed
Apr 4, 2025 Back Water Valve (Sewer only) Proposal to install back water valve. Closed
Apr 1, 2025 Building Permit Related (DR) Drain - A proposal for basement underpinning, rear addition and garage addition in the rear yard. Closed
Apr 1, 2025 Building Permit Related(PS) Plumbing - A proposal for basement underpinning, rear addition and garage addition in the rear yard. Closed
Mar 25, 2025 Building Permit Related (DR) Drain - Proposal for interior alterations, two terraces. Closed
Mar 25, 2025 Multiple Projects Proposal for interior alterations throughout this existing 3-storey SFD. Demolish & construct a ground floor rear addition with a canopy overhang. Demolish & construct a 2nd floor rear addition & construct a 3rd floor rear balcony above. Alter the existing front yard porch roof & maintain the existi $260K Closed
Mar 25, 2025 Building Permit Related(PS) Plumbing - Proposal for interior alterations, two terraces. Closed
Mar 13, 2025 Building Permit Related (DR) Drain - Proposal for besement underpinning, ground floor alteration and construct a new rear deck Closed
Mar 13, 2025 Party Wall Admin Permits Party Wall admininstartion permit for proposed work at 172 Gainsborough Rd - 25 127347 BLD 00 SR $1K Closed
Feb 14, 2025 Back Water Valve (Sewer only) Backwater valve installation Open

The 40 most recent of 325 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
325
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-489