thepermitmap

Street · 755 of 8,565 by permit count

Building permits on Mason Blvd

The City of Toronto has 237 building permits on record for Mason Blvd, going back to 1985. Those permits created 18 homes and removed 11, a net change of +7. Declared construction value totals $72.2M. The most recent permit was applied for Sep 2, 2026 at 46 Mason Blvd.

Permits on record
2371985–2026
Declared construction value
$72.2Mas filed, not adjusted
Homes created
18dwelling units
Homes removed
11net +7

Permits issued per year

20012026 (part year)

Most common work

  • Building Permit Related(PS)49 · 21%
  • Building Permit Related(MS)40 · 17%
  • Building Permit Related (DR)24 · 10%
  • New Building21 · 9%
  • Addition(s)19 · 8%
  • Demolition19 · 8%
  • Multiple Projects12 · 5%
  • Interior Alterations11 · 5%
  • Accessory Building(s)9 · 4%
  • Back Water Valve (Sewer only)9 · 4%
  • Pool Fence Enclosure8 · 3%
  • Other(SR)3 · 1%

Structures worked on

  • SFD - Detached217 · 92%
  • Secondary School18 · 8%
  • 2 Unit - Detached1 · 0%
  • Other1 · 0%

Most recent permits

Issued Work What was filed Value Status
Sep 2, 2026 Accessory Building(s) Proposal to construct a garden shed.See also 26-146825 ZAP 00 ZR and 26-186207 NNY 08 MV $14K Closed
Aug 5, 2026 Multiple Projects Proposed construction of a rear two-storey addition with basement, interior alterations, basement side entrance, and a new rear concrete slab deck. $250K Open
Aug 5, 2026 Building Permit Related (DR) Drain - Proposed construction of a rear two-storey addition with basement, interior alterations, basement side entrance, and a new rear concrete slab deck. Open
Aug 5, 2026 Building Permit Related(PS) Plumbing - Proposed construction of a rear two-storey addition with basement, interior alterations, basement side entrance, and a new rear concrete slab deck. Open
Aug 5, 2026 Building Permit Related(MS) HVAC - Proposed construction of a rear two-storey addition with basement, interior alterations, basement side entrance, and a new rear concrete slab deck. Open
Jul 29, 2026 Interior Alterations Revision 01: Revised layout as bubbled. Proposed interior alterations Open
Jul 20, 2026 Inside and Outside Drains Drain - Proposal to retrofit and addition to the Loretto Abbey School $428K Open
Jul 9, 2026 Building Permit Related(PS) Plumbing - Proposal to retrofit and addition to the Loretto Abbey School Open
Jul 9, 2026 Building Permit Related(MS) HVAC - Proposal to retrofit and addition to the Loretto Abbey School Open
Jul 9, 2026 Multiple Projects Proposal to retrofit and addition to the Loretto Abbey School $24.1M Open
May 12, 2026 Back Water Valve (Sewer only) Back water valve installation. Closed
Apr 2, 2026 Accessory Building(s) Proposed cabana in rear yard $28K Open
Feb 11, 2026 Accessory Building(s) Proposed cabana in rear yard $30K Closed
Feb 2, 2026 Building Permit Related(PS) Plumbing - Proposal for addition at rear and south of exisiting home Open
Feb 2, 2026 Building Permit Related (DR) Drain - Proposal for addition at rear and south of exisiting home Open
Jan 29, 2026 Multiple Projects Proposal for addition at rear and south of exisiting home $1.0M Open
Jan 7, 2026 Accessory Building(s) Proposal to construct an accessory building in the rear yard. $45K Closed
Jan 7, 2026 Accessory Building(s) Proposed cabana in the rear of the existing dwelling. $30K Closed
Dec 12, 2025 Accessory Building(s) Proposed cabana in the rear of the existing dwelling $30K Closed
Sep 3, 2025 Accessory Building(s) Proposal to construct an accessory building in the rear yard. $45K Closed
Aug 19, 2025 Accessory Building(s) Proposed pergola attached to the house. $10K Open
Aug 7, 2025 Building Permit Related(PS) Plumbing - Proposed interior alterations Open
Jul 21, 2025 Interior Alterations Proposed interior alterations $60K Closed
Jul 21, 2025 Building Permit Related(PS) Plumbing - Proposed interior alterations Closed
Jul 8, 2025 Other(BA) The main scope of work that is submitted for this permit application is the replacement of the existing concrete stairs and retaining wall with new cast-in-place concrete stairs and retaining wall. There is also waterproofing for the exterior foundation wall, as well as replacement of the existing c $31K Open
Dec 19, 2024 Inside and Outside Drains Drain - Proposal to retrofit and addition to the Loretto Abbey School Closed
Dec 19, 2024 Building Permit Related(PS) Plumbing - Proposal to retrofit and addition to the Loretto Abbey School Closed
Dec 19, 2024 Building Permit Related(MS) HVAC - Proposal to retrofit and addition to the Loretto Abbey School Closed
Dec 19, 2024 Multiple Projects Proposal to retrofit and addition to the Loretto Abbey School $24.1M Closed
Nov 26, 2024 Multiple Projects Demolition of existing one storey Infirmary Building and existing one storey building between existing School and Infirmary at Loretto Abbey Catholic Secondary School & removal of associated Structural M&E and Site Service items and trees as shown in demolition drawings. $951K Closed
Sep 10, 2024 Building Permit Related(PS) Plumbing - Proposed rear addition using a pre-fabricated unit Open
Sep 10, 2024 Multiple Projects Proposed rear addition using a pre-fabricated unit $75K Open
Sep 10, 2024 Building Permit Related(MS) HVAC - Proposed rear addition using a pre-fabricated unit Open
Sep 10, 2024 Building Permit Related (DR) Drain - Proposed rear addition using a pre-fabricated unit Open
Sep 4, 2024 Site Service Drain - Demolition of existing one storey Infirmary Building and existing one storey building between existing School and Infirmary at Loretto Abbey Catholic Secondary School & removal of associated Structural M&E and Site Service items and trees as shown in demolition drawings. $951K Closed
Nov 23, 2023 Canopy Outdoor kitchen addition to existing patio $25K Open
Sep 1, 2023 New Building REV 02: Proposed changes to site grading.Rev 01 - Revision to basement plan, concrete foundation moved further back from property line to accomodate tree protection zone, and installing pool at rear.Proposal to construct a new two storey single family dwelling with an integral garage and finished ba New build
Jul 26, 2022 Back Water Valve (Sewer only) Install a back water valve Open
Jun 30, 2022 Accessory Building(s) adding pergola to back of house $15K Closed
Mar 23, 2022 Building Permit Related(MS) HVAC - proposal to construct new two storey dwelling with attached garage Closed

The 40 most recent of 237 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
237
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-121