Structure · 67 of 153 by permit count
Triplex building permits in Toronto
The City of Toronto has 395 building permits on triplex structures on record for Toronto, going back to 1995. Those permits created 76 homes and removed 28, a net change of +48. Declared construction value totals $12.7M. The most recent permit was issued Aug 26, 2026 at 116 Medland St.
- Permits on record
- 3951995–2026
- Declared construction value
- $12.7Mas filed, not adjusted
- Homes created
- 76dwelling units
- Homes removed
- 28net +48
Permits issued per year
20012026 (part year)
Most common work
Structures worked on
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Aug 26, 2026 | 116 Medland St | Building Permit Related(PS) | Plumbing - Legalize existing rear addition, details as per attached drawings, legalize the triplex use. | — | Open |
| Aug 13, 2026 | 44 Thorncliffe Ave | Building Permit Related(PS) | Plumbing - Proposal for interior alterations and underpinning to existing basement to create new suite in existing Duplex which is now a Triplex | — | Open |
| Feb 23, 2026 | 15 Chelway Rd | Building Permit Related(PS) | Plumbing - Proposal for addition/Removal of windows, walls, office to kitchen conversion (converting into 3 units/multiplex). | — | Closed |
| Jan 9, 2026 | 3 Grange Ave | Multiple Projects | Proposal to convert into triplex including interior alterations, third floor addition, underpinning, and rooftop terrace. | $150K | Open |
| Aug 22, 2025 | 197 Thirtieth St | Other(SR) | Proposal to legalize rear addition built to industrial building without benefit of a permit. Other work to include removal of structures built without the benefit of a permit and restore existing Single Family Dwelling and Industrial building back to prior condition | $3K | Open |
| Aug 15, 2025 | 15 Andrew Ave | Building Permit Related(MS) | HVAC - Proposal to demolish existing dwelling and construct a new triplex. | — | Closed |
| Jul 28, 2025 | 255 Gamma St | Building Permit Related(PS) | Plumbing - Interior Alterations to Existing Building (3 unit Triplex) and Rear Exterior Stair | — | Closed |
| May 26, 2025 | 15 Acorn Ave | Building Permit Related (DR) | Drain - NEW CONSTRUCTION TRIPLEX, BASEMENT+ 3 STOREYnh | — | Closed |
| May 26, 2025 | 15 Acorn Ave | Building Permit Related(PS) | Plumbing - NEW CONSTRUCTION TRIPLEX, BASEMENT+ 3 STOREYnh | — | Closed |
| May 26, 2025 | 15 Acorn Ave | Building Permit Related(MS) | HVAC - NEW CONSTRUCTION TRIPLEX, BASEMENT+ 3 STOREYnh | — | Closed |
| Mar 11, 2025 | 15 Andrew Ave | New Building | Proposal to demolish existing dwelling and construct a new triplex. | $1.2M | New build |
| Jan 28, 2025 | 18 Ormerod St | Building Permit Related(PS) | Plumbing - Applicant confirmed proposal is for TriplexProposal to legalize three units in a detached dwelling. | — | Closed |
| Dec 17, 2024 | 255 Gamma St | Interior Alterations | Interior Alterations to Existing Building (3 unit Triplex) and Rear Exterior Stair | $30K | Closed |
| Dec 13, 2024 | 1119 Dufferin St | New Building | Demolition of existing 1 storey house and construction of 3 storey triplex. | $1.1M | New build |
| Nov 12, 2024 | 18 Ormerod St | Building Permit Related(MS) | HVAC - Applicant confirmed proposal is for TriplexProposal to legalize three units in a detached dwelling. | — | Closed |
| Oct 24, 2024 | 17 Ordway Rd | Interior Alterations | Proposal for interior alterations to convert existing detached dwelling to a 3 unit dwelling. | $30K | Closed |
| Oct 9, 2024 | 798 Dovercourt Rd | Building Permit Related (DR) | Drain - Proposal to demolish existing house and construct a new detached 3 storey - triplex.(22 182834 ZAP 00 ZR). | — | Closed |
| Sep 26, 2024 | 400 Euclid Ave | Other(SR) | Proposal for front walkout and interior alterations to convert SFD to Triplex, and alterations to dormer on 3rd storey at rear. | $2K | Open |
| Aug 19, 2024 | 502 Atlas Ave | Building Permit Related (DR) | Drain - Proposal to construct a new 3 storey dwelling with 3 units by way of construction (more than 50% of existing dwelling removed) - PART 1 | — | Closed |
| Jul 23, 2024 | 302 High Park Ave | Multiple Projects | proposal for interior alteration to convert basement to a seperate unit | $30K | Open |
| Jun 21, 2024 | 116 Medland St | Other(SR) | Legalize existing rear addition, details as per attached drawings, legalize the triplex use. | $10K | Open |
| Jun 13, 2024 | 501 Northcliffe Blvd | Multiple Projects | Proposal to alter the existing one-storey detached dwelling into a triplex by constructing addition in 1st floor and completely new second and third floor additions and interior alterations in basement and 1st floor, basement walkout, rear deck, second storey balcony, third storey balcony. | $100K | Closed |
| Feb 23, 2024 | 16 Saunders Rd | Interior Alterations | Proposal for interior alterations to convert existing SFD to 3 units.Applicant confirmed proposal is for Triplex building type | $25K | Closed |
| Feb 20, 2024 | 83 Amberjack Blvd | Building Permit Related(PS) | Plumbing - Proposal to convert a single family unit into a triplex | — | Open |
| Feb 2, 2024 | 798 Dovercourt Rd | New Building | Proposal to demolish existing house and construct a new detached 3 storey - triplex.(22 182834 ZAP 00 ZR). | $1.5M | New build |
| Feb 2, 2024 | 798 Dovercourt Rd | Building Permit Related(PS) | Plumbing - Proposal to demolish existing house and construct a new detached 3 storey - triplex.(22 182834 ZAP 00 ZR). | — | Closed |
| Feb 2, 2024 | 798 Dovercourt Rd | Building Permit Related(MS) | HVAC - Proposal to demolish existing house and construct a new detached 3 storey - triplex.(22 182834 ZAP 00 ZR). | — | Closed |
| Dec 19, 2023 | 114 Gothic Ave | Building Permit Related(PS) | Plumbing - To construct a third floor addition, interior alterations and proposed balcony | — | Closed |
| Nov 30, 2023 | 114 Gothic Ave | Multiple Projects | To construct a third floor addition, interior alterations and proposed balcony | $73K | Closed |
| Sep 27, 2023 | 709 Vaughan Rd | Interior Alterations | Proposed interior alterations | $80K | Closed |
| May 3, 2023 | 1306 Weston Rd | Walk-Out Stair | Below Grade Entrance | — | Closed |
| Dec 16, 2022 | 541 St Clarens Ave | Interior Alterations | Proposal to convert the existing two-storey detached dwelling from one-unit into three-units through interior alterations. | $270K | Closed |
| Aug 15, 2022 | 363 Parkside Dr | Building Permit Related(PS) | REVISION - add a washroom in the basementPlumbing - Proposal for interior alterations to an existing triplex | — | Closed |
| Jul 7, 2022 | 456 Armadale Ave | Building Permit Related(MS) | HVAC - ADD NEW SECOND FLOOR RESIDENTIAL UNIT. RETAIN EXISTING GROUND FLOOR UNIT. NEW UNIT IN BASEMENT.rev. 01: New consultant with new mechanical design. | — | Closed |
| Jul 6, 2022 | 98 SUPERIOR AVE | New Building | Rev 01: Proposal to convert proposed single family dwelling to a Triplex (3 Units) per COA decision A0188/20EYK and TLAB Case #21 170110 S45 03 TLAB. Proposal to demolish existing single family dwelling and construct a SFD | — | New build |
| May 4, 2022 | 54 Westhampton Dr | Interior Alterations | SFD with secondary suite, to Triplex, third unit on the 2nd FL to be added | $10K | Closed |
| May 4, 2022 | 54 Westhampton Dr | Building Permit Related(MS) | SFD with secondary suite, to Triplex, third unit on the 2nd FL to be added | — | Closed |
| Mar 2, 2022 | 85 Methuen Ave | Deck | Proposal to construct deck at rear | $10K | Closed |
| Mar 2, 2022 | 130 Baldwin St | Deck | Proposal to construct a rear balcony to existing Triplex | $15K | Closed |
| Feb 18, 2022 | 456 Armadale Ave | Multiple Projects | ADD NEW SECOND FLOOR RESIDENTIAL UNIT. RETAIN EXISTING GROUND FLOOR UNIT. NEW UNIT IN BASEMENT. PROPOSED TRIPLEX (3 DWELLING UNITS IN TOTAL) | $400K | Closed |
The 40 most recent of 395 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.