Structure · 21 of 153 by permit count
2 Unit - Semi-detached building permits in Toronto
The City of Toronto has 6,736 building permits on 2 unit - semi-detached structures on record for Toronto, going back to 2002. Those permits created 1,423 homes and removed 30, a net change of +1,393. Declared construction value totals $198.2M. Half of the 6,027 permits issued here came through within 23 days of the application. The most recent permit was applied for Oct 30, 2026 at 22 Coolmine Rd.
- Permits on record
- 6,7362002–2026
- Declared construction value
- $198.2Mas filed, not adjusted
- Homes created
- 1,423dwelling units
- Homes removed
- 30net +1,393
- Typical wait
- 23 days4 days faster than the city
Permits issued per year
20022026 (part year)
Zoning
- Most common zone
- R76.7% of permits · by-law 10.10
- In detached-house zones
- 2.1%35.9% below the city’s 38.0%
- Permits with a zone
- 6,495of 6,736 on record
The zoning categories the permits in 2 Unit - Semi-detached fall in, under Zoning By-law 569-2013. These are the City's own category names. This counts permits, not land: it says where the building work happened under which rules, not how the area is carved up. What each zone allows, and what gets built in it.
Most common work
Structures worked on
Postal areas
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Oct 30, 2026 | 22 Coolmine Rd | Building Permit Related(MS) | HVAC - Proposal to construct a rear addition to existing second-floor.See also 26-218618 ZAP 00 ZR and 21-114961 BLD 00 SR | — | Open |
| Oct 30, 2026 | 123 Collier St | Interior Alterations | Proposed interior alterations to create a second suite. | $50K | Open |
| Oct 30, 2026 | 22 Coolmine Rd | Multiple Projects | Proposal to construct a rear addition to existing second-floor.See also 26-218618 ZAP 00 ZR and 21-114961 BLD 00 SR | $25K | Open |
| Oct 30, 2026 | 30 Highcroft Rd | Multiple Projects | PROPOSED REPAIRS TO EXISITING REAR ADDTION AND ROOF AND MODIFICATION TO REAR PORCH WITH NEW CANOPY. PROPOSAL ALSO TO LEGALIZED SECOND SUITE. | $50K | Open |
| Oct 29, 2026 | 44 Darnborough Way | Second Suite (New) | Proposed interior alterations to construct a second unit in the basement. | $20K | Open |
| Oct 29, 2026 | 185 Silver Springs Blvd | Second Suite (New) | Convert the lower level ground floor into a secondary unit | $70K | Open |
| Oct 29, 2026 | 185 Silver Springs Blvd | Building Permit Related (DR) | Drain - Convert the lower level ground floor into a secondary unit | — | Open |
| Oct 29, 2026 | 16 Rains Ave | Building Permit Related(PS) | REVISION - to convert the basement into a separate dwelling unit for rental and renovate the first and second floor and to convert the attic space into interior storage. Plumbing - Proposed underpinning and basement walk-out to a semi-detached dwelling. | — | Open |
| Oct 29, 2026 | 964 Logan Ave | Building Permit Related (DR) | Drain - Proposal for Underpinning, basement unit and partial-reconstruct porch. | — | Open |
| Oct 29, 2026 | 185 Silver Springs Blvd | Building Permit Related(PS) | Plumbing - Convert the lower level ground floor into a secondary unit | — | Open |
| Oct 29, 2026 | 77 Fenelon Dr | Back Water Valve (Sewer only) | Install Backwater Valve | — | Open |
| Oct 29, 2026 | 270 Westmoreland Ave | Multiple Projects | REV 02: Revision to permit #23 186318 BLD 00 to correct encroachment of addition party wall with new cladding details, responding to compliance order 26 244760 OTC 00 VIRevision 01 - Revisions to include structural changes and lowering the roof.------------------------------------------------------- | — | Open |
| Oct 29, 2026 | 964 Logan Ave | Building Permit Related(PS) | Plumbing - Proposal for Underpinning, basement unit and partial-reconstruct porch. | — | Open |
| Oct 28, 2026 | 356 Brock Ave | Building Permit Related(MS) | HVAC - Structural - Fire Damage RestorationSee 26 215982 000 00 BR related report | — | Open |
| Oct 28, 2026 | 2 Kenrae Rd | Building Permit Related(PS) | Plumbing - Rear Addition & Interior Alterations on all floors | — | Open |
| Oct 28, 2026 | 27 Mentor Blvd | Second Suite (New) | Proposed second unit in the basement | $35K | Open |
| Oct 28, 2026 | 27 Mentor Blvd | Building Permit Related(PS) | Plumbing - Proposed second unit in the basement | — | Open |
| Oct 28, 2026 | 147 Beatrice St | Second Suite (New) | INTERIOR ALTERATIONS TO THE BASEMENT AND 1ST FLOOR TO CONVERT DWELLING INTO A DUPLEX.See also 26 175214 ZAP | $75K | Open |
| Oct 28, 2026 | 623 Bathurst St | Multiple Projects | Revision 03 - interior alterations to convert to duplex and basement underpinningRevision 2 - Interior alterations within previously approved fourplex. To convert an existing single family semi-detached dwelling into a fourplex and to construct new exterior stairs and deck in the rear yard. There is | — | Open |
| Oct 28, 2026 | 16 Rains Ave | Multiple Projects | REVISION - to convert the basement into a separate dwelling unit for rental and renovate the first and second floor and to convert the attic space into interior storage. Proposed underpinning and basement walk-out, sunken entry court to a semi-detached dwelling. | — | Open |
| Oct 28, 2026 | 2 Kenrae Rd | Building Permit Related (DR) | Drain - Rear Addition & Interior Alterations on all floors | — | Open |
| Oct 27, 2026 | 1506 Dundas St E | Building Permit Related(PS) | Plumbing - Proposal for interior alterations to create a secondary suite and interior alterations to the main and second floors | — | Closed |
| Oct 27, 2026 | 1506 Dundas St E | Building Permit Related(MS) | HVAC - Proposal for interior alterations to create a secondary suite and interior alterations to the main and second floors | — | Closed |
| Oct 27, 2026 | 191 Margueretta St | Multiple Projects | Proposal for underpinning, below grade entrance, and secondary suite in the basement. | $150K | Open |
| Oct 27, 2026 | 191 Margueretta St | Building Permit Related(PS) | Plumbing - Proposal for underpinning, below grade entrance, and secondary suite in the basement. | — | Open |
| Oct 27, 2026 | 191 Margueretta St | Building Permit Related (DR) | Drain - Proposal for underpinning, below grade entrance, and secondary suite in the basement. | — | Open |
| Oct 27, 2026 | 2 Kenrae Rd | Multiple Projects | Rear Addition & Interior Alterations on all floors | $300K | Open |
| Oct 26, 2026 | 219 Roxton Rd | Demolition | Proposal to demolish existing structure. | — | Demolition |
| Oct 26, 2026 | 68 Caroline Ave | Multiple Projects | rev 01: Rear Addition: Depth increased from 13' to approximately 13'-7" as-built, resulting in a 2.0 SQ.M GFA increase for the main and second floors. North Setback Encroachment: Addition projects approximately 3" into the North side setback, resulting in a total GFA increase of 1.0 SQ.M across the | — | Open |
| Oct 26, 2026 | 678 Euclid Ave | Multiple Projects | Proposed interior alterations to all floors, including the creation of a new secondary suite in the basement, and construction of a rear ground-floor deck and rear third-floor deck, to establish a proposed two-unit dwelling. | $100K | Open |
| Oct 23, 2026 | 144 Howland Ave | Building Permit Related(MS) | HVAC - Proposed one storey rear addition and interior alterations to existing dwelling | — | Open |
| Oct 23, 2026 | 15 Wyndham St | Building Permit Related (DR) | Drain - Proposal for a new accessory structure. | — | Open |
| Oct 23, 2026 | 21 Macpherson Ave | Building Permit Related(MS) | HVAC - Underpinning(22 lm), new foundation wall (22lm) new walkout and deck and plumbing | — | Open |
| Oct 22, 2026 | 1506 Dundas St E | Multiple Projects | Proposal for interior alterations to create a secondary suite and interior alterations to the main and second floors | $20K | Closed |
| Oct 22, 2026 | 15 Wyndham St | Building Permit Related(PS) | Plumbing - Proposal for a new accessory structure. | — | Open |
| Oct 22, 2026 | 144 Howland Ave | Building Permit Related(PS) | Plumbing - Proposed one storey rear addition and interior alterations to existing dwelling | — | Open |
| Oct 22, 2026 | 15 Wyndham St | Accessory Building(s) | Proposal for a new accessory structure. | $100K | Open |
| Oct 22, 2026 | 144 Howland Ave | Multiple Projects | Proposed one storey rear addition and interior alterations to existing dwelling | $400K | Open |
| Oct 22, 2026 | 15 Wyndham St | Building Permit Related(MS) | HVAC - Proposal for a new accessory structure. | — | Open |
| Oct 21, 2026 | 165 Robina Ave | Multiple Projects | proposed a duplex with rear, front , second and third storey addition with interior alteration and rear deck | $400K | Open |
The 40 most recent of 6,736 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.