thepermitmap

Street · 1693 of 8,567 by permit count

Building permits on Thirty First St

The City of Toronto has 115 building permits on record for Thirty First St, going back to 1999. Those permits created 9 homes and removed 6, a net change of +3. Declared construction value totals $5.3M. The most recent permit was issued Mar 9, 2026 at 77 Thirty First St.

Permits on record
1151999–2026
Declared construction value
$5.3Mas filed, not adjusted
Homes created
9dwelling units
Homes removed
6net +3

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)21 · 18%
  • Building Permit Related(MS)19 · 17%
  • Back Water Valve (Sewer only)11 · 10%
  • Multiple Projects8 · 7%
  • New Building8 · 7%
  • Building Permit Related (DR)7 · 6%
  • Addition(s)6 · 5%
  • Demolition6 · 5%
  • Interior Alterations3 · 3%
  • Deck3 · 3%
  • Addition to Existing Building3 · 3%
  • Underpinning2 · 2%

Structures worked on

  • SFD - Detached100 · 87%
  • Laneway / Rear Yard Suite7 · 6%
  • Elementary School4 · 3%
  • Piping(SF) Water Serv., Sanitary/Storm1 · 1%
  • Wood Stoves1 · 1%
  • Converted House1 · 1%
  • SFD/TH HVAC1 · 1%

Most recent permits

Issued Work What was filed Value Status
Mar 9, 2026 Other(SR) CHANGE OF SCOPE: Proposal to demolish front porch enclosure.PREVIOUS SCOPE OF WORK:Proposal to enclose the existing front porch, install new window on north side of house, new roof over balcony at rear, and waterproofing.See also 25 206639 WNP. $5K Closed
Nov 25, 2024 Interior Alterations Interior alterations for the removal and proposing of new beam and posts in the mainfloor and basement. $50K Closed
Jul 25, 2024 Interior Alterations Proposed interior alterations to the existing building's bathrooms within the Basement, First Floor.Proposed Plumbing work within the existing building: existing domestic galvinized water supply piping to be replaced within First Floor Bathroom Sink, Toilet, Shower, First floor Kitchen Sink, Second $40K Closed
Jul 25, 2024 Building Permit Related(PS) Plumbing - Proposed interior alterations to the existing building's bathrooms within the Basement, First Floor.Proposed Plumbing work within the existing building: existing domestic galvinized water supply piping to be replaced within First Floor Bathroom Sink, Toilet, Shower, First floor Kitchen Si Closed
Apr 30, 2024 New Laneway / Rear Yard Suite Proposal for demolishing garage and build 2 new 2-storey garden suite $500K Closed
Apr 30, 2024 Building Permit Related(PS) Plumbing - Proposal for demolishing garage and build 2 new 2-storey garden suite Closed
Apr 30, 2024 Building Permit Related(MS) HVAC - Proposal for demolishing garage and build 2 new 2-storey garden suite Closed
Feb 2, 2024 Back Water Valve (Sewer only) Full port main line back water valve Closed
Nov 29, 2023 Building Permit Related(MS) HVAC - Interior alterations on all floors to convert from three unit to Single family dwelling Closed
Nov 13, 2023 Multiple Projects Interior alterations on all floors to convert from three unit to Single family dwelling $75K Closed
Nov 13, 2023 Building Permit Related(PS) Plumbing - Interior alterations on all floors to convert from three unit to Single family dwelling Closed
Sep 18, 2023 Back Water Valve (Sewer only) Install backwater valve Closed
Jul 5, 2023 Building Permit Related(MS) HVAC - Proposal for Garden Suite & Alteration of Exist. Detached Garage Open
Jul 5, 2023 Building Permit Related (DR) Drain - Proposal for Garden Suite & Alteration of Exist. Detached Garage Open
Jul 5, 2023 Building Permit Related(PS) Plumbing - Proposal for Garden Suite & Alteration of Exist. Detached Garage Open
Jul 5, 2023 Multiple Projects Proposal for Garden Suite & Alteration of Exist. Detached Garage $200K Open
Jun 21, 2022 Demolition Proposal to demolish the existing 1 storey SFD-detached dwelling. Demolition
Apr 5, 2022 Building Permit Related (DR) Drain - Proposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 20 157542 ZZC and 20 188861 DEM. Closed
Apr 5, 2022 New Building Proposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. $900K New build
Apr 5, 2022 Building Permit Related(PS) Plumbing - Proposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 20 157542 ZZC and 20 188861 DEM. Closed
Apr 5, 2022 Building Permit Related(MS) HVAC - Proposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 20 157542 ZZC and 20 188861 DEM. Closed
Sep 9, 2021 Building Permit Related(MS) HVAC - Proposal for a 125m2 addition, front porch, rear deck and basement walkoutto existing single family detached dwelling with an attached garage. Closed
Aug 5, 2021 Building Permit Related (DR) Drain - Proposal for a 125m2 addition, front porch, rear deck and basement walkoutto existing single family detached dwelling with an attached garage. Closed
Aug 5, 2021 Multiple Projects Proposal for a 125m2 addition, front porch, rear deck and basement walkoutto existing single family detached dwelling with an attached garage. $450K Closed
Aug 5, 2021 Building Permit Related(PS) Plumbing - Proposal for a 125m2 addition, front porch, rear deck and basement walkoutto existing single family detached dwelling with an attached garage. Closed
Oct 19, 2020 Pool Fence Enclosure Proposal to construct a new pool enclosure fence $75K Closed
Sep 9, 2020 Back Water Valve (Sewer only) Proposal to install a back water valve. Closed
Jul 26, 2019 Back Water Valve (Sewer only) Install mainline backwater valve Closed
Jan 28, 2019 Building Permit Related(MS) HVAC - Proposal for demolish the existing dwelling and construct a new two storey dwelling. Closed
Jan 28, 2019 Addition(s) Second-storey unheated sunroom addition + balcony to an existing 2-storey detached SFD with an existing secondary suite approved under a previous permit 13-103241 BLD. $35K Open
Dec 18, 2018 Building Permit Related(MS) HVAC - Proposal to construct second and third storey addition to existing one storey sfd, as well as interior alterations, covered front porch, and rear wood deck. Closed
Sep 18, 2018 New Building Revision - to building height of basement and basement walkout New build
Aug 24, 2018 Building Permit Related (DR) Drain - Proposal for demolish the existing dwelling and construct a new two storey dwelling. Closed
Aug 24, 2018 Demolition Proposal for demolish the existing dwelling and construct a new two storey dwelling. Demolition
Aug 24, 2018 Building Permit Related(PS) Plumbing - Proposal for demolish the existing dwelling and construct a new two storey dwelling. Closed
Aug 14, 2018 Building Permit Related (DR) Drain - Proposal to construct second and third storey addition to existing one storey sfd, as well as interior alterations, covered front porch, and rear wood deck. Closed
Aug 14, 2018 Addition(s) Proposal to construct second and third storey addition to existing one storey sfd, as well as interior alterations, covered front porch, and rear wood deck. $450K Closed
Aug 14, 2018 Building Permit Related(PS) Plumbing - Proposal to construct second and third storey addition to existing one storey sfd, as well as interior alterations, covered front porch, and rear wood deck. Closed
Jul 17, 2018 Multiple Projects REV 01: Revision for Building height/ second floor addition /front porch and rear deckOrig: Proposal for to replace and expand 2nd floor, plus 2 storey additions at north side and rear, interior alterations, and rear deck. Open
Jul 16, 2018 Building Permit Related (DR) Drain - To construct a new detached dwelling with an attached garage. Closed

The 40 most recent of 115 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
115
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-759