thepermitmap

Type of work · 7 of 103 by permit count

Back Water Valve (Sewer only) permits in Toronto

The City of Toronto has 40,277 back water valve (sewer only) permits on record for Toronto, going back to 2013. Declared construction value totals $10.5M. The most recent permit was issued Sep 10, 2026 at 197 Woodycrest Ave.

Permits on record
40,2772013–2026
Declared construction value
$10.5Mas filed, not adjusted
Homes created
0dwelling units
Homes removed
0net +0

Permits issued per year

20132026 (part year)

Most common work

  • Back Water Valve (Sewer only)40,277 · 100%

Structures worked on

  • SFD - Detached33,302 · 83%
  • SFD - Semi-Detached5,732 · 14%
  • SFD - Townhouse751 · 2%
  • 2 Unit - Detached182 · 0%
  • 2 Unit - Semi-detached131 · 0%
  • Converted House43 · 0%
  • 2 Unit - Townhouse28 · 0%
  • Apartment Building16 · 0%
  • Duplex15 · 0%
  • 3+ Unit - Detached9 · 0%
  • Other7 · 0%
  • Triplex6 · 0%

Most recent permits

Issued Address Work What was filed Value Status
Sep 10, 2026 197 Woodycrest Ave Back Water Valve (Sewer only) To install a back water valve to existing dwelling Open
Sep 10, 2026 307 Warden Ave Back Water Valve (Sewer only) BACKWATER VALVE Open
Sep 10, 2026 238 Connaught Ave Back Water Valve (Sewer only) Back water valve on sewer drain Open
Sep 10, 2026 99 Taysham Cres Back Water Valve (Sewer only) Installation Back Water Valve Open
Sep 10, 2026 610 Woburn Ave Back Water Valve (Sewer only) Back water valve installation Open
Sep 10, 2026 22 Cleta Dr Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 10, 2026 95 Conference Blvd Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 10, 2026 173 Melrose St Back Water Valve (Sewer only) Installation of Main Drain Pipe Backwater Valve Open
Sep 10, 2026 129 Alfred Ave Back Water Valve (Sewer only) Proposed installation of a new fullport backwater valve on the main building drain of an existing residential dwelling Open
Sep 10, 2026 90 Twenty Fourth St Back Water Valve (Sewer only) Back water valve on sanitary line. Open
Sep 9, 2026 14 Mattice Rd Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Closed
Sep 9, 2026 7 Cleveland St Back Water Valve (Sewer only) INSTALL BACKWATER VALVE Closed
Sep 9, 2026 8 Deering Cres Back Water Valve (Sewer only) Drain mainline back WATER VALVE installation Open
Sep 9, 2026 16 Haverson Blvd Back Water Valve (Sewer only) Proposed backwater valve to prevent flooding after a backflow incident. Open
Sep 9, 2026 12 Madras Cres Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 130 Haileybury Dr Back Water Valve (Sewer only) Install Back Water Valve on main sanitary drain. Open
Sep 9, 2026 153 Bingham Ave Back Water Valve (Sewer only) Mainline back water valve installation Open
Sep 9, 2026 4 Mildenhall Rd Back Water Valve (Sewer only) install backwater valve Open
Sep 9, 2026 15 Rupert St Back Water Valve (Sewer only) Installation of back water valve and sump pump Open
Sep 9, 2026 20 Belle Ayre Blvd Back Water Valve (Sewer only) Installation of Main Drain Pipe "Backwater Valve" Open
Sep 9, 2026 459 Hounslow Ave Back Water Valve (Sewer only) Back water valve installation Open
Sep 9, 2026 242 Brock Ave Back Water Valve (Sewer only) Back water valve installation inside Open
Sep 9, 2026 699 Brimorton Dr Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 916 Greenwood Ave Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 115 Black Creek Blvd Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 16 Freeborn Cres Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 258 Elmwood Ave Back Water Valve (Sewer only) Proposal for backwater valve Open
Sep 9, 2026 58 Shandon Dr Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 34 Falcon St Back Water Valve (Sewer only) INSTALL BACK WATER VALVE Open
Sep 9, 2026 73 Leggett Ave Back Water Valve (Sewer only) Install backwater valve Open
Sep 8, 2026 93 Anndale Dr Back Water Valve (Sewer only) backwater valve install Open
Sep 8, 2026 60 Elinor Ave Back Water Valve (Sewer only) Proposed Backwater Valve Installation. Open
Sep 8, 2026 19 Larchmount Ave Back Water Valve (Sewer only) Backwater Valve Installation Open
Sep 8, 2026 84 Twenty Sixth St Back Water Valve (Sewer only) Proposal for a backwater valve installation. Open
Sep 8, 2026 3 Jesmond Ave Back Water Valve (Sewer only) supply and install backwater valve Open
Sep 8, 2026 102 Kenilworth Ave Back Water Valve (Sewer only) Proposed installation of a backwater value at the front of the basement to prevent basement flooding during storms. Open
Sep 8, 2026 337 Bessborough Dr Back Water Valve (Sewer only) Backwater Valve installation Open
Sep 8, 2026 119 Pickering St Back Water Valve (Sewer only) Proposal for a backwater valve installation. Open
Sep 8, 2026 286 Swanwick Ave Back Water Valve (Sewer only) Proposal for a backwater valve installation. Open
Sep 4, 2026 343 Bain Ave Back Water Valve (Sewer only) Inside Back Water Valve installation Open

The 40 most recent of 40,277 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
40,277
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
WRK-056