Street · 1136 of 8,516 by permit count
Building permits on William St, York
The City of Toronto has 167 building permits on record for William St in York, going back to 2001. Those permits created 19 homes and removed 2, a net change of +17. Declared construction value totals $4.6M. Half of the 157 permits issued here came through within 22 days of the application. The most recent permit was issued Oct 27, 2026 at 210 William St.
- Permits on record
- 1672001–2026
- Declared construction value
- $4.6Mas filed, not adjusted
- Homes created
- 19dwelling units
- Homes removed
- 2net +17
- Typical wait
- 22 days5 days faster than the city
Permits issued per year
20012026 (part year)
Zoning
- Most common zone
- RD100.0% of permits · by-law 10.20
- In detached-house zones
- 100.0%62.0% above the city’s 38.0%
- Permits with a zone
- 164of 167 on record
The zoning categories the permits on William St 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
Other streets in M9N
Queens Dr288 permits
West Oak Cres265 permits
King St233 permits
Meadow Oak Pl182 permits
Wendell Ave135 permits
Portage Ave104 permits
John Best Ave83 permits
Macdonald Ave74 permits
Looking for one address on William St? The address lookup shows every permit filed against a single house or building number.
Most recent permits
| Issued | Work | What was filed | Value | Status |
|---|---|---|---|---|
| Oct 27, 2026 | Building Permit Related(PS) | Plumbing - Propose to legalize one storey rear addition - two unit dwelling | — | Open |
| Oct 27, 2026 | Addition(s) | Propose to legalize one storey rear addition, front porch stairs, creation of two unit dwelling, removal of enclosure around front porch. | $60K | Open |
| Oct 8, 2026 | Building Permit Related(MS) | HVAC - To demolish existing dwelling and construct a new two storey dwelling | — | Open |
| Oct 8, 2026 | Interior Alterations | REVISION-01Proposal for interior alterations to the basement and ground floors and add a 3rd unit on the 2nd floor with an egress balcony. | — | Open |
| Aug 18, 2026 | Back Water Valve (Sewer only) | Back water valve installation outside | — | Closed |
| Aug 12, 2026 | Interior Alterations | Propose to construct an accessory dwelling unit at basement | $60K | Open |
| Aug 12, 2026 | Building Permit Related(PS) | Plumbing - Propose to construct an accessory dwelling unit at basement | — | Open |
| Jun 10, 2026 | Multiple Projects | REVISION - Rear conc deck, over rear walkoutTo construct a second storey addition, interior alterations, rear deck for two unit dwelling. Convert single family detached house into a Duplex | — | Open |
| May 29, 2026 | Addition(s) | Proposal to legalize an existing rear 1 storey addition | $1K | Closed |
| May 24, 2026 | Deck | Replace old deck with a new deck same design and dimensions. | $15K | Closed |
| Jan 22, 2026 | Building Permit Related(PS) | Plumbing - Convert the existing dwelling into a fourplex, 2nd and 3rd floor addition, interior alterations and rear deck | — | Open |
| Dec 3, 2025 | Building Permit Related(MS) | HVAC - Convert the existing dwelling into a fourplex, 2nd and 3rd floor addition, interior alterations and rear deck | — | Open |
| Dec 2, 2025 | Multiple Projects | Convert the existing dwelling into a fourplex, 2nd and 3rd floor addition, interior alterations and rear deck | $800K | Open |
| Oct 14, 2025 | Multiple Projects | Revision: Change to basement layout | — | Open |
| Oct 10, 2025 | Building Permit Related(MS) | HVAC - Proposal to demolish existing 1 storey SFD, construct new 3 storey Duplex | — | Open |
| Sep 19, 2025 | Demolition | Proposal to demolish existing 1 storey SFD, construct new 3 storey Duplex | — | Demolition |
| Sep 19, 2025 | Building Permit Related(PS) | Plumbing - Proposal to demolish existing 1 storey SFD, construct new 3 storey Duplex | — | Open |
| Sep 19, 2025 | Building Permit Related (DR) | Drain - Proposal to demolish existing 1 storey SFD, construct new 3 storey Duplex | — | Open |
| Sep 19, 2025 | New Building | Proposal to demolish existing 1 storey SFD, construct new 3 storey Duplex | $900K | New build |
| May 12, 2025 | Accessory Building(s) | Repair work related to the impact damages to the accessory building. | $10K | Open |
| Mar 24, 2025 | Back Water Valve (Sewer only) | back water valve | — | Closed |
| Feb 7, 2025 | Building Permit Related(MS) | HVAC - Proposal for basement interior alterations and second suite. | — | Open |
| Jan 3, 2025 | Building Permit Related (DR) | Drain - Proposal for basement interior alterations and second suite. | — | Open |
| Dec 30, 2024 | Building Permit Related(PS) | Plumbing - Proposal for basement interior alterations and second suite. | — | Open |
| Dec 17, 2024 | Back Water Valve (Sewer only) | Install BWV | — | Open |
| Nov 25, 2024 | Building Permit Related(MS) | Rev 01 - Furnace duct design for all three units.HVAC - Proposal for interior alterations to the basement and ground floors and add a 3rd unit on the 2nd floor with an egress balcony. | — | Open |
| Oct 24, 2024 | Demolition | To demolish existing dwelling and construct a new two storey dwelling | — | Demolition |
| Oct 24, 2024 | Building Permit Related (DR) | Drain - To demolish existing dwelling and construct a new two storey dwelling | — | Open |
| Oct 24, 2024 | Building Permit Related(PS) | Plumbing - To demolish existing dwelling and construct a new two storey dwelling | — | Open |
| Oct 24, 2024 | New Building | To demolish existing dwelling and construct a new two storey dwelling | $550K | New build |
| Sep 25, 2024 | Other(BA) | REV01: Proposed revision as per drawingsProposal to construct a detached carport | — | Open |
| Aug 28, 2024 | Building Permit Related(PS) | Plumbing - To construct a second storey addition, interior alterations, rear deck for two unit dwelling | — | Open |
| Aug 21, 2024 | Building Permit Related(MS) | Revision 01: revised hvac designHVAC - To construct an rear addition and second storey addition and secondary unit in the basement | — | Closed |
| Jul 25, 2024 | Garage | New superstructure for detached garage following a fire (foundation to remain) | $30K | Open |
| Jul 3, 2024 | Building Permit Related(PS) | Plumbing - Proposal for interior alterations to the basement and ground floors and add a 3rd unit on the 2nd floor with an egress balcony. | — | Open |
| Jun 27, 2024 | Building Permit Related(PS) | Rev 01 - Update powder room to 3 piece bathroom, adding a shower area on the lower floor, updated stair width & revised structural around stair landing.Plumbing - Proposed garden suite. | — | Open |
| Jun 27, 2024 | Building Permit Related(MS) | Rev 01 - Update powder room to 3 piece bathroom, adding a shower area on the lower floor, updated stair width & revised structural around stair landing.HVAC - Proposed garden suite. | — | Open |
| Jun 25, 2024 | New Laneway / Rear Yard Suite | Rev 01 - Update powder room to 3 piece bathroom, adding a shower area on the lower floor, updated stair width & revised structural around stair landing.Proposed garden suite. | — | Open |
| Jun 4, 2024 | Building Permit Related(PS) | Plumbing - Proposal for garden suite. | — | Open |
| Jun 4, 2024 | New Laneway / Rear Yard Suite | Proposal for garden suite. | $250K | Open |
The 40 most recent of 167 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.
Every address on William St with a permit on record · 56
- 1 William St1 permit · to 2020
- 3 William St1 permit · to 2017
- 5 William St3 permits · to 2009
- 9 William St5 permits · to 2025
- 11 William St2 permits · to 2009
- 14 William St3 permits · to 2020
- 15 William St1 permit · to 2013
- 19 William St7 permits · to 2026
- 21 William St1 permit · to 2022
- 24 William St3 permits · to 2003
- 25 William St5 permits · to 2026
- 27 William St4 permits · to 2022
- 29 William St6 permits · to 2025
- 38 William St5 permits · to 2026
- 41 William St3 permits · to 2026
- 42 William St1 permit · to 2001
- 43 William St1 permit · to 2009
- 45 William St9 permits · to 2024
- 46 William St7 permits · to 2024
- 47 William St1 permit · to 2015
- 48 William St4 permits · to 2020
- 49 William St1 permit · to 2009
- 69 William St3 permits · to 2024
- 74 William St1 permit · to 2019
- 76 William St2 permits · to 2023
- 96 William St3 permits · to 2013
- 98 William St1 permit · to 2017
- 104 William St2 permits · to 2018
- 112 William St8 permits · to 2015
- 114 William St1 permit · to 2026
- 120 William St1 permit · to 2024
- 127 William St2 permits · to 2008
- 135 William St6 permits · to 2014
- 140 William St1 permit · to 2019
- 149 William St3 permits · to 2020
- 151 William St5 permits · to 2017
- 154 William St1 permit · to 2025
- 156 William St1 permit · to 2026
- 157 William St1 permit · to 2014
- 159 William St5 permits · to 2011
- 160 William St1 permit · to 2006
- 162 William St2 permits · to 2026
- 165 William St1 permit · to 2002
- 166 William St1 permit · to 2001
- 169 William St9 permits · to 2017
- 175 William St1 permit · to 2025
- 192 William St1 permit · to 2023
- 196 William St1 permit · to 2002
- 205 William St4 permits · to 2019
- 207 William St9 permits · to 2011
- 210 William St3 permits · to 2026
- 212 William St1 permit · to 2018
- 216 William St4 permits · to 2024
- 217 William St1 permit · to 2001
- 218 William St4 permits · to 2021
- 222 William St3 permits · to 2017