thepermitmap

Street · 1131 of 8,565 by permit count

Building permits on Rosethorn Ave

The City of Toronto has 168 building permits on record for Rosethorn Ave, going back to 1989. Those permits created 7 homes and removed 2, a net change of +5. Declared construction value totals $3.0M. The most recent permit was issued Sep 10, 2026 at 89 Rosethorn Ave.

Permits on record
1681989–2026
Declared construction value
$3.0Mas filed, not adjusted
Homes created
7dwelling units
Homes removed
2net +5

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)30 · 18%
  • Multiple Projects25 · 15%
  • Building Permit Related(MS)17 · 10%
  • Garage13 · 8%
  • Building Permit Related (DR)11 · 7%
  • Back Water Valve (Sewer only)9 · 5%
  • Interior Alterations8 · 5%
  • Unknown6 · 4%
  • Porch6 · 4%
  • Other(SR)6 · 4%
  • Addition(s)5 · 3%
  • New Building5 · 3%

Structures worked on

  • SFD - Semi-Detached69 · 41%
  • SFD - Detached67 · 40%
  • 2 Unit - Detached10 · 6%
  • 2 Unit - Semi-detached7 · 4%
  • Unknown6 · 4%
  • 3+ Unit - Detached4 · 2%
  • Place of Worship2 · 1%
  • SFD: P/D/F/E/R Drains1 · 1%
  • SFD Garages1 · 1%
  • Residential Porches1 · 1%

Where this street runs

Most recent permits

Issued Work What was filed Value Status
Sep 10, 2026 Multiple Projects Proposal for rear addition on second floor and interior renovations on ground floor. $50K Open
Jul 22, 2026 Multiple Projects Revision 01: structural revisions to the approved permitProposal to convert existing duplex to four unit multiplex through interior alterations. Proposal to include two balconies. Open
Jun 5, 2026 Interior Alterations Proposed Interior Alterations to existing dwelling. $80K Open
May 26, 2026 Building Permit Related(MS) HVAC - Proposal to convert existing duplex to four unit multiplex through interior alterations. Proposal to include two balconies. Open
May 22, 2026 Building Permit Related(PS) Plumbing - Proposal to convert existing duplex to four unit multiplex through interior alterations. Proposal to include two balconies. Open
May 22, 2026 Building Permit Related (DR) Drain - Proposal to convert existing duplex to four unit multiplex through interior alterations. Proposal to include two balconies. Open
Apr 16, 2026 Back Water Valve (Sewer only) Install Backwater Valve Closed
Apr 8, 2026 Building Permit Related (DR) Drain - Proposal for addition to front of house (enclose existing front porch) and ground floor interior alterations. Open
Apr 8, 2026 Building Permit Related(PS) Plumbing - Proposal for addition to front of house (enclose existing front porch) and ground floor interior alterations. Open
Feb 17, 2026 Multiple Projects Proposal for addition to front of house (enclose existing front porch) and ground floor interior alterations. $150K Open
Oct 25, 2023 Other(SR) ROOFTOP SOLAR PANEL INSTALLATION $13K Closed
Jul 24, 2023 Other(PS) Revision to permit #20 191956 PLB 00 PS which has been closed.NEW FRONT PORCH C/W COLD STOR. BELOW, NEW FRONT BSMT. W/O, AND CONVERT EX, S.F.D. BY CONSTRUCTING A NEW BSMT. SUITE. $45K Closed
Jul 10, 2023 Multiple Projects Revision 01: Proposal to construct a new front porch with cold storage below, a new front yard basement walkout staircase and construct a new basement Secondary Suite.Proposal for a second storey rear addition and interior alterations. Closed
Jun 6, 2023 Multiple Projects Reconstruction of existing porch due to structural failure. Re-cladding of existing building and installation of new windows. $60K Open
May 19, 2023 Back Water Valve (Sewer only) Supply and install main sanitary backwater valve Closed
Nov 21, 2022 Interior Alterations Proposal for interior alterations in the existing semi-detached house. $100K Open
Jun 22, 2022 Multiple Projects Rev 1: REAR 2ND. STY. BALCONY W/ EXT. STAIR ACCESS TO REAR DECK AND SECONDARY SUITE @ BSMT. LEVEL.Proposed two storey rear addition with storage in basement , new wood deck and 3rd floor balcony at rear, and interior alteration to basement and first floor. **** See ZZC Drawings **** Closed
May 2, 2022 Multiple Projects Proposal for a new entrance, interior alterations to exisitng dwelling $31K Closed
May 2, 2022 Building Permit Related(PS) Plumbing - Proposal for a new entrance, interior alterations to exisitng dwelling and front yard landscaping Closed
Apr 13, 2022 Building Permit Related(MS) HVAC - Proposed two storey rear addition with storage in basement , new wood deck and 3rd floor balcony at rear, and interior alteration to basement and first floor. **** See ZZC Drawings **** Closed
Jan 14, 2022 Back Water Valve (Sewer only) Install a back water valve Closed
Oct 4, 2021 Building Permit Related (DR) Drain - Proposed two storey rear addition with storage in basement , new wood deck and 3rd floor balcony at rear, and interior alteraion to basement and first floor. Closed
Oct 4, 2021 Building Permit Related(PS) Plumbing - Proposed two storey rear addition with storage in basement , new wood deck and 3rd floor balcony at rear, and interior alteraion to basement and first floor. Closed
Jul 7, 2021 Back Water Valve (Sewer only) Proposal for Backwater Valve Closed
Jun 1, 2021 Building Permit Related (DR) Drain - Proposal for a basement walkout, basement underpinning and basement finishing for a "Recreational Area" in existing single family dwelling. Closed
Jun 1, 2021 Building Permit Related(PS) Plumbing - Proposal for a basement walkout, basement underpinning and basement finishing for a "Recreational Area" in existing single family dwelling. Closed
Apr 12, 2021 Building Permit Related (DR) Revision 01: changes related to BLD 01 SR Closed
Apr 9, 2021 Building Permit Related(PS) Revision 01: changes related to BLD 01 SR Closed
Apr 8, 2021 Multiple Projects Revision 01: changes affecting all floors & elevations of the project. Closed
Mar 16, 2021 Back Water Valve (Sewer only) Proposed Back Water Valve (Sewer only) Closed
Dec 11, 2020 Building Permit Related(MS) HVAC - Proposal for a second storey rear addition and interior alterations. Closed
Nov 23, 2020 Underpinning Proposal for a basement walkout, basement underpinning and basement finishing for a "Recreational Area" in existing single family dwelling. $40K Closed
Nov 2, 2020 Building Permit Related(PS) Plumbing - Proposal for a second storey rear addition and interior alterations. Closed
Sep 15, 2020 Multiple Projects Proposal to interior alterations to ground floor kitchen and construct a new flat roof over existing 1 storey addition at the rear of the existing single family dwelling. $60K Closed
Sep 15, 2020 Party Wall Admin Permits Admin party wall permit for work at 70 Rosethorn Ave (20 176582) Closed
Sep 15, 2020 Building Permit Related(PS) Plumbing - Proposal to interior alterations to ground floor kitchen and construct a new flat roof over existing 1 storey addition at the rear of the existing single family dwelling. Closed
Aug 10, 2020 Garage Proposed rear detached garage $14K Closed
May 26, 2020 Install/Alter Plumbing - only Drain Repair - replace outside portion of 4icnh sanitary drain, remove trap & breather and install 4' cleanout Open
Apr 27, 2020 Interior Alterations Proposal for interior alterations to the ground floor and 2nd floor in existing semi-detached single family dwelling. $60K Closed
Apr 27, 2020 Building Permit Related(PS) Plumbing - Proposal for interior alterations to the ground floor and 2nd floor in existing semi-detached single family dwelling. Closed

The 40 most recent of 168 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
168
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-621