Street · 245 of 8,567 by permit count
Building permits on Cosburn Ave
The City of Toronto has 562 building permits on record for Cosburn Ave, going back to 1985. Those permits created 111 homes and removed 10, a net change of +101. Declared construction value totals $41.3M. The most recent permit was applied for Sep 4, 2026 at 669 Cosburn Ave.
- Permits on record
- 5621985–2026
- Declared construction value
- $41.3Mas filed, not adjusted
- Homes created
- 111dwelling units
- Homes removed
- 10net +101
Permits issued per year
20002026 (part year)
Most common work
Structures worked on
Where this street runs
Danforth East York 193 permits
Old East York 180 permits
Woodbine-Lumsden 92 permits
Broadview North 86 permits
Most recent permits
| Issued | Work | What was filed | Value | Status |
|---|---|---|---|---|
| Sep 4, 2026 | Multiple Projects | Proposal for second storey addition and interior alterations to convert single family dwelling to triplex. | $100K | Open |
| Aug 11, 2026 | New Laneway / Rear Yard Suite | Proposed new garden suite in the rear yard | $100K | Open |
| Aug 11, 2026 | Underpinning | Revision 01: Revised drawings.Proposed basement underpinning. | — | Open |
| Aug 5, 2026 | Building Permit Related(PS) | Plumbing - Proposal to construct a second-floor addition and terrace to existing single family dwelling. | — | Open |
| Aug 5, 2026 | Building Permit Related(MS) | HVAC - Proposal to construct a second-floor addition and terrace to existing single family dwelling. | — | Open |
| Aug 5, 2026 | Multiple Projects | Proposal to construct a second-floor addition and terrace to existing single family dwelling.See also 25-107673 ZAP and 25-239226 STE 19 MV | — | Open |
| Jul 30, 2026 | Garage Repair/Reconstruction | Parking garage local repairs | $190K | Open |
| Jul 20, 2026 | Interior Alterations | Provide a new Universal WR at the lower level, upgrade finishes (flooring/ceiling), renovate the refrigeration room, provide new refrigerated curling slab, provide new mechanical units, provide new plumbing for new Universal WR. | $3.0M | Open |
| Jul 14, 2026 | Underpinning | Proposed basement underpinning. | $20K | Closed |
| Jun 26, 2026 | Garage | Proposal to construct an addition to the existing rear yard detached private garage. | $10K | Closed |
| Jun 24, 2026 | Building Permit Related(PS) | Plumbing - Proposal for accessibility upgrades, new elevator installation, interior alterations for universal washrooms. | — | Open |
| Jun 24, 2026 | Interior Alterations | Proposal for accessibility upgrades, new elevator installation, interior alterations for universal washrooms. | $420K | Open |
| Jun 24, 2026 | Building Permit Related(MS) | HVAC - Proposal for accessibility upgrades, new elevator installation, interior alterations for universal washrooms. | — | Open |
| Jun 12, 2026 | Back Water Valve (Sewer only) | Proposed backwater valve. | — | Closed |
| Jun 4, 2026 | Building Permit Related(MS) | HVAC - Proposed interior alterations to auditorium of existing secondary school. | — | Open |
| Jun 4, 2026 | Building Permit Related(PS) | Plumbing - Proposed interior alterations to auditorium of existing secondary school. | — | Open |
| May 29, 2026 | Interior Alterations | Proposed interior alterations to auditorium of existing secondary school. | $1.7M | Open |
| Apr 7, 2026 | Building Permit Related(MS) | HVAC - Interior alterations and second floor addition | — | Open |
| Mar 26, 2026 | Multiple Projects | Interior alterations and second floor addition | $75K | Open |
| Mar 26, 2026 | Building Permit Related(PS) | Plumbing - Interior alterations and second floor addition | — | Open |
| Feb 19, 2026 | Garage | Rear yard detached garage | $60K | Open |
| Jan 29, 2026 | Building Permit Related(PS) | Plumbing - Adding a new staff bathroom and minor alterations to existing Layout | — | Closed |
| Jan 29, 2026 | Interior Alterations | Adding a new staff bathroom and minor alterations to existing Layout | $20K | Open |
| Jan 20, 2026 | Garage | Proposal to construct a rear yard detached garage with below grade storage | $60K | Closed |
| Jan 15, 2026 | Garage | Proposal to construct a rear yard detached garage with below grade storage | $60K | Closed |
| Oct 22, 2025 | Interior Alterations | Proposal for interior alterations to alter first floor layout, increase size of exterior doors and change location of window. | $85K | Closed |
| Oct 22, 2025 | Building Permit Related(PS) | Plumbing - Proposal for interior alterations to alter first floor layout, increase size of exterior doors and change location of window. | — | Closed |
| Jul 18, 2025 | Building Permit Related(MS) | HVAC - Proposal to alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition. The existing rear deck and stairs, and rear detached garage will be maintained. | — | Open |
| Jul 15, 2025 | Addition(s) | Proposal to alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition. The existing rear deck and stairs, and rear detached garage will be maintained. | $150K | Open |
| Jul 14, 2025 | Multiple Projects | REV 02: Resizing of the RIGHT side windows. Prop. Hard pathway at the rear side.REVISION#1: STRUCTURAL CHANGESProposal to construct a new two storey single family detached dwelling (< 50% of the original building has been maintained). | — | Closed |
| May 14, 2025 | Multiple Projects | Proposal to demolish the existing entrance platform and stairs, lower the entrance door, and construct a new architectural feature wall. | $100K | Closed |
| Oct 4, 2024 | Other(BA) | Repair the exterior walls to a sound and durable condition. | $250K | Closed |
| Sep 25, 2024 | Multiple Projects | Proposal for a new rear entrance and deck addition. | $3K | Open |
| Sep 3, 2024 | Back Water Valve (Sewer only) | Proposal to install backwater valve. | — | Closed |
| Aug 30, 2024 | Building Permit Related(MS) | HVAC - Interior alteration of existing dwelling | — | Open |
| Aug 7, 2024 | Interior Alterations | Interior alteration of existing dwelling | $100K | Open |
| Aug 7, 2024 | Building Permit Related(PS) | Plumbing - Interior alteration of existing dwelling | — | Open |
| Jul 31, 2024 | Other(BA) | The intent of the Work is to repair the exterior walls to a sound and durablecondition. | $250K | Closed |
| Jun 27, 2024 | Porch | Reconstruction of front concrete porch following vehicle impact. | $60K | Closed |
| May 31, 2024 | Multiple Projects | Revision 01 - Building Permit Revision 01 to original permit 22 133767 BLD 00 SR:1. Front entrance platform width changed to 1.3 m from 1.8 m; 2.Front entrance steps rotated by 90 degree; 3. Front yard parking width increased to 3.53 m from 2.63 m; 4.Front entrance walkway changed accordingly; 5. Fr | — | Closed |
The 40 most recent of 562 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.