thepermitmap

Street · 2049 of 8,567 by permit count

Building permits on Lonborough Ave

The City of Toronto has 93 building permits on record for Lonborough Ave, going back to 2001. Those permits created 11 homes and removed 1, a net change of +10. Declared construction value totals $3.6M. The most recent permit was issued Jun 30, 2026 at 131 Lonborough Ave.

Permits on record
932001–2026
Declared construction value
$3.6Mas filed, not adjusted
Homes created
11dwelling units
Homes removed
1net +10

Permits issued per year

20012026 (part year)

Most common work

  • Building Permit Related(PS)18 · 19%
  • Building Permit Related(MS)12 · 13%
  • Back Water Valve (Sewer only)12 · 13%
  • Multiple Projects11 · 12%
  • Garage7 · 8%
  • Building Permit Related (DR)7 · 8%
  • Other(SR)5 · 5%
  • Interior Alterations4 · 4%
  • Addition(s)4 · 4%
  • Second Suite (New)3 · 3%
  • Accessory Building(s)3 · 3%
  • New Building1 · 1%

Structures worked on

  • SFD - Detached70 · 75%
  • 2 Unit - Detached11 · 12%
  • 3+ Unit - Detached8 · 9%
  • Laneway / Rear Yard Suite4 · 4%

Most recent permits

Issued Work What was filed Value Status
Jun 30, 2026 Multiple Projects Revision 01: revised the structure for the roof and floor joists from TJI and roof trusses to SPF conventional lumber. Add a post and pad footing.Proposal for a 2 storey rear addition, interior alterations to main floor bathroom and relocate two basement windows. Open
May 7, 2026 Second Suite (New) Proposal to convert basement into a legal second unit. $15K Open
Apr 7, 2026 Second Suite (New) Proposal for interior alterations to create a secondary suite $15K Closed
Mar 31, 2026 Building Permit Related(PS) Plumbing - Demolish existing single detached home and construct new 3 storey fourplex Open
Mar 31, 2026 Building Permit Related (DR) Drain - Demolish existing single detached home and construct new 3 storey fourplex Open
Mar 31, 2026 Demolition Demolish existing 1 storey dwelling to construct a new fourplex Demolition
Mar 31, 2026 Building Permit Related(MS) HVAC - Demolish existing single detached home and construct new 3 storey fourplex Open
Mar 31, 2026 New Building Demolish existing single detached home and construct new 3 storey fourplex $1.5M New build
Mar 19, 2026 Finishing Basements Proposed to convert basement into a second unit. $15K Closed
Mar 11, 2026 Accessory Building(s) Proposal to construct gazebo in rear yard $3K Closed
Feb 24, 2026 Addition(s) REV 02: Revision to remove rear lift.Proposed addition at rear of existing one storey dwelling to convert into 4 -unit building (2 units in basement, 2 units in first floor) Closed
Feb 17, 2026 Accessory Building(s) Proposed gazebo in rear yard $3K Closed
Nov 3, 2025 Building Permit Related(MS) HVAC - Proposal for a 2 storey rear addition, interior alterations to main floor bathroom and relocate two basement windows. Open
Oct 10, 2025 Building Permit Related(PS) Plumbing - Proposal for a 2 storey rear addition, interior alterations to main floor bathroom and relocate two basement windows. Open
Sep 24, 2025 Building Permit Related(MS) HVAC - Proposed 1 storey garden suite in rear yard Open
Sep 24, 2025 Building Permit Related(PS) Plumbing - Proposed 1 storey garden suite in rear yard Open
Sep 24, 2025 New Laneway / Rear Yard Suite Proposed 1 storey garden suite in rear yard $150K Open
Sep 24, 2025 Building Permit Related (DR) Drain - Proposed 1 storey garden suite in rear yard Open
Mar 5, 2025 Building Permit Related (DR) Drain - Proposal to replace footings and columns in basement. Interior alterations. Reconfigure stairs. Closed
Mar 5, 2025 Building Permit Related(PS) Plumbing - Proposal to replace footings and columns in basement. Interior alterations. Reconfigure stairs. Open
Feb 18, 2025 Building Permit Related(MS) HVAC - Proposed addition at rear of existing one storey dwelling to convert to 4 -unit building (2 units in basement, 2 units in first floor) Closed
Feb 18, 2025 Multiple Projects Proposal to replace footings and columns in basement. Interior alterations. Reconfigure stairs. $10K Open
Jan 27, 2025 Multiple Projects Rev - Revision to remove the proposed addition and only include interior alterations to the ground floor and basementProposed second storey and one storey rear addition to existing dwelling Open
Dec 10, 2024 Building Permit Related(PS) Plumbing - Proposed addition at rear of existing one storey dwelling to convert to 4 -unit building (2 units in basement, 2 units in first floor) Closed
Mar 14, 2024 Building Permit Related(PS) REVISION 02: Revision to Plumbing Permit with updated Plumbing Data SheetPlumbing - Proposed 2 sty. Rear addition [39.15m²], second sty add. [121.54m²], rebuild exist. Front porch, prop. Rear wood balcony [4.65m²], prop. Detached 2 car garage[40.00m²], prop. Secondary suiteREVISION TO PREVIOUSLY APP Closed
Jan 19, 2024 Second Suite (New) proposing to covert existing basement into a second suite $40K Closed
Jan 19, 2024 Building Permit Related(PS) Plumbing - proposing to covert existing basement into a second suite Closed
Nov 27, 2023 Building Permit Related(MS) HVAC - Proposed 2 sty. Rear addition [39.15m²], second sty add. [121.54m²], rebuild exist. Front porch, prop. Rear wood balcony [4.65m²], prop, prop. Secondary suite(Detached garage removed from proposal). Closed
Jul 18, 2023 Building Permit Related (DR) Drain - Proposed 2 sty. Rear addition [39.15m²], second sty add. [121.54m²], rebuild exist. Front porch, prop. Rear wood balcony [4.65m²], prop. Detached 2 car garage[40.00m²], prop. Secondary suiteREVISION TO PREVIOUSLY APPROVED PERMIT #23 116948 DRN 01 DR , PROPOSED 3RD UNIT IN BASEMENT Closed
Jul 18, 2023 Multiple Projects Proposed 2 sty. Rear addition [39.15m²], second sty add. [121.54m²], rebuild exist. Front porch, prop. Rear wood balcony [4.65m²], prop, prop. Secondary suiteREVISION TO PREVIOUSLY APPROVED PERMIT #23 116948 BLD 00 SR, PROPOSED 3RD UNIT IN BASEMENT(Detached garage removed from proposal). Closed
Mar 28, 2023 Accessory Building(s) revision: proposal to remove porch area Open
Feb 22, 2023 Other(SR) Proposed to Demolish the existing single dettached rear garage. $1K Closed
Apr 12, 2022 Addition(s) Proposed 2nd-storey rear addition and new rear deck. $350K Closed
Apr 12, 2022 Building Permit Related(PS) Plumbing - Proposed 2nd-storey rear addition and new rear deck. Closed
Apr 6, 2022 Other(SR) Proposal to construct a retaining wall at the rear of an existing SFD-detached dwelling. $50K Closed
Mar 23, 2022 Multiple Projects Rev 1: PROPOSED: SECOND STOREY ADDITION , INTERIOR ALTERATIONS. Closed
Feb 24, 2022 Back Water Valve (Sewer only) Proposal to install a backwater valve on the sanitary line in an existing SFD-detached dwelling. Closed
Feb 11, 2022 Interior Alterations Proposal for interior alterations to an existing 1 storey SFD-detached dwelling. $50K Closed
Feb 11, 2022 Building Permit Related(PS) Plumbing - Proposal for interior alterations to an existing 1 storey SFD-detached dwelling. Closed
Jul 20, 2021 Building Permit Related(MS) HVAC - PROPOSED: SECOND STOREY ADDITION , INTERIOR ALTERATIONS. Closed

The 40 most recent of 93 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
93
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-900