thepermitmap

Type of work · 10 of 103 by permit count

Backflow Prevention Devices (Water only) permits in Toronto

The City of Toronto has 17,365 backflow prevention devices (water only) permits on record for Toronto, going back to 2001. Declared construction value totals $117.3M. The most recent permit was issued Sep 10, 2026 at 1030 Pape Ave.

Permits on record
17,3652001–2026
Declared construction value
$117.3Mas filed, not adjusted
Homes created
0dwelling units
Homes removed
0net +0

Permits issued per year

20012026 (part year)

Most common work

  • Backflow Prevention Devices (Water only)17,365 · 100%

Structures worked on

  • Apartment Building3,659 · 21%
  • Industrial1,778 · 10%
  • Retail Store1,378 · 8%
  • Office1,371 · 8%
  • SFD - Detached1,321 · 8%
  • Multiple Unit Building1,267 · 7%
  • Other987 · 6%
  • Multiple Use/Non Residential861 · 5%
  • Warehouse513 · 3%
  • Gas Station/Car Wash/Repair Garage447 · 3%
  • Restaurant 30 Seats or Less424 · 2%
  • Elementary School384 · 2%

Most recent permits

Issued Address Work What was filed Value Status
Sep 10, 2026 1030 Pape Ave Backflow Prevention Devices (Water only) To install a backflow prevention device at Pape Avenue and Gamble Avenue for temporary water services. $100K Open
Sep 10, 2026 50 Stilecroft Dr Backflow Prevention Devices (Water only) Proposal for back-flow preventer in existing incoming water main $35K Open
Sep 10, 2026 1030 Pape Ave Backflow Prevention Devices (Water only) To install a backflow prevention device at Pape Avenue and Gowan Avenue for temporary water services. $100K Open
Sep 9, 2026 447 Walmer Rd Backflow Prevention Devices (Water only) PROPOSAL FOR INSTALLATION OF TWO BACKFLOW PREVENTERS (PARALLELL SERVICES) ON THE DOMESTIC COLD WATER LINE. $200K Open
Sep 4, 2026 1-2 MEADOWGLEN PL Backflow Prevention Devices (Water only) REV 01: REVISION TO 22 153325 PSA 00 PS TO CHANGE ORIGINAL 6" BACKFLOW PREVENTER TO A 4" DCVA BACKFLOW PREVENTERInstallation of a backflow prevention device Open
Sep 2, 2026 449 Carlaw Ave Backflow Prevention Devices (Water only) Proposal to install a backflow prevention device at Pape Avenue and Langley Avenue for temporary water services. $100K Open
Sep 1, 2026 449 Carlaw Ave Backflow Prevention Devices (Water only) Proposal to install a backflow prevention device at Carlaw Avenue and Victor Avenue for temporary water services. $100K Open
Sep 1, 2026 885 Pape Ave Backflow Prevention Devices (Water only) Proposal to install a backflow prevention device at Pape Avenue and Sammon Avenue for temporary water services. $100K Open
Aug 31, 2026 800 Bay St Backflow Prevention Devices (Water only) Proposal to supply and install backflow preventor one new 3" DCVA BFP to replace existing faulty 3" DCVA BFP. $13K Open
Aug 31, 2026 1802 Bayview Ave Backflow Prevention Devices (Water only) To install a backflow prevention device Open
Aug 26, 2026 721 Bloor St W Backflow Prevention Devices (Water only) Supplying and installing new Premises 1'' DCVA Backflow Preventer on incoming water service for the building $5K Closed
Aug 25, 2026 487 Birchmount Rd Backflow Prevention Devices (Water only) Installation of a Back-flow Prevention Assembly on the City Water Main $10K Open
Aug 25, 2026 135 Beechgrove Dr Backflow Prevention Devices (Water only) Install 3/4¿ DCVA premise isolation valve and potable expansion tank. $4K Open
Aug 25, 2026 711 Bloor St W Backflow Prevention Devices (Water only) Backflow Prevention Installation $3K Open
Aug 21, 2026 801B Sheppard Ave W Backflow Prevention Devices (Water only) Backflow Preventer replacement Closed
Aug 20, 2026 619 Avenue Rd Backflow Prevention Devices (Water only) Replace a 4inch DCVA for the domesic main to both buildings $5K Open
Aug 19, 2026 801B Sheppard Ave W Backflow Prevention Devices (Water only) Backflow Preventer replacement $4K Open
Aug 17, 2026 3406-3434 WESTON RD Backflow Prevention Devices (Water only) Install domestic premise backflows on site $6K Open
Aug 17, 2026 35 Merton St Backflow Prevention Devices (Water only) Proposed adding Back flow preventer (BFP) to sprinkler line $1K Open
Aug 11, 2026 625 Avenue Rd Backflow Prevention Devices (Water only) Replace a 4inch DCVA for the domesic main to both buildings $5K Open
Aug 10, 2026 15 Shallmar Blvd Backflow Prevention Devices (Water only) Proposed baclflow prevention device to existing apartment building $1K Open
Aug 10, 2026 1403 Bayview Ave Backflow Prevention Devices (Water only) Proposed backflow preventer $1K Open
Aug 7, 2026 400 Flint Rd Backflow Prevention Devices (Water only) Backflow valve installation Open
Aug 5, 2026 298-300 SPADINA AVE Backflow Prevention Devices (Water only) Proposal to install a new 3" D.C.V.A Backflow device. $15K Open
Jul 31, 2026 7 Richgrove Dr Backflow Prevention Devices (Water only) Installation of a new domestic premise isolation backflow preventer (DCVA) to replace an existing one. $10K Closed
Jul 27, 2026 801B Sheppard Ave W Backflow Prevention Devices (Water only) Installation of Backflow Preventer replacement. $4K Closed
Jul 24, 2026 4001 Don Mills Rd Backflow Prevention Devices (Water only) Installation of two 3/4 inch BFP in the mechanical room serviceing two building - for the shared swimming pool. builidng linked by underground parking. $10K Open
Jul 24, 2026 608 Dawes Rd Backflow Prevention Devices (Water only) Proposal to install 3" backflow prevention device on domestic water service. $14K Open
Jul 23, 2026 250 Scarlett Rd Backflow Prevention Devices (Water only) Installation of a new backflow preventer on the existing system. $25K Open
Jul 17, 2026 40 Rosehill Ave Backflow Prevention Devices (Water only) Back flow prevention device $5K Open
Jul 16, 2026 1515-1575 STEELES AVE E Backflow Prevention Devices (Water only) Proposed installation of backflow prevention device $7K Closed
Jul 15, 2026 5793 Yonge St Backflow Prevention Devices (Water only) Replace existing premise backflow preventer $11K Open
Jul 10, 2026 166 Toryork Dr Backflow Prevention Devices (Water only) Proposal to replace backflow preventer in Unit 1. $1K Closed
Jul 9, 2026 2 Lynwood Ave Backflow Prevention Devices (Water only) Replacement of the 3" premise backflow preventer for domestic water. $10K Closed
Jul 8, 2026 80 Palace Pier Crt Backflow Prevention Devices (Water only) Addition of the 6" Backflow Preventer on the fire line $5K Open
Jul 6, 2026 1250 Bayview Ave Backflow Prevention Devices (Water only) Proposal to install one backflow preventor on irrigation line $5K Open
Jul 3, 2026 68 Floral Pkwy Backflow Prevention Devices (Water only) Proposal to install a backflow prevention device $5K Closed
Jul 2, 2026 1381 Meadowvale Rd Backflow Prevention Devices (Water only) Install a 1-1/2" backflow prevention device $3K Closed
Jun 29, 2026 3555 Kingston Rd Backflow Prevention Devices (Water only) Proposal for installation of a backflow preventer $10K Closed
Jun 26, 2026 107 Crockford Blvd Backflow Prevention Devices (Water only) Proposal to replace existing RP backflow prevention device on domestic water service with DCVA device. $1K Closed

The 40 most recent of 17,365 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
17,365
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
WRK-159