thepermitmap

Street · 135 of 8,565 by permit count

Building permits on William Duncan Rd

The City of Toronto has 900 building permits on record for William Duncan Rd, going back to 2017. Those permits created 154 homes and removed 0, a net change of +154. Declared construction value totals $28.6M. The most recent permit was issued Sep 9, 2026 at 18 William Duncan Rd.

Permits on record
9002017–2026
Declared construction value
$28.6Mas filed, not adjusted
Homes created
154dwelling units
Homes removed
0net +154

Permits issued per year

20172026 (part year)

Most common work

  • Building Permit Related(PS)252 · 28%
  • Building Permit Related(MS)249 · 28%
  • New Building225 · 25%
  • Building Permit Related (DR)126 · 14%
  • New Building - Lead19 · 2%
  • Fire Damage13 · 1%
  • Interior Alterations8 · 1%
  • Party Wall Admin Permits3 · 0%
  • Walk-Out Stair2 · 0%
  • Multiple Projects2 · 0%
  • Addition(s)1 · 0%

Structures worked on

  • Stacked Townhouses453 · 50%
  • SFD - Townhouse437 · 49%
  • 2 Unit - Townhouse8 · 1%
  • Other1 · 0%
  • 3+ Unit - Detached1 · 0%

Most recent permits

Issued Work What was filed Value Status
Sep 9, 2026 Interior Alterations Propose to legalize an as-built entrance door $4K Open
Nov 27, 2025 Addition(s) Proposal to build starage space mezzanine in garage. This would include stairs for access and safety guardrails $10K Closed
Apr 9, 2025 Fire Damage Proposal for fire damage restoration. Closed
Jan 16, 2025 Interior Alterations Proposed interior alterations to convert existing basement into second-unit dwelling, new side door entrance, and enlarge window in basement. $55K Closed
Jan 16, 2025 Building Permit Related(PS) Plumbing - Proposed interior alterations to convert existing basement into second-unit dwelling, new side door entrance, and enlarge window in basement. Closed
Dec 23, 2024 Fire Damage Proposed repair and restoration to the interior of a condo unit that was damaged by a fire. Closed
Dec 17, 2024 Multiple Projects To construct, on side door entrance, enlarge window in basement, second dwelling unit $55K Closed
Dec 17, 2024 Building Permit Related(PS) Plumbing - To construct, on side door entrance, enlarge window in basement, second dwelling unit Closed
Dec 16, 2024 Fire Damage The proposed work involves restoring the unit to its pre-fire state. This includes rebuilding fire-rated drywall partitions to establish proper fire separation, installing new insulation for thermal efficiency, and replacing the flooring. Closed
Dec 16, 2024 Building Permit Related(MS) HVAC - Proposal for Structural fire damage restoration Open
Dec 13, 2024 Fire Damage Proposed repair due to fire originating from upper unit Open
Dec 11, 2024 Interior Alterations Proposed repair of water damages caused by fire in adjacent unit and replacement of interior finishes. $10K Open
Nov 22, 2024 Building Permit Related(PS) Plumbing - Proposal for Fire Damage Repairs - Localized interior finishes were damaged due to resulting water damage from the fire loss occurrence. The damaged interior finishes must be removed and replaced to complete a comprehensive assessment of any underlying damage, adequately remediate smoke m Closed
Nov 22, 2024 Building Permit Related(MS) HVAC - Proposal for Fire Damage Repairs - Localized interior finishes were damaged due to resulting water damage from the fire loss occurrence. The damaged interior finishes must be removed and replaced to complete a comprehensive assessment of any underlying damage, adequately remediate smoke migra Closed
Nov 19, 2024 Interior Alterations Proposed restoration of existing party wall $5K Closed
Nov 19, 2024 Party Wall Admin Permits PROPOSED PARTY WALL ADMIN PERMIT - SEE 24 237505 BLD 00 SR $1K Open
Nov 15, 2024 Multiple Projects To construct, on side door entrance, enlarge window in basement, second dwelling unit $55K Closed
Nov 15, 2024 Building Permit Related(PS) Plumbing - To construct, on side door entrance, enlarge window in basement, second dwelling unit Closed
Oct 4, 2024 Interior Alterations Proposed construction of second unit dwelling in basement, one(1) enlarged window to egress window in basement and above grade side door $55K Closed
Oct 4, 2024 Building Permit Related(PS) Plumbing - Proposed construction of second unit dwelling in basement, one(1) enlarged window to egress window in basement and above grade side door Closed
Sep 18, 2024 Interior Alterations Structural Fire Damage Resotration $10K Closed
Sep 13, 2024 Fire Damage Proposal for Fire Damage Repairs - Localized interior finishes were damaged due to resulting water damage from the fire loss occurrence. The damaged interior finishes must be removed and replaced to complete a comprehensive assessment of any underlying damage, adequately remediate smoke migration, a Closed
Sep 10, 2024 Interior Alterations Proposal for interior alteriors - gutting of the property due to flooding from fire in a unit above, replacing everything as it originally was. No changes to layout or structure $80K Closed
Sep 6, 2024 Fire Damage Replacing drywall, vapour barrier, and insulation to repair water damage caused after fire to adjacent condo unit, the sole purpose is to restore interior finishes to previous condition Closed
Aug 14, 2024 Fire Damage Repair of internal unit finishes after fire event and reinstate damaged fire separations. Closed
Jul 10, 2024 Party Wall Admin Permits Proposal for a party wall admin permit for main permit at 171 William Duncan # 24 174668 BLD 00 SR Open
Jul 10, 2024 Party Wall Admin Permits Proposal for a party wall admin permit for main permit at 171 William Duncan # 24 174668 BLD 00 SR Open
Jul 9, 2024 Fire Damage Proposal to repair fire loss related damages to interior finishes and building components Closed
Jun 27, 2024 Fire Damage Proposed fire damage restoration and repairs in existing stacked townhouse. Closed
Jun 3, 2024 Fire Damage Structural Fire Damage Restoration Closed
Jan 24, 2024 Fire Damage Structural fire damage restoration.THIS PERTAINS TO INTERIOR WORK ONLY. Closed
Nov 23, 2023 Fire Damage Base building only - fire damage repair to stacked townhouse building. Scope includes building envelope, rooftop decks, any affected structural components of the building. The permits for restoration of the fire/water damaged fire separation and fire rated assemblies within the affected units will b Open
Nov 22, 2023 Fire Damage Proposal for Structural fire damage restoration ( this pertains to interior work only) Closed
Oct 31, 2022 Walk-Out Stair Proposal to construct a rear yard basement walkout. $5K Closed
Sep 20, 2022 Building Permit Related(PS) Plumbing - Proposed basement finishing Closed
Aug 26, 2022 Interior Alterations Proposed basement finishing $44K Closed
Sep 15, 2021 Walk-Out Stair Proposal for construct a second entry at rear of existing sfd-townhouse $15K Open
Aug 27, 2021 Building Permit Related (DR) Drain - Proposal for construct a second entry at rear of existing sfd-townhouse Open
Aug 19, 2020 Building Permit Related(MS) HVAC - Construct a 3 storey part 9 SFD-Townhouse with detached garage at rear of property MODEL NAME "TH1B-B1 (R) - LOT 13" Closed
Aug 19, 2020 Building Permit Related(MS) HVAC - Construct a 3 storey part 9 SFD-Townhouse with detached garage at rear of property MODEL NAME "TH1B-A1 - LOT 12" with detached garage at rear of property Closed

The 40 most recent of 900 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
900
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-570