thepermitmap

Street · 609 of 8,565 by permit count

Building permits on Seaton St

The City of Toronto has 282 building permits on record for Seaton St, going back to 1989. Those permits created 16 homes and removed 1, a net change of +15. Declared construction value totals $3.4M. The most recent permit was applied for Aug 28, 2026 at 272 Seaton St.

Permits on record
2821989–2026
Declared construction value
$3.4Mas filed, not adjusted
Homes created
16dwelling units
Homes removed
1net +15

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)52 · 18%
  • Building Permit Related(MS)32 · 11%
  • Multiple Projects29 · 10%
  • Unknown26 · 9%
  • Interior Alterations23 · 8%
  • Party Wall Admin Permits20 · 7%
  • Building Permit Related (DR)17 · 6%
  • Other(SR)8 · 3%
  • Garage8 · 3%
  • Addition(s)7 · 2%
  • Back Water Valve (Sewer only)7 · 2%
  • Underpinning6 · 2%

Structures worked on

  • SFD - Townhouse67 · 24%
  • SFD - Semi-Detached56 · 20%
  • SFD - Detached31 · 11%
  • Converted House27 · 10%
  • Unknown26 · 9%
  • 2 Unit - Townhouse17 · 6%
  • 2 Unit - Detached13 · 5%
  • Other9 · 3%
  • Laneway / Rear Yard Suite7 · 2%
  • Apartment Building7 · 2%
  • 3+ Unit - Townhouse4 · 1%
  • 2 Unit - Semi-detached4 · 1%

Most recent permits

Issued Work What was filed Value Status
Aug 28, 2026 Fire Damage REV 01: Revisions as per bubbled changes (Site conditions and to satisfy the inspection deficiency report)Fire Damage repairs to SFD - Townhouse, including HVAC ( refer to the enclosed drawings). Open
Mar 2, 2026 Building Permit Related(PS) Plumbing - Interior alterations within existing single family dwelling. exterior alteration of existing roof line. no addition is proposed any longer. - Rooming House Open
Oct 15, 2025 Building Permit Related(MS) Rev 01:Heating system change from heat pump to forced air gas.HVAC - Proposed basement alterations and interior alterations. Open
Sep 2, 2025 Other(SR) Proposal to install solar panels on the rooftop of an existing SFD-townhouse. $25K Closed
May 13, 2025 Building Permit Related(MS) HVAC - Proposal to construct one-storey garden suite with basement, in rear yard of existing single family dwelling. Open
May 13, 2025 New Laneway / Rear Yard Suite Proposal to construct two-storey garden suite with basement, in rear yard of existing single family dwelling. $50K Open
May 13, 2025 Building Permit Related(PS) Plumbing - Proposal to construct one-storey garden suite with basement, in rear yard of existing single family dwelling. Open
Apr 28, 2025 Interior Alterations REV 01: Fireproof seperation walls Proposal for replace existing roof due to fire damage Closed
Mar 19, 2025 Building Permit Related(MS) HVAC - Interior alterations within existing single family dwelling. exterior alteration of existing roof line. no addition is proposed any longer.- Rooming House Open
Jan 8, 2025 Addition(s) Interior alterations within existing single family dwelling. exterior alteration of existing roof line. no addition is proposed any longer. - Rooming House Open
Oct 2, 2024 Party Wall Admin Permits Administrative Party wall permit - Proposal to reconstruct party wall between 268 & 270 Seaton street damaged due to fire. $5K Closed
Jul 23, 2024 Deck Proposing a Wooden deck egress from the 2nd storey to outside $20K Closed
Jun 13, 2024 Party Wall Admin Permits Party wall administrative permit for work relating to 270 Seaton St. $1K Closed
Jun 13, 2024 Building Permit Related(MS) HVAC - Proposal for re-roofing and interior alterations due to fire Closed
Jun 13, 2024 Party Wall Admin Permits Party wall administrative permit for work relating to 270 Seaton St. $1K Open
May 27, 2024 Building Permit Related(MS) REV 1 HVAC: Rev.01: All the same except main floor now is also heated by radiant floor over pour.Rev.00: New added 3rd floor to existing house; Existing house to be renovated; Radiant floor over pour& new high efficiency gas boiler heating whole house (except main floor to be heated by new rads);Bas Open
May 21, 2024 Back Water Valve (Sewer only) Full port main line back water valve Open
Mar 21, 2024 Multiple Projects Revision 04: replacing first floor joist and interior alterations at the basement and first floor Revision 03. basement walk-out, underpinning and interior alterations to basement(Revision to existing Building Permit No: 17-186601 BLD 00 SR as bubbled) BASEMENT: underpinning foundation walls, interi Open
Mar 15, 2024 Building Permit Related(PS) Revision 02: replacing first floor joist and interior alterations at the basement and first floor(Revision to existing Building Permit No: 17-186601 BLD 00 SR as bubbled) BASEMENT: underpinning foundation walls, interior alterations, added front light well, added steel columns and steel beams. FIRST Open
Mar 13, 2024 Building Permit Related(MS) REV 01 - Minor revision to the 3rd floor layout. New Heat pump to serve 3rd level. Eliminate Electric Floor WarmingHVAC - Proposal for a 2 unit converted house by ways of interior alterations (26.39m2) to ground, second and third floor, basement finishing (37.17m2) a new basement walkout, front deck Closed
Mar 7, 2024 Multiple Projects REVISION 02 REVISION TO PERMIT NUMBER: 22 203132 BLD 01 FOR LAYOUT CHANGE Rev01- Revision to exist permit 22 203132 bld 00 sr, revising underpinnig stages & removal of exist masory columns replace with built-up posts.Proposed underpinning of existing basement and interior alterations with required v Closed
Oct 20, 2023 Building Permit Related (DR) Drain - Proposed underpinning of existing basement and interior alterations with required vertical and horizontal fire separations to create a secondary suite in the basement Closed
Oct 20, 2023 Building Permit Related(PS) Plumbing - Proposed underpinning of existing basement and interior alterations with required vertical and horizontal fire separations to create a secondary suite in the basement Closed
Aug 21, 2023 Building Permit Related(PS) Plumbing - Fire Damage repairs to SFD - Townhouse, including HVAC ( refer to the enclosed drawings). Open
Aug 16, 2023 Party Wall Admin Permits Party wall admin permit related to permit# 23 166361 BLD 00 SR for address 272 Seaton St $1K Closed
Aug 16, 2023 Building Permit Related (DR) Drain - Fire Damage repairs to SFD - Townhouse, including HVAC ( refer to the enclosed drawings). Open
Aug 16, 2023 Building Permit Related(MS) HVAC - Fire Damage repairs to SFD - Townhouse, including HVAC ( refer to the enclosed drawings). Open
Jul 26, 2023 Building Permit Related (DR) Revision 01. basement walk-out, underpinning and interior alterations to basementDrain - Proposed basement alterations and interior alterations. Open
Jul 12, 2023 Interior Alterations Second floor window in side yard $15K Closed
Jul 6, 2023 Multiple Projects Revision 01: Proposed revision to address existing site conditions.Proposal for third floor addition, second suite in basement, covered front porch, rear deck and balcony in the existing single family townhouse. Open
May 10, 2023 Walk-Out Stair Proposed a new front basement walkout and an entrance. $12K Open
Apr 27, 2023 Building Permit Related(MS) HVAC - UNDERPINNING & RENOVATION OF EXIST 2 STOREY SFD Closed
Mar 28, 2023 Building Permit Related(PS) Plumbing - Fire damage repair to the enitre dwelling. Revision to 22-141705 bld - layout changes to include HVAC. Open
Feb 24, 2023 Building Permit Related (DR) Drain - UNDERPINNING & RENOVATION OF EXIST 2 STOREY SFD Closed
Feb 24, 2023 Building Permit Related(PS) Plumbing - UNDERPINNING & RENOVATION OF EXIST 2 STOREY SFD Closed
Feb 15, 2023 New Laneway / Rear Yard Suite REVISION - add window and a skylightTo construct a rear two storey laneway suite Closed
Feb 15, 2023 Interior Alterations UNDERPINNING & RENOVATION OF EXIST 2 STOREY SFD $40K Closed
Jan 24, 2023 Fire Damage Fire Damage - The temporary shoring wall and temporary wood rafters must be installed to support the damaged roof (refer to the enclosed drawings). Closed
Jan 18, 2023 Building Permit Related(PS) Plumbing - Proposal for third floor addition, second suite in basement, covered front porch, rear deck and balcony in the existing single family townhouse. Open
Jan 17, 2023 Building Permit Related(MS) HVAC - Fire damage repair to the enitre dwelling. Closed

The 40 most recent of 282 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
282
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-082