thepermitmap

Street · 2839 of 8,567 by permit count

Building permits on Keystone Ave

The City of Toronto has 62 building permits on record for Keystone Ave, going back to 1997. Those permits created 2 homes and removed 0, a net change of +2. Declared construction value totals $1.4M. The most recent permit was issued Mar 25, 2026 at 40 Keystone Ave.

Permits on record
621997–2026
Declared construction value
$1.4Mas filed, not adjusted
Homes created
2dwelling units
Homes removed
0net +2

Permits issued per year

20022026 (part year)

Most common work

  • Building Permit Related(PS)16 · 26%
  • Multiple Projects7 · 11%
  • Back Water Valve (Sewer only)7 · 11%
  • Interior Alterations5 · 8%
  • Building Permit Related(MS)4 · 6%
  • Building Permit Related (DR)4 · 6%
  • Addition(s)3 · 5%
  • Accessory Building(s)3 · 5%
  • Garage2 · 3%
  • Unknown2 · 3%
  • Underpinning1 · 2%
  • Finishing Basements1 · 2%

Structures worked on

  • SFD - Detached37 · 60%
  • SFD - Semi-Detached19 · 31%
  • 2 Unit - Detached4 · 6%
  • Unknown2 · 3%

Most recent permits

Issued Work What was filed Value Status
Mar 25, 2026 Interior Alterations Proposal to remove existing wood beam and post and replace with new beam. Fill in existing kitchen window and add new window over relocated sink. $15K Closed
Mar 25, 2026 Building Permit Related(PS) Plumbing - Proposal to remove existing wood beam and post and replace with new beam. Fill in existing kitchen window and add new window over relocated sink. Closed
Dec 30, 2024 Building Permit Related(PS) Plumbing - Proposal for relocation and resizing of door and window at the back of the existing sfd, to construct a new rear deck and to provide interior alterations in the first floor kitchen area Closed
Dec 27, 2024 Multiple Projects Proposal for relocation and resizing of door and window at the back of the existing sfd, to construct a new rear deck and to provide interior alterations in the first floor kitchen area $15K Closed
Dec 3, 2024 Multiple Projects Proposal for relocation and resizing of door and window at the back of the existing sfd, to construct a new rear deck and to provide interior alterations in the first floor kitchen area $15K Closed
Dec 3, 2024 Building Permit Related(PS) Plumbing - Proposal for relocation and resizing of door and window at the back of the existing sfd, to construct a new rear deck and to provide interior alterations in the first floor kitchen area Closed
Oct 10, 2024 Deck Rear deck $20K Closed
Jul 15, 2024 Party Wall Admin Permits Party wall admin permit for rear semi-detached garage at 49 Keystone Ave - 24-169787 Open
Jun 28, 2024 Garage Retrofit existing rear semi-detached garage, (see admin. permit also)per # 24 122079 ZAP 00 ZR- admin. permit for # 57 Keystone required $75K Open
Apr 2, 2024 Accessory Building(s) Demolish the existing detached garage at rear and construct a new accessory structure. $40K Closed
Dec 21, 2023 Accessory Building(s) Remove the existing detached garage and replace with an accessory structure. $40K Closed
Aug 23, 2023 Accessory Building(s) Proposal to demolish the existing garage and construct an accessory structure in the rear yard of an existing SFD-semi dwelling. $40K Closed
Dec 12, 2022 Building Permit Related (DR) Drain - Underpinning and basement renovation Closed
Dec 12, 2022 Building Permit Related(PS) Plumbing - Underpinning and basement renovation Closed
Dec 7, 2022 Other(SR) Underpinning and basement renovation $85K Closed
May 5, 2022 Back Water Valve (Sewer only) Full port main line back water vlave. Closed
Apr 25, 2022 Building Permit Related (DR) Drain - Proposed basement interior alterations. - New shower added to basement washroom Closed
Apr 25, 2022 Interior Alterations Proposed basement interior alterations. - New shower added to basement washroom $35K Closed
Apr 25, 2022 Building Permit Related(PS) Plumbing - Proposed basement interior alterations. - New shower added to basement washroom Closed
Mar 4, 2022 Building Permit Related(MS) HVAC - Proposal for interior alterations and underpinning. Open
Feb 11, 2022 Building Permit Related(PS) Plumbing - Proposal for interior alterations and underpinning. Open
Feb 11, 2022 Building Permit Related (DR) Drain - Proposal for interior alterations and underpinning. Open
Feb 11, 2022 Multiple Projects Proposal for interior alterations and underpinning. $150K Open
Oct 15, 2021 Back Water Valve (Sewer only) Installation of backwater valve Open
Oct 7, 2020 Back Water Valve (Sewer only) Proposal to install a back water valve Closed
Oct 6, 2020 New Laneway / Rear Yard Suite Proposal to construct second storey addition (47.1m2) over existing garage and interior alterations (65.4m2) to create new laneway suite. No alterations proposed for main residence (single family detached dwelling). See related ZC file 19-206417 and C of A file A1086/19TEY. $450K Closed
Oct 6, 2020 Building Permit Related(MS) HVAC - Proposal to construct second storey addition (47.1m2) over existing garage and interior alterations (65.4m2) to create new laneway suite. No alterations proposed for main residence (single family detached dwelling). See related ZC file 19-206417 and C of A file A1086/19TEY. Closed
Oct 6, 2020 Building Permit Related(PS) Plumbing - Proposal to construct second storey addition (47.1m2) over existing garage and interior alterations (65.4m2) to create new laneway suite. No alterations proposed for main residence (single family detached dwelling). See related ZC file 19-206417 and C of A file A1086/19TEY. Open
Oct 6, 2020 Building Permit Related (DR) Drain - Proposal to construct second storey addition (47.1m2) over existing garage and interior alterations (65.4m2) to create new laneway suite. No alterations proposed for main residence (single family detached dwelling). See related ZC file 19-206417 and C of A file A1086/19TEY. Open
Jan 29, 2020 Back Water Valve (Sewer only) Proposal to install a back water valve Closed
Dec 23, 2019 Garage Proposal to construct a new rear garage $20K Closed
Nov 6, 2018 Building Permit Related(PS) Plumbing - Proposal to construct a new basement layout and interior wall removal Closed
Oct 3, 2018 Multiple Projects Proposal to construct a new basement layout and interior wall removal Closed
Aug 7, 2018 Back Water Valve (Sewer only) Proposed inside Back Water Valve (Sewer only) Closed
May 28, 2018 Building Permit Related(MS) HVAC - Proposal to construct a new basement layout, interior wall removal, and relocate front door Open
Mar 7, 2018 Back Water Valve (Sewer only) Back Water Valve (Sewer only) Closed
Apr 5, 2016 Finishing Basements Proposal for basement renovations to existing dwelling complete with new basement slab. $50K Open
Apr 5, 2016 Building Permit Related(PS) Plumbing - Proposed basement renovations to existing dwelling. Open
Mar 31, 2016 Multiple Projects Revision - to construct larger rear deck. Closed
Jan 21, 2016 Back Water Valve (Sewer only) Back Water Valve (Sewer only) installation. Closed

The 40 most recent of 62 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
62
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-911