Type of work · 10 of 103 by permit count
Backflow Prevention Devices (Water only) permits in Toronto
The City of Toronto has 17,376 backflow prevention devices (water only) permits on record for Toronto, going back to 2001. Declared construction value totals $118.5M. Half of the 17,038 permits issued here came through within 17 days of the application. The most recent permit was applied for Oct 30, 2026 at 2867 Ellesmere Rd.
- Permits on record
- 17,3762001–2026
- Declared construction value
- $118.5Mas filed, not adjusted
- Homes created
- 0dwelling units
- Homes removed
- 0net +0
- Typical wait
- 17 days10 days faster than the city
Permits issued per year
20012026 (part year)
Zoning
- Most common zone
- CR30.3% of permits · by-law 40.10
- In detached-house zones
- 8.3%29.7% below the city’s 38.0%
- Permits with a zone
- 12,440of 17,376 on record
The zoning categories the permits in Backflow Prevention Devices (Water only) fall in, under Zoning By-law 569-2013. These are the City's own category names. This counts permits, not land: it says where the building work happened under which rules, not how the area is carved up. What each zone allows, and what gets built in it.
Most common work
Structures worked on
Postal areas
Most recent permits
| Issued | Address | Work | What was filed | Value | Status |
|---|---|---|---|---|---|
| Oct 30, 2026 | 2867 Ellesmere Rd | Backflow Prevention Devices (Water only) | Proposal to install dialysis boxes in patient rooms of the coronary care unit on the 4th floor of the Margaret Birch East Wing. | $309K | Open |
| Oct 30, 2026 | 51 Worcester Rd | Backflow Prevention Devices (Water only) | Install 2" DCVA premise isolation valve and potable expansion tank | $2K | Open |
| Oct 29, 2026 | 790 Bay St | Backflow Prevention Devices (Water only) | New water service and fire service to existing medical building, addition of back flow preventer on fire protection service. - Back flow preventer | $500K | Open |
| Oct 27, 2026 | 2006 Queen St E | Backflow Prevention Devices (Water only) | Replacement of an existing 1" DCVA backflow prevention valve | $3K | Open |
| Oct 26, 2026 | 35 Fontenay Crt | Backflow Prevention Devices (Water only) | Proposed 4-inch backflow preventer on the incoming water service. | $10K | Open |
| Oct 26, 2026 | 1530 Albion Rd | Backflow Prevention Devices (Water only) | Proposal to remove and replace domestic backflow. | $5K | Open |
| Oct 21, 2026 | 240 Scarlett Rd | Backflow Prevention Devices (Water only) | Proposed supply and installation 8" backflow on fire line and Judo filter | $99K | Open |
| Oct 20, 2026 | 20 Forest Manor Rd | Backflow Prevention Devices (Water only) | BACK FLOW PREVENTER INSTALLATION | $10K | Open |
| Oct 15, 2026 | 2671 Islington Ave | Backflow Prevention Devices (Water only) | Installing backflow on sprinkler line, and installing sprinkler on the mechanical, 3rd, 2nd, and ground floors. | $250K | Closed |
| Oct 13, 2026 | 354 St Clair Ave W | Backflow Prevention Devices (Water only) | Backwater prevention device | $9K | Open |
| Oct 8, 2026 | 181 Dundas St E | Backflow Prevention Devices (Water only) | Proposal for replacement of existing 1-1/2" Watts 375XL reduced pressure (RP) backflow prevention device serving existing high-rise condominium building. Device located in PH mechanical room. | $2K | Open |
| Oct 8, 2026 | 244 Eglinton Ave E | Backflow Prevention Devices (Water only) | Backflow Device Replacement | $5K | Open |
| Sep 29, 2026 | 50 Stilecroft Dr | Backflow Prevention Devices (Water only) | Proposal for back-flow preventer in existing incoming water main | $35K | Open |
| Sep 24, 2026 | 135 Beechgrove Dr | Backflow Prevention Devices (Water only) | Install 3/4 DCVA premise isolation valve and potable expansion tank. | $4K | Closed |
| Sep 23, 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 |
| Sep 18, 2026 | 801B Sheppard Ave W | Backflow Prevention Devices (Water only) | Backflow Preventer replacement | $4K | Closed |
| Sep 15, 2026 | 711 Bloor St W | Backflow Prevention Devices (Water only) | Backflow Prevention Installation | $3K | Closed |
| Sep 15, 2026 | 298-300 SPADINA AVE | Backflow Prevention Devices (Water only) | Proposal to install a new 3" D.C.V.A Backflow device. | $15K | Open |
| 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 | 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 | — | Closed |
| 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 | 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 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 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 | Closed |
| 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 |
| 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 |
The 40 most recent of 17,376 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.