thepermitmap

Street · 6086 of 8,567 by permit count

Building permits on Louisa St

The City of Toronto has 15 building permits on record for Louisa St, going back to 1996. Those permits created 4 homes and removed 0, a net change of +4. Declared construction value totals $408K. The most recent permit was issued Feb 18, 2026 at 21 Louisa St.

Permits on record
151996–2026
Declared construction value
$408Kas filed, not adjusted
Homes created
4dwelling units
Homes removed
0net +4

Permits issued per year

20002026 (part year)

Most common work

  • Addition(s)2 · 13%
  • Building Permit Related(PS)2 · 13%
  • Building Permit Related(MS)2 · 13%
  • Alteration to Existing Building2 · 13%
  • Back Water Valve (Sewer only)2 · 13%
  • Other(SR)1 · 7%
  • Unspecified1 · 7%
  • Other(BA)1 · 7%
  • Install/Alter HVAC - only1 · 7%
  • Unknown1 · 7%

Structures worked on

  • Apartment Building7 · 47%
  • SFD - Detached7 · 47%
  • Unspecified1 · 7%

Most recent permits

Issued Work What was filed Value Status
Feb 18, 2026 Building Permit Related(MS) HVAC - ADDITION OF THIRD STOREY WITH 4 UNITS TO EXISTING MULTI UNIT RESIDENTIAL APARTMENT BUILDING Open
Feb 18, 2026 Building Permit Related(PS) Plumbing - ADDITION OF THIRD STOREY WITH 4 UNITS TO EXISTING MULTI UNIT RESIDENTIAL APARTMENT BUILDING Open
Feb 18, 2026 Addition(s) ADDITION OF THIRD STOREY WITH 4 UNITS TO EXISTING MULTI UNIT RESIDENTIAL APARTMENT BUILDING $400K Open
May 14, 2025 Unspecified Deferred Fees from folder 24 202350 (RSN-5499823) ZoningProcess RSN 75860656 Open
Jan 13, 2020 Building Permit Related(MS) Revision #01 - Changes interior ductwork layout on all floors.HVAC - Proposal for a 3rd floor addition (167.5 sq.m) with 2 residential units to existing 2-storey multi-family residential building. Closed
Oct 4, 2019 Addition(s) Revision to third floor wall assembliesProposal for a 3rd floor addition (167.5 sq.m) with 2 residential units to existing 2-storey multi-family residential building. Closed
Jul 25, 2018 Building Permit Related(PS) Plumbing - Proposal for a 3rd floor addition (167.5 sq.m) with 2 residential units to existing 2-storey multi-family residential building. Closed
Jan 29, 2018 Back Water Valve (Sewer only) Installation of back water valve Closed
Feb 4, 2016 Other(SR) Proposal for a new deck to be constructed on the 3rd floor roof. $5K Open
Nov 12, 2014 Back Water Valve (Sewer only) Back Water Valve (Sewer only) installation. Closed
Feb 15, 2000 Alteration to Existing Building Interior & exterior alterations to single family dwelling. Plumbing permit included. $3K Closed
Mar 9, 1999 Unknown DET. GARAGE TO SINGLE FAMILY DWELLING Closed
Jan 22, 1999 Install/Alter HVAC - only HVAC FOR NEW SINGLE FAMILY DWELLING Closed
Jul 6, 1998 Alteration to Existing Building INT./EXT. ALTS TO SINGLE FAMILY DWELLING Closed
Dec 2, 1996 Other(BA) FIRE DOORS RETROFIT TO APARTMENT BLDG. Closed

The 15 most recent of 15 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
15
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-177