Type of work · 28 of 103 by permit count
Second Suite (New) permits in Toronto
The City of Toronto has 4,246 second suite (new) permits on record for Toronto, going back to 1995. Those permits created 3,833 homes and removed 2, a net change of +3,831. Declared construction value totals $158.4M. The most recent permit was issued Sep 10, 2026 at 19 Madrid St.
- Permits on record
- 4,2461995–2026
- Declared construction value
- $158.4Mas filed, not adjusted
- Homes created
- 3,833dwelling units
- Homes removed
- 2net +3,831
Permits issued per year
20012026 (part year)
Most common work
Structures worked on
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Sep 10, 2026 | 19 Madrid St | Second Suite (New) | Proposed interior alterations for second suite in basement. | $25K | Open |
| Sep 10, 2026 | 107 Lexington Ave | Second Suite (New) | Proposal to construct a secondary unit including 2 proposed windows and 1 window to be enlarged. | $47K | Open |
| Sep 10, 2026 | 40 Pinemore Cres | Second Suite (New) | Revision 01 - New proposed escape window and revised electrical and basement layout.---------------------------------------------------------------------Proposed finished basement as second dwelling unit with existing above grade side yard door as entrance. | — | Open |
| Sep 10, 2026 | 214 Roywood Dr | Second Suite (New) | Proposal for second dwelling unit with below grade entrance | $40K | Open |
| Sep 10, 2026 | 82 Blakemanor Blvd | Second Suite (New) | Proposed interior alterations to the existing detached dwelling to create a legal basement dwelling unit. | $90K | Open |
| Sep 10, 2026 | 20 Martindale Rd | Second Suite (New) | Proposed interior alterations to create a second suite in the basement. | $10K | Open |
| Sep 10, 2026 | 59 Claremont St | Second Suite (New) | PROPOSED LEGALIZE EXISTING TWO UNIT DWELLING | $5K | Open |
| Sep 10, 2026 | 120 Pleasant View Dr | Second Suite (New) | Proposed Legalize the finished basement into a second unit. | $10K | Open |
| Sep 9, 2026 | 462 Westmount Ave | Second Suite (New) | Second unit in the basement and walkout | $90K | Closed |
| Sep 9, 2026 | 1 Hoshlega Dr | Second Suite (New) | Rev 01: Removal of enlarged window.PROPOSED SECOND DWELLING UNIT IN BASEMENT, ONE(1) ENLARGED WINDOW IN BASEMENT | — | Open |
| Sep 9, 2026 | 27 Slan Ave | Second Suite (New) | Revision to add a New washroom and 2 new doors Converting existing basemen into to legal basement (ADU) with new walkout entrance door. | — | Open |
| Sep 8, 2026 | 270 Boon Ave | Second Suite (New) | Proposed interior alterations to convert existing recreation space to secondary suite. | $30K | Open |
| Sep 8, 2026 | 97 Gradwell Dr | Second Suite (New) | Proposed legalize two units in the basement. Total 3 units in the building | $195K | Open |
| Sep 8, 2026 | 6 Faraday Dr | Second Suite (New) | Basement apt - Second Suite | $40K | Open |
| Sep 4, 2026 | 128 Snowdon Ave | Second Suite (New) | Proposal for Interior Alteration and a second unit in the basement | $100K | Open |
| Sep 3, 2026 | 31 Speers Ave | Second Suite (New) | LEGALIZATION OF AS-BUILT BASEMENT APARTMENT, PROPOSED ONE NEW WINDOWSee also 26 210089 WNP | $30K | Open |
| Sep 1, 2026 | 19 Irvington Cres | Second Suite (New) | Proposed interior alterations for second suite. | $20K | Closed |
| Sep 1, 2026 | 34 Marlebon Rd | Second Suite (New) | Interior alterations to create a new basement apartment and enlarge one window. | $15K | Open |
| Aug 31, 2026 | 234 Boon Ave | Second Suite (New) | PROPOSED TO CONSTRUCT A SECOND LEGAL UNIT INTHE EXISTING BASEMENT | $10K | Open |
| Aug 28, 2026 | 156 Palmerston Ave | Second Suite (New) | Revision 01 - Revision for change in the location of the Basement apt unit 2 entrance door. -----------------------------------------------------------------New secondary suite and interior alterations | — | Closed |
| Aug 28, 2026 | 1 Milford Haven Dr | Second Suite (New) | Rev. 03 - relocating the furnace including replacing ducts and adding a powder room on the main floor.REV 01: RELOCATING THE FURNACE INCLUDING REPLACING DUCTS AND ADDING A POWDER ROOM ON MAIN FLOORPROPOSED BASEMENT APARTMENT INCLUDING ONE NEW BASEMENT WINDOW AND PROPOSED LAUNDRY ON MAIN FLOOR | — | Closed |
| Aug 28, 2026 | 228 Major St | Second Suite (New) | REV 01: CONVERT AREA UNDER PORCH AS USEABLE SPACE.Proposal for interior alterations to new Basement Secondary Suite | — | Open |
| Aug 28, 2026 | 25 Olga St | Second Suite (New) | REV 01: Revision to location of door and one window.Interior alterations to create a new basement second suite with a new side entrance. | — | Open |
| Aug 27, 2026 | 588 Northcliffe Blvd | Second Suite (New) | Proposal for basement 2nd suite and additional bedroom & w/c in ground floor | $5K | Closed |
| Aug 27, 2026 | 168 Taysham Cres | Second Suite (New) | Proposal to add new 2nd unit in basement of existing dwelling | $65K | Open |
| Aug 27, 2026 | 30 Davelayne Rd | Second Suite (New) | Proposal for interior alterations to construct a secondary suite in the basement. | $50K | Open |
| Aug 26, 2026 | 375 Huntsmill Blvd | Second Suite (New) | INTERIOR ALTERATION FROM SINGLE-FAMILY DWELLING TO 2ND SUITE AT BASEMENT | $6K | Open |
| Aug 25, 2026 | 2 Picasso Rd | Second Suite (New) | Proposed legalization of an existing basement dwelling unit (second suite) within a detached house, including life-safety and fire separation upgrades. | $5K | Closed |
| Aug 25, 2026 | 62 Baycrest Ave | Second Suite (New) | Proposal to convert existing finished basement for second suite. | $10K | Open |
| Aug 25, 2026 | 84 Chestermere Blvd | Second Suite (New) | Legalize basement apartment and minor alterations on the main floor consisting of stair fire separation and new laundry room. | $50K | Open |
| Aug 24, 2026 | 16 Lilywood Rd | Second Suite (New) | Proposed minor Interior Alterations with plumbing. One (1) Secondary Suite in basement. | $3K | Open |
| Aug 24, 2026 | 112 Earlton Rd | Second Suite (New) | Proposal to legalize existing second suite in basement. | — | Open |
| Aug 24, 2026 | 586 Richmond St W | Second Suite (New) | Proposal for interior alterations to legalize a secondary suite. | $25K | Open |
| Aug 21, 2026 | 2 Picasso Rd | Second Suite (New) | Proposed interior alterations to an existing single-detached dwelling to create a legal secondary suite in the basement, life safety upgrades in accordance with the Ontario Building Code. | $5K | Closed |
| Aug 21, 2026 | 30 Inglewood Dr | Second Suite (New) | Revision No. 7: Minor change to the Deck dimensions and stair layout changeRevision 06: Revised basement layout, update windows & deck. Rev 05: change in the deck dimensions and closing of some windows.REV: Proposed revision to make attic space livableINTERIOR RENOVATION- NEW SECONDARY SUITE IN THE | — | Open |
| Aug 21, 2026 | 48 Limevale Cres | Second Suite (New) | Proposal for a 2nd unit (Secondary Suite) in the basement of this existing detached SFD. | $35K | Open |
| Aug 20, 2026 | 14 Littleborough Crt | Second Suite (New) | Proposal to legalize second suite in dwelling. | — | Open |
| Aug 20, 2026 | 57 Treverton Dr | Second Suite (New) | New basement seconday suite. | $5K | Open |
| Aug 18, 2026 | 588 Northcliffe Blvd | Second Suite (New) | Proposal for 2nd suite in basement of existing dwelling | $5K | Closed |
| Aug 17, 2026 | 687 Midland Ave | Second Suite (New) | Proposed interior alteration to arrange second unit at basement. | $4K | Open |
The 40 most recent of 4,246 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.