thepermitmap

Street · 1077 of 8,565 by permit count

Building permits on Hay Ave

The City of Toronto has 173 building permits on record for Hay Ave, going back to 1995. Those permits created 23 homes and removed 13, a net change of +10. Declared construction value totals $9.8M. The most recent permit was issued Apr 16, 2026 at 166 Hay Ave.

Permits on record
1731995–2026
Declared construction value
$9.8Mas filed, not adjusted
Homes created
23dwelling units
Homes removed
13net +10

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)34 · 20%
  • Building Permit Related(MS)28 · 16%
  • New Building25 · 14%
  • Demolition13 · 8%
  • Multiple Projects11 · 6%
  • Back Water Valve (Sewer only)11 · 6%
  • Building Permit Related (DR)8 · 5%
  • Addition(s)8 · 5%
  • Unknown6 · 3%
  • Interior Alterations4 · 2%
  • Garage3 · 2%
  • Other(SR)3 · 2%

Structures worked on

  • SFD - Detached147 · 85%
  • SFD - Semi-Detached8 · 5%
  • 3+ Unit - Detached4 · 2%
  • Laneway / Rear Yard Suite4 · 2%
  • Triplex4 · 2%
  • 2 Unit - Detached3 · 2%
  • Apartment Building1 · 1%
  • Duplex1 · 1%
  • Unspecified1 · 1%

Most recent permits

Issued Work What was filed Value Status
Apr 16, 2026 Building Permit Related (DR) Drain - Proposal for garden suite at rear of property.Main dwelling will be a fourplex (25 245185 BLD 00 NH). Open
Apr 16, 2026 Building Permit Related(PS) Plumbing - Proposal for garden suite at rear of property.Main dwelling will be a fourplex (25 245185 BLD 00 NH). Open
Apr 1, 2026 New Laneway / Rear Yard Suite Proposal for garden suite at rear of property.Main dwelling will be a fourplex (25 245185 BLD 00 NH). $400K Open
Apr 1, 2026 Building Permit Related(MS) HVAC - Proposal for garden suite at rear of property.Main dwelling will be a fourplex (25 245185 BLD 00 NH). Open
Feb 5, 2026 Demolition Proposed demolition of existing SFD detached dwelling to construct new 4 unit detached dwelling. Demolition
Dec 24, 2025 Building Permit Related (DR) Drain - Proposed new construction of 4 unit detached dwelling (multiplex) Open
Dec 24, 2025 Building Permit Related(MS) HVAC - Proposed new construction of 4 unit detached dwelling (multiplex) Open
Dec 24, 2025 New Building Proposal to demolish existing single family dwelling and construct a new three storey four unit Houseplex, with 2 front main floor entry porches, 1 Rear main floor entry porch + Front and Rear 3rd floor balconies.Rear yard garden suite (25 245185 BLD 00 NH). $900K New build
Dec 8, 2025 Back Water Valve (Sewer only) Proposal to install a backwater valve. Closed
Nov 5, 2025 Building Permit Related(PS) Plumbing - Proposed new construction of 4 unit detached dwelling (multiplex) Open
Sep 16, 2025 Building Permit Related (DR) Drain - PART 2 - East LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115517 ZZC, and 21 243645 MV. Closed
Sep 16, 2025 Building Permit Related(PS) Plumbing - PART 2 - East LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115517 ZZC, and 21 243645 MV. Closed
Sep 16, 2025 Building Permit Related(MS) HVAC - PART 2 - East LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115517 ZZC, and 21 243645 MV. Closed
Sep 16, 2025 New Building PART 2 - East LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115517 ZZC, and 21 243645 MV. $1.0M New build
Mar 27, 2025 Demolition Proposal to demolish the existing 2 storey SFD-detached dwelling. Demolition
Mar 19, 2025 Multiple Projects Proposal for front one storey addition, rear 3 storey addition, interior alteration, one porch, one deck, one basement walkout. $850K Open
Mar 19, 2025 Building Permit Related(PS) Plumbing - Proposal for front one storey addition, rear 3 storey addition, interior alteration, one porch, one deck, one basement walkout. Open
Mar 19, 2025 Building Permit Related(MS) HVAC - Proposal for front one storey addition, rear 3 storey addition, interior alteration, one porch, one deck, one basement walkout. Open
Mar 6, 2025 Building Permit Related (DR) Drain - PART 1 - West LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115507 ZZC, and 21 243646 MV. Open
Mar 6, 2025 Building Permit Related(PS) Plumbing - PART 1 - West LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115507 ZZC, and 21 243646 MV. Open
Mar 6, 2025 Building Permit Related(MS) HVAC - PART 1 - West LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115507 ZZC, and 21 243646 MV. Open
Mar 6, 2025 New Building PART 1 - West LotProposal to construct a new 2 storey SFD-detached dwelling with an integral garage and a finished basement. See also 24 211079 DEM, 21 115507 ZZC, and 21 243646 MV. $920K New build
Sep 9, 2024 Fire Alarm Proposal to replace the fire alarm panel in an existing apartment building with 6 units. $4K Closed
May 31, 2024 Back Water Valve (Sewer only) NEW BACKWATER VALVE INSTALLATION Closed
Mar 11, 2024 Multiple Projects Proposal for adding 16.98 sq.m (rear second floor addition) on top of porch and 38.28 sq.m interior renovation and hvac redesigning. $30K Closed
Mar 11, 2024 Building Permit Related(PS) Plumbing - Proposal for adding 16.98 sq.m on top of porch and 38.28 sq.m interior renovation and hvac redesigning. Closed
Mar 11, 2024 Building Permit Related(MS) HVAC - Proposal for adding 16.98 sq.m on top of porch and 38.28 sq.m interior renovation and hvac redesigning. Closed
Dec 1, 2023 New Building Revision - 01 - entire dwelling raised slightly more than one footProposal to construct a new 1 storey single family dwelling New build
Aug 28, 2023 Back Water Valve (Sewer only) BACK WATER VALVE AND SUMP PUMP Closed
Mar 20, 2023 Interior Alterations he washroom will consist of a standup shower, a toilet, and a sink. The walls of the washroom will be build with waterproof dry walls, parts of it will be layer with tiles. The stand up shower will be shielded with a glass material on one of the sides, fixed to the dry wall with glue and a metal cla $8K Closed
Mar 20, 2023 Building Permit Related(PS) Plumbing - he washroom will consist of a standup shower, a toilet, and a sink. The walls of the washroom will be build with waterproof dry walls, parts of it will be layer with tiles. The stand up shower will be shielded with a glass material on one of the sides, fixed to the dry wall with glue and Closed
Feb 14, 2023 Building Permit Related (DR) Drain - Proposal to construct a new 2 storey single family dwelling Closed
Feb 14, 2023 Demolition DEMOLITION OF EXISTING HOUSE & BUILDING NEW 1-STOREY SINGLE FAMILY DWELLING Demolition
Feb 14, 2023 Building Permit Related(PS) Plumbing - Proposal to construct a new 2 storey single family dwelling Open
Feb 14, 2023 Building Permit Related(MS) HVAC - Proposal to construct a new 2 storey single family dwelling Open
Mar 28, 2022 Interior Alterations Proposal for interior alterations to the basement. $25K Closed
Aug 5, 2021 Multiple Projects Proposed one-storey rear addition and rear deck to an existing bungalow. $200K Closed
Aug 5, 2021 Building Permit Related(PS) Plumbing - Proposed one storey rear addition and deck Closed
Aug 5, 2021 Building Permit Related(MS) HVAC - Proposed one storey rear addition and deck Closed
Jul 8, 2021 Building Permit Related(MS) HVAC - Two storey dwelling with attached garage, rear deck and basement walkout Closed

The 40 most recent of 173 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
173
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-571