thepermitmap

Street · 2836 of 8,565 by permit count

Building permits on Mountjoy Ave

The City of Toronto has 62 building permits on record for Mountjoy Ave, going back to 1997. Declared construction value totals $21.0M. The most recent permit was issued Mar 18, 2026 at 148 Mountjoy Ave.

Permits on record
621997–2026
Declared construction value
$21.0Mas filed, not adjusted
Homes created
0dwelling units
Homes removed
0net +0

Permits issued per year

20072026 (part year)

Most common work

  • Building Permit Related(PS)14 · 23%
  • Multiple Projects9 · 15%
  • Interior Alterations8 · 13%
  • Building Permit Related(MS)7 · 11%
  • Building Permit Related (DR)6 · 10%
  • Unknown5 · 8%
  • Party Wall Admin Permits3 · 5%
  • Back Water Valve (Sewer only)3 · 5%
  • Other(SR)2 · 3%
  • Fire Alarm1 · 2%
  • Addition(s)1 · 2%
  • Backflow Prevention Devices (Water only)1 · 2%

Structures worked on

  • SFD - Semi-Detached25 · 40%
  • SFD - Detached18 · 29%
  • Secondary School8 · 13%
  • Unknown5 · 8%
  • SFD - Townhouse4 · 6%
  • Converted House2 · 3%

Most recent permits

Issued Work What was filed Value Status
Mar 18, 2026 Interior Alterations Revison 03 - missing existing window in the finished basement.Revison 02 - proposed window in the finished basement.Revision 01: Proposal to revise and finish basement.Proposal for underpinning and larger window opening in the rear wall on ground floor. Basement to remain unfinished.SEE 150 MOUNTJOY Closed
Mar 10, 2026 Other(SR) Proposed installation of rooftop solar panel $23K Closed
Oct 9, 2025 Building Permit Related (DR) Drain - Proposal for underpinning and larger window opening in the rear wall on ground floor. Basement to remain unfinished. Closed
Oct 9, 2025 Party Wall Admin Permits Proposal for party wall admin permit for proposed underpinning for 148 Mountjoy Ave - 25 232527 BLD 00 SR $7K Closed
Sep 12, 2024 Building Permit Related(MS) HVAC - PROPOSAL FOR INTERIOR ALTERATIONS - LOAD BEARING WALL REMOVAL. Open
Sep 6, 2024 Party Wall Admin Permits Proposal for Admin permit for 23 Mountjoy Avenue $1K Open
Sep 6, 2024 Interior Alterations PROPOSAL FOR INTERIOR ALTERATIONS - LOAD BEARING WALL REMOVAL. $100K Open
Nov 7, 2023 Building Permit Related(MS) Revision #01 - Changes to interior ductwork layout.HVAC - Proposal to construct a rear addition for ground and second floor- Replacing existing ductwork ( no layout change) - New HVAC system for New rear addition Open
Oct 6, 2023 Addition(s) REV01: Proposed revision of powder room and structure change (second floor framing)Propose to construct a rear addition for ground and second floor Open
Sep 7, 2023 Building Permit Related(PS) REV01: Proposed revision of powder room and structure change (second floor framing)Propose to construct a rear addition for ground and second floor Closed
May 29, 2023 Back Water Valve (Sewer only) Installation of a back water to existing dwelling Closed
Mar 30, 2023 Building Permit Related (DR) propose to construct a rear addition for ground and scond floor Closed
Mar 27, 2023 Back Water Valve (Sewer only) Install Back water Valve Closed
Feb 23, 2023 Building Permit Related (DR) Drain - Interior altearations to single family dwelling and proposed installation of a new back water valve. Closed
Oct 18, 2022 Building Permit Related(MS) HVAC - Proposal for interior renovation, rear addition, basement underpinning, basement walk-out, exterior deck. Closed
Sep 1, 2022 Building Permit Related (DR) Drain - Proposal for interior renovation, rear addition, basement underpinning, basement walk-out, exterior deck. Closed
Sep 1, 2022 Party Wall Admin Permits Party wall admin permit for the work being done at 6 Mountjoy Ave(22 182823 BLD 00 SR) Closed
Sep 1, 2022 Multiple Projects Proposal for interior renovation, rear addition, basement underpinning, basement walk-out, exterior deck. $430K Closed
Sep 1, 2022 Building Permit Related(PS) Plumbing - Proposal for interior renovation, rear addition, basement underpinning, basement walk-out, exterior deck. Closed
Aug 5, 2022 Inside and Outside Drains Revision to existing site conditions - Install STM as per permit drawings and install a cleanout in lieu of SAN MH originally prposed.Drain - Proposal for an addition at northeast corner of an existing secondary school and interior alterations. Closed
Jul 14, 2021 Building Permit Related (DR) Drain - Proposal for an addition at northeast corner of an existing secondary school and interior alterations. Closed
Jul 14, 2021 Building Permit Related(PS) Plumbing - Proposal for an addition at northeast corner of an existing secondary school and interior alterations. Closed
Jul 14, 2021 Building Permit Related(MS) HVAC - Proposal for an addition at northeast corner of an existing secondary school and interior alterations. Closed
Jul 14, 2021 Multiple Projects Proposal for an addition at northeast corner of an existing secondary school and interior alterations. $20.0M Closed
Apr 16, 2021 Building Permit Related(FS) FS - Sprinkler Shop Drawing - Proposal for an addition at northeast corner of an existing secondary school and interior alterations. Closed
Oct 4, 2018 Multiple Projects REV01: Revision to issued permit 16-256465 BLD as per bubbled area. Revision to rear deck. MAIN FLOOR ALTERATIONS & REAR YARD DECK. CHANGES TO OPEININGS IN EXTERIOR WALLS. Open
Mar 13, 2018 Backflow Prevention Devices (Water only) PROPOSED: INSTALLATION OF BACKFLOW PREVENTER $18K Open
Feb 26, 2018 Building Permit Related(MS) HVAC - Interior altearations to single family dwelling. Closed
Dec 28, 2017 Interior Alterations Revision 1. Alter living room & kitchen, alter bedrooms & bathroom, new finishes, windows & doors.Interior altearations to single family dwelling. Closed
Dec 7, 2016 Building Permit Related(PS) Plumbing - MAIN FLOOR ALTERATIONS & REAR YARD DECK. CHANGES TO OPEININGS IN EXTERIOR WALLS. Open
Nov 10, 2015 Building Permit Related(PS) Plumbing - interior alterations, remove non structural walls, update washrooms Closed
Nov 10, 2015 Interior Alterations interior alterations, remove non structural walls, update washrooms $45K Closed
Dec 11, 2014 Multiple Projects Construct rear yard deck and change 1st floor rear door and window $7K Closed
Sep 9, 2014 Building Permit Related(PS) Plumbing - Interior altearations to single family dwelling. Closed
Sep 30, 2013 Back Water Valve (Sewer only) Back Water Valve (Sewer only) installation. $2K Closed
May 8, 2013 Building Permit Related(PS) REVISION - to add a floor drain and a backwater valvePlumbing - Proposal for basement apartment renovation, 1st floor renovation with an additional 2 piece washroom, 2nd floor reno with 3 bedrooms and expanded washroom with laundry facilities, construct rear porch, 2nd storey rear addition and recon Open
Apr 16, 2013 Other(SR) Admin party wall permit for work at 122 Mount Joy $1K Closed
Mar 7, 2013 Multiple Projects Proposal for basement apartment renovation, 1st floor renovation with an additional 2 piece washroom, 2nd floor reno with 3 bedrooms and expanded washroom with laundry facilities, construct rear porch, 2nd storey rear addition and reconstruct front porch. and shed at rear. $65K Open
Oct 5, 2012 Building Permit Related(MS) HVAC - Interior alterations to existing single family dwelling. New cold room at front beneath existing porch. Attic to remain unfinished. Existing single family dwelling. Closed
Feb 10, 2012 Building Permit Related(PS) Plumbing - Interior alterations to existing single family dwelling. New cold room at front beneath existing porch. Attic to remain unfinished. Existing single family dwelling. Closed

The 40 most recent of 62 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
62
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-674