Street · 1390 of 8,565 by permit count
Building permits on Commonwealth Ave
The City of Toronto has 139 building permits on record for Commonwealth Ave, going back to 2003. Those permits created 14 homes and removed 9, a net change of +5. Declared construction value totals $4.9M. The most recent permit was issued Sep 3, 2026 at 23 Commonwealth Ave.
- Permits on record
- 1392003–2026
- Declared construction value
- $4.9Mas filed, not adjusted
- Homes created
- 14dwelling units
- Homes removed
- 9net +5
Permits issued per year
20032026 (part year)
Most common work
Structures worked on
Most recent permits
| Issued | Work | What was filed | Value | Status |
|---|---|---|---|---|
| Sep 3, 2026 | Building Permit Related(MS) | HVAC Revision 01 - New heating system proposed for entire dwelling. -------------------------------------------------------------------------HVAC - Proposal for new two storey addition and finished basement | — | Open |
| Sep 2, 2026 | Interior Alterations | Convert existing front retail use to a home office and or recreation area, no alterations only change of use. Retail to be discontinued and convert into residential. | $1K | Open |
| Aug 17, 2026 | New Building | REVISION - to remove the approved basement dwelling unit/apartmentProposal for a new 2 storey 2 Unit-Detached (Duplex) | — | New build |
| Aug 4, 2026 | Multiple Projects | Revision to convert basement into a secondary suite.Proposal for new two storey addition and finished basement | — | Open |
| Jun 5, 2026 | Building Permit Related(MS) | HVAC - Proposal for a new 2 storey 2 Unit-Detached (Duplex) | — | Open |
| May 15, 2026 | Building Permit Related(PS) | Revision to convert basement to a second suite.Plumbing - Proposal for new two storey addition and finished basement | — | Open |
| Jan 26, 2026 | Building Permit Related(PS) | Plumbing - Proposal for a new 2 storey 2 Unit-Detached | — | Open |
| Jan 26, 2026 | Building Permit Related (DR) | Drain - Proposal for a new 2 storey 2 Unit-Detached | — | Open |
| Jan 26, 2026 | Demolition | Proposal for a new 2 storey 2 Unit-Detached | — | Demolition |
| Jan 16, 2026 | Building Permit Related(MS) | HVAC - Proposal to construct an addition and interior alterations with three new windows, below grade entrance in the side yard, plumbing and HVAC | — | Open |
| Jan 16, 2026 | Building Permit Related (DR) | Drain - Proposal to construct an addition and interior alterations with three new windows, below grade entrance in the side yard, plumbing and HVAC | — | Open |
| Jan 16, 2026 | Multiple Projects | Proposal to construct an addition and interior alterations with three new windows, below grade entrance in the side yard, plumbing and HVAC. Second suite in basement. | $70K | Open |
| Dec 30, 2025 | Multiple Projects | Revision FOR INTERIOR ALTERATION OF BASEMENT FLOOR PLAN, 2 NORTH WINDOW PROPOSED INSTEAD OF ONE WINDOW AT BASEMENT AT THE NORTH SIDEProposal for legalization of basement with interior alterations and underpinning of basement. | — | Open |
| Nov 20, 2025 | Building Permit Related (DR) | Drain - Proposal for new two storey addition and finished basement | — | Open |
| Nov 3, 2025 | Multiple Projects | REV : Existing shed to remainONE STOREY REAR ADDITION 74.04 WITH SECONDARY SUITE HEIGHT 5.43 | — | Closed |
| Sep 29, 2025 | New Building | REVISION 4 - to remove the 2nd suiteInteral floor layout changes in the 2nd floor Removal of Lift Changes in the structure in the basment and floor due to removal of Lift Changes to the walkout stairsShifting 1 furnace from basment to the 2nd floorRevised Sizes of front main door and basment walkout | — | New build |
| Aug 15, 2025 | Porch | Proposal to renovate existing front porch to add concrete floor finish and railing, replace roof and exteior wall vinyl sidings | $18K | Closed |
| Jul 24, 2025 | Multiple Projects | REV 04: Increase depth of deck. WOOD FRAME EXTENTION TO EXISTING MASONARY PORCH ROOF OVER ANDRECONSTRUCT STAIRS TO BASEMENT. | — | Closed |
| Mar 12, 2025 | Building Permit Related(PS) | Plumbing - Proposal to construct an addition and interior alterations with three new windows, below grade entrance in the side yard, plumbing and HVAC | — | Open |
| Dec 18, 2024 | Building Permit Related(PS) | Plumbing - Proposal for legalization of basement with interior alterations and underpinning of basement. | — | Open |
| Oct 31, 2024 | Addition(s) | Proposal to remove existing deck and replace it with a sunroom. | $20K | Open |
| Sep 16, 2024 | Building Permit Related(MS) | REVISION 01: HVAC layout for a new construction residential dwellingHVAC - Proposal for a 2 storey Single Family Dwelling with integral Garage and basement walkout. | — | Closed |
| Aug 15, 2024 | Building Permit Related (DR) | Drain - ONE STOREY REAR ADDITION 74.04 WITH SECONDARY SUITE HEIGHT 5.43 | — | Closed |
| Aug 15, 2024 | Building Permit Related(PS) | Plumbing - ONE STOREY REAR ADDITION 74.04 WITH SECONDARY SUITE HEIGHT 5.43 | — | Closed |
| Aug 15, 2024 | Building Permit Related(MS) | HVAC - ONE STOREY REAR ADDITION 74.04 WITH SECONDARY SUITE HEIGHT 5.43 | — | Closed |
| Jan 19, 2024 | Multiple Projects | Revision to the stairs for the front porch, exterior wall material, basement new LVL beams and footings, ground floor framing for balcony, second floor existing ceiling joist layout per site condition | — | Closed |
| Nov 14, 2023 | Multiple Projects | REV - Revision to building permit # 22 211528 BLD 00 SR - Adding four columns for foundation | — | Closed |
| Sep 11, 2023 | Addition(s) | Adding a mezzanine to existing Church Nave as Sound Control Room. | $50K | Closed |
| May 24, 2023 | Building Permit Related(MS) | HVAC - Construct an addition at rear | — | Closed |
| May 9, 2023 | Building Permit Related(PS) | Plumbing - Construct an addition at rear | — | Closed |
| Mar 15, 2023 | Back Water Valve (Sewer only) | Install Back water Valve on sanitary line | — | Closed |
| Oct 17, 2022 | Building Permit Related (DR) | Drain - Proposal for a 2 storey Single Family Dwelling with integral Garage and basement walkout. | — | Closed |
| Oct 17, 2022 | Demolition | Proposal to demolish the existing Dwelling. | — | Demolition |
| Oct 17, 2022 | Building Permit Related(PS) | Plumbing - Proposal for a 2 storey Single Family Dwelling with integral Garage and basement walkout. | — | Closed |
| Sep 8, 2022 | Building Permit Related(PS) | Plumbing - Proposed second floor new addition and interior alteration work for the existing 2-Stories dwelling house | — | Closed |
| Sep 7, 2022 | Building Permit Related(MS) | HVAC - Proposed second floor new addition and interior alteration work for the existing 2-Stories dwelling house | — | Closed |
| Feb 2, 2022 | Building Permit Related(MS) | HVAC - Proposal to demolish existing dwelling to contsruct new two (2) storey Single Family Dwelling, with integral garage, finished basement with walkout and kitchen, deck at rear, 2 balconies at front and rear of second storey | — | Closed |
| Oct 29, 2021 | Second Suite (New) | Proposal for interior alterations to add a 2nd suite in the basement of an existing dwelling. | $10K | Closed |
| Oct 29, 2021 | Building Permit Related(PS) | Plumbing - Proposal for interior alterations to add a 2nd suite in the basement of an existing dwelling. | — | Closed |
| Sep 22, 2021 | Demolition | Proposal to demolish existing dwelling to contsruct new two (2) storey Single Family Dwelling, with integral garage, finished basement with walkout and kitchen, deck at rear, 2 balconies at front and rear of second storey | — | Demolition |
The 40 most recent of 139 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.