Home › Permit types › Drain & Site Service Permits
Updated 2026-09-21: this page lists 15,107 active Drain and Site Service records in Toronto, from the City of Toronto's Active Permits dataset. Toronto building permit applications are public record.
Drain and Site Service permits cover underground work — building drains, sewers, and water/site servicing connections filed alongside construction projects across Toronto. PermitPulse is tracking 15,107 active records in this stream, filed Dec 18, 1990–Sep 18, 2026. Disclosed construction estimates total $6,147,736,647 across 1,955 filings.
Source: City of Toronto Open Data, Building Permits — Active Permits · updated September 21, 2026. Showing the 100 most recent of 15,107 active records in this stream — the totals and stats on this page cover all 15,107.
| Address | Ward | Permit type | Description | Status | Applied | Est. cost |
|---|---|---|---|---|---|---|
| 28 Grange Ave26 143193 DRN | Spadina-Fort York | Drain and Site Service | Drain - Proposed 3 storey sixplex dwelling | Not Started | Sep 18, 2026 | — |
| 625 Bedford Park Ave26 239697 DRN | Eglinton-Lawrence | Drain and Site Service | backwater valve installation | Application On Hold | Sep 18, 2026 | — |
| 9 Greenberry Pl26 239739 DRN | Scarborough-Agincourt | Drain and Site Service | Back water valve installation | Permit Issued | Sep 18, 2026 | — |
| 26 Snowood Crt26 239691 DRN | Humber River-Black Creek | Drain and Site Service | Supply and install backwater valve | Application Acceptable | Sep 18, 2026 | — |
| 44 Cotton Ave26 240129 DRN | Scarborough Southwest | Drain and Site Service | Drain - Rear and second-storey additions to convert an existing detached dwelling into a duplex. | Application Acceptable | Sep 18, 2026 | — |
| 32 Warbeck Pl26 239741 DRN | Etobicoke Centre | Drain and Site Service | supply and install backwater valve | Application Acceptable | Sep 18, 2026 | — |
| 75 Huntsmill Blvd26 240192 DRN | Scarborough-Agincourt | Drain and Site Service | Drain - Proposal for a second unit and a basement walkout | Pending Parent Folder Review | Sep 18, 2026 | — |
| 32 Hunting Ridge26 240106 DRN | Etobicoke Centre | Drain and Site Service | Drain - Interior renovation for the reconfiguration of the kitchen, primary bedroom, and ensuite bathroom. | Pending Parent Folder Review | Sep 18, 2026 | — |
| 452 Hounslow Ave26 239701 DRN | Willowdale | Drain and Site Service | Installation of backwater valve | Ready for Issuance | Sep 18, 2026 | — |
| 6 Aneta Crcl26 239966 DRN | Willowdale | Drain and Site Service | Supply and install backwater valve | Application Acceptable | Sep 18, 2026 | — |
| 12 Holmesdale Rd26 240059 DRN | Davenport | Drain and Site Service | Drain - Proposing secondary unit in basement with new HVAC design | Pending Parent Folder Review | Sep 18, 2026 | — |
| 3 Lamb Ave26 239752 DRN | Toronto-Danforth | Drain and Site Service | Sump pit,Sump pump and Battery back up installation. BWV and pipe capping | Application Acceptable | Sep 18, 2026 | — |
| 1 Trestleside Grv26 240177 DRN | Scarborough Centre | Drain and Site Service | install backwater valve | Application Acceptable | Sep 18, 2026 | — |
| 1764 Queen St E26 239769 DRN | Beaches-East York | Drain and Site Service | Proposed installation of full-port, backwater valve on the main sanitary building drain | Permit Issued | Sep 18, 2026 | — |
| 598 Mount Pleasant Rd26 137860 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - Rear addition. Commercial building. Ground floor medical office; second storey office | Not Started | Sep 18, 2026 | — |
| 93 Hocken Ave26 240046 DRN | Toronto-St. Paul's | Drain and Site Service | INSTALL BACK WATER VALVE | Application Acceptable | Sep 18, 2026 | — |
| 152 Byng Ave26 239751 DRN | Willowdale | Drain and Site Service | Proposal to install one backwater valve on the existing sanitary building drain and one backwater valve on t… | Permit Issued | Sep 18, 2026 | — |
| 27 Castledene Cres26 239715 DRN | Scarborough-Agincourt | Drain and Site Service | Proposed installation sanitary line backwater valve. | Application Acceptable | Sep 18, 2026 | — |
| 30 Vice Regent Blvd26 235985 DRN | Etobicoke North | Drain and Site Service | Drain - Proposal for a 8 storey hotel building containing approximately 126 guest rooms, including associate… | Application Acceptable | Sep 18, 2026 | — |
| 30 Vice Regent Blvd26 235985 STS | Etobicoke North | Drain and Site Service | Drain - Proposal for a 8 storey hotel building containing approximately 126 guest rooms, including associate… | Application Acceptable | Sep 18, 2026 | $1.6M |
| 495 Douglas Ave26 239763 DRN | Eglinton-Lawrence | Drain and Site Service | Back water valve installation | Permit Issued | Sep 18, 2026 | — |
| 64 Burnside Dr26 238477 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - To construct a 3rd storey addition over existing dwelling,a rear two-storey addition and extension o… | Application Acceptable | Sep 18, 2026 | — |
| 17 Babcock Rd26 239887 DRN | Scarborough Centre | Drain and Site Service | Proposed addition of Backwater valve in Basement | Permit Issued | Sep 18, 2026 | — |
| 128 Winnett Ave26 239742 DRN | Toronto-St. Paul's | Drain and Site Service | Install exterior back water valve on the main sanitary sewer with clean out at grade level | Application Acceptable | Sep 18, 2026 | — |
| 166 Hay Ave25 245185 DRN | Etobicoke-Lakeshore | Drain and Site Service | Rev 01: Revision to basement sanitary drainage system.Drain - Proposed new construction of 4 unit detached d… | Not Started | Sep 17, 2026 | — |
| 327 Brock Ave26 238997 DRN | Davenport | Drain and Site Service | Back water valve installation | Permit Issued | Sep 17, 2026 | — |
| 715 Pharmacy Ave26 239263 DRN | Scarborough Southwest | Drain and Site Service | OUTSIDE BACK WATER VALVE | Application On Hold | Sep 17, 2026 | — |
| 19 Biggar Ave26 239400 DRN | Davenport | Drain and Site Service | Drain - PROPOSED EXISTING REAR 2 STOREY TO BE REBUILDED +INTERIOR ADDITIONS + REAR WALKOUT + UNDERPINNING +… | Application Acceptable | Sep 17, 2026 | — |
| 103 Parkview Hill Cres26 238965 DRN | Beaches-East York | Drain and Site Service | INSTALL BACK WATER VALVE | Permit Issued | Sep 17, 2026 | — |
| 193 Searle Ave26 239274 DRN | York Centre | Drain and Site Service | SUPPLY AND INSTALL BACK WATER VALVE | Application On Hold | Sep 17, 2026 | — |
| 52 Belcourt Rd26 239284 DRN | Don Valley West | Drain and Site Service | Drain - Proposed underpinning to existing single family dwelling. | Pending Parent Folder Review | Sep 17, 2026 | — |
| 237 Empress Ave26 239060 DRN | Willowdale | Drain and Site Service | Backflow Valve Installation in Basement | Inspection | Sep 17, 2026 | — |
| 17 Dewbourne Ave26 239539 DRN | Toronto-St. Paul's | Drain and Site Service | Proposal for installing sump pump with battery back up and BWV on the sewer line | Ready for Issuance | Sep 17, 2026 | — |
| 1 Woodvale Cres26 239476 DRN | Beaches-East York | Drain and Site Service | Sanitary line & Backwater Valve | Application Acceptable | Sep 17, 2026 | — |
| 62 Raymond Ave26 239083 DRN | Parkdale-High Park | Drain and Site Service | Proposal to install a backwater valve. | Permit Issued | Sep 17, 2026 | — |
| 382 Drewry Ave26 229562 DRN | Willowdale | Drain and Site Service | Drain - Proposal to construct a new two-storey garden suite with unfinished basement.See also 26-168431 ZAP… | Not Started | Sep 17, 2026 | — |
| 400 Lawrence Ave W26 239167 DRN | Eglinton-Lawrence | Drain and Site Service | Installation of main drain backwater valve | Application Acceptable | Sep 17, 2026 | — |
| 49 Gladys Rd26 239204 DRN | Scarborough-Rouge Park | Drain and Site Service | Drain - New Garden Suite | Application Acceptable | Sep 17, 2026 | — |
| 1 Kirkdale Cres26 239165 DRN | Don Valley West | Drain and Site Service | Installation of back water valve inside of the house | Permit Issued | Sep 17, 2026 | — |
| 59 Falaise Rd26 239543 DRN | Scarborough-Guildwood | Drain and Site Service | Drain - TO CONSTRUCT A NEW 2-STOREY GARDEN SUITE | Application On Hold | Sep 17, 2026 | — |
| 25 Christine Cres26 239567 DRN | Willowdale | Drain and Site Service | Proposal to replace building trap with the installation of a backwater valve. | Permit Issued | Sep 17, 2026 | — |
| 26 Ruscica Dr26 239175 DRN | Don Valley East | Drain and Site Service | install Backwater valve and sump pump | Permit Issued | Sep 17, 2026 | — |
| 13 Dunbar Rd26 239432 DRN | University-Rosedale | Drain and Site Service | Drain - Proposal for interior alterations in the basement and underpinning | Application Acceptable | Sep 17, 2026 | — |
| 23 Wood Glen Rd26 239003 DRN | Scarborough Southwest | Drain and Site Service | Backwater Valve | Application On Hold | Sep 17, 2026 | — |
| 305 Woodmount Ave26 239090 DRN | Beaches-East York | Drain and Site Service | PROPOSED OUTSIDE BACKWATER VALVE | Permit Issued | Sep 17, 2026 | — |
| 268 Parkview Ave26 239529 DRN | Willowdale | Drain and Site Service | INSTALL BACK WATER VALVE | Application Acceptable | Sep 17, 2026 | — |
| 715 Pharmacy Ave26 238982 DRN | Scarborough Southwest | Drain and Site Service | Install a outdoor back water valve | Permit Issued | Sep 17, 2026 | — |
| 31 Runnymede Rd26 239575 DRN | Parkdale-High Park | Drain and Site Service | Installation of backwater valve outside | Permit Issued | Sep 17, 2026 | — |
| 20 Wilberton Rd26 231172 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - Proposal to demolish existing dwelling and construct a new three-storey single family dwelling. See… | Issuance Pending | Sep 17, 2026 | — |
| 914 Manning Ave26 237068 DRN | University-Rosedale | Drain and Site Service | Drain - Proposal for a rear 2 storey addition and interior alterations | Issuance Pending | Sep 17, 2026 | — |
| 66 Patricia Ave26 239361 DRN | Willowdale | Drain and Site Service | Drain - Demolish existing one storey dwelling and construct a new 3 storey fourplex with a front porch, rear… | Application On Hold | Sep 17, 2026 | — |
| 165 Tavistock Rd26 133055 DRN | York Centre | Drain and Site Service | Drain - Proposal to demolish the existing SFD and construct a new detached four unit detached structure with… | Not Started | Sep 16, 2026 | — |
| 88 Malvern Ave26 238213 DRN | Beaches-East York | Drain and Site Service | Drain - Proposal to alter the existing two-storey detached dwelling by constructing a partial front one-stor… | Application Acceptable | Sep 16, 2026 | — |
| 178 Atlas Ave26 229066 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - Proposal for interior alterations to an existing triplex. | Not Started | Sep 16, 2026 | — |
| 2 Wood Ave26 238469 DRN | Don Valley West | Drain and Site Service | Proposed back water valve installation only ( sewer) | Permit Issued | Sep 16, 2026 | — |
| 233 Churchill Ave26 209188 DRN | Willowdale | Drain and Site Service | Drain - Proposal to construct a three storey dwelling, basement walk out, front porch and rear deck | Permit Issued | Sep 16, 2026 | — |
| 17 Mcallister Rd26 238179 DRN | York Centre | Drain and Site Service | Drain - Proposal to demolish existing building and construct a new 3-storey fourplex dwelling and a 2-storey… | Not Started | Sep 16, 2026 | — |
| 163 Woodsworth Rd26 129154 DRN | Don Valley West | Drain and Site Service | Drain - Proposal for interior alterations to all floors including a basement secondary suite with new walkou… | Permit Issued | Sep 16, 2026 | — |
| 283 Brooke Ave26 238202 DRN | Eglinton-Lawrence | Drain and Site Service | Back water valve installation | Permit Issued | Sep 16, 2026 | — |
| 102 Culford Rd26 238285 DRN | York South-Weston | Drain and Site Service | Backwater valve | Application Acceptable | Sep 16, 2026 | — |
| 146 Bannockburn Ave26 219699 DRN | Eglinton-Lawrence | Drain and Site Service | Drain - Demolishing of existing one and a half storey bungalow and build a new three story detached houseple… | Not Started | Sep 16, 2026 | — |
| 955 Lake Shore Blvd W26 215578 STS | Spadina-Fort York | Drain and Site Service | Site Services - Construct a 1-storey washroom and water filling stations - Washroom C | Application Acceptable | Sep 16, 2026 | $3M |
| 172 Fisherville Rd26 238266 DRN | York Centre | Drain and Site Service | back water valve on sewer line | Application Acceptable | Sep 16, 2026 | — |
| 1220 Wilson Ave26 225128 | York Centre | Drain and Site Service | Drain - Construct a 6-storey municipal shelter (HSCIS) containing 80 beds and support space | Application On Hold | Sep 16, 2026 | — |
| 955 Lake Shore Blvd W26 215578 DRN | Spadina-Fort York | Drain and Site Service | Drain - Construct a 1-storey washroom and water filling stations - Washroom C | Application On Hold | Sep 16, 2026 | — |
| 2123 Keele St26 238478 DRN | York South-Weston | Drain and Site Service | Proposal to supply and install back water valve. | Permit Issued | Sep 16, 2026 | — |
| 869 Cosburn Ave26 238226 DRN | Beaches-East York | Drain and Site Service | SUPPLY AND INSTALL BACK WATER VALVE | Permit Issued | Sep 16, 2026 | — |
| 408 Richview Ave26 238600 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - Proposal for an addition to the side and rear of the house and interior alterations. | Issuance Pending | Sep 16, 2026 | — |
| 12 Latham Ave26 238678 DRN | Scarborough Southwest | Drain and Site Service | INSTALL BACK WATER VALVE | Permit Issued | Sep 16, 2026 | — |
| 3022 A Bayview Ave26 238633 DRN | Willowdale | Drain and Site Service | Backwater valve instalation | Permit Issued | Sep 16, 2026 | — |
| 18 Banbury Rd26 238437 DRN | Don Valley West | Drain and Site Service | Interior back water valve installation | Permit Issued | Sep 16, 2026 | — |
| 123 Cottingham St26 238793 DRN | Toronto-St. Paul's | Drain and Site Service | INSTALL BACK WATER VALVE | Application On Hold | Sep 16, 2026 | — |
| 196 Courcelette Rd26 238212 DRN | Scarborough Southwest | Drain and Site Service | INSTALL BACK WATER VALVE | Permit Issued | Sep 16, 2026 | — |
| 49 Eaton Ave26 238710 DRN | Toronto-Danforth | Drain and Site Service | Proposal to install a backwater valve on the existing sanitary sewer line within the basement of an existing… | Not Started | Sep 16, 2026 | — |
| 105 Byng Ave26 238006 DRN | Willowdale | Drain and Site Service | Drain - New house | Application Acceptable | Sep 16, 2026 | — |
| 67 O'connor Dr26 238231 DRN | Toronto-Danforth | Drain and Site Service | Drain - Proposal to demolish existing 1 storey detached house and detached garage and construct a new 3 stor… | Not Started | Sep 16, 2026 | — |
| 49 Anndale Dr26 238222 DRN | Willowdale | Drain and Site Service | Install inside Backwater Valve, no sump pump | Permit Issued | Sep 16, 2026 | — |
| 150 Briar Hill Ave26 238753 DRN | Eglinton-Lawrence | Drain and Site Service | Install a backwater valve to existing dwelling | Inspection | Sep 16, 2026 | — |
| 86 Forest Heights Blvd26 238178 DRN | Don Valley West | Drain and Site Service | Proposal for interior backwater valve installation | Permit Issued | Sep 16, 2026 | — |
| 3020 A Bayview Ave26 238657 DRN | Willowdale | Drain and Site Service | backwater valve installation on main drain | Permit Issued | Sep 16, 2026 | — |
| 510 Durie St26 238434 DRN | Parkdale-High Park | Drain and Site Service | Drain - BASEMENT UNERPINNING (34M), DRAIN AND PLUMBING PERMIT | Pending Parent Folder Review | Sep 16, 2026 | — |
| 17 Mcallister Rd26 238172 DRN | York Centre | Drain and Site Service | Drain - Proposal to demolish existing building and construct a new 3-storey fourplex dwelling and a 2-storey… | Not Started | Sep 16, 2026 | — |
| 46 Braemar Ave26 238232 DRN | Toronto-St. Paul's | Drain and Site Service | Drain - Proposal for underpinning | Permit Issued | Sep 16, 2026 | — |
| 313 Shaw St25 160173 DRN | University-Rosedale | Drain and Site Service | REV01: drain revisionDrain - Proposal to construct a new 2 storey laneway suite with a ground floor garage. | Not Started | Sep 15, 2026 | — |
| 54 Fairchild Ave26 237630 DRN | Willowdale | Drain and Site Service | Proposal to install a backwater valve. | Inspection | Sep 15, 2026 | — |
| 25 Beresford Ave26 237641 DRN | Parkdale-High Park | Drain and Site Service | Drain - Proposed interior alterations to existing detached dwelling, and new rear canopy. | Permit Issued | Sep 15, 2026 | — |
| 189 Wineva Ave26 237844 DRN | Beaches-East York | Drain and Site Service | Install sanitary line backwater valve | Application On Hold | Sep 15, 2026 | — |
| 9 Glenaden Ave E26 224916 DRN | Etobicoke-Lakeshore | Drain and Site Service | Drain - Proposal for 2 storey rear addition , partial underpinning, interior alteration and rear wood deck | Permit Issued | Sep 15, 2026 | — |
| 171 Woburn Ave26 237954 DRN | Eglinton-Lawrence | Drain and Site Service | Backwater Valve Installation on existing sanitary line inside of the house | Permit Issued | Sep 15, 2026 | — |
| 447 Horsham Ave26 237575 DRN | Willowdale | Drain and Site Service | Drain - Proposal to construct a new 3-storey apartment building with a 2-story garden suite in the rear yard… | Application Acceptable | Sep 15, 2026 | — |
| 116 Langley Ave26 237613 DRN | Toronto-Danforth | Drain and Site Service | Backwater valve installation outside | Permit Issued | Sep 15, 2026 | — |
| 2 Norelco Dr26 237699 DRN | Humber River-Black Creek | Drain and Site Service | Drain - Proposed construction of single-storey industrial building | Application On Hold | Sep 15, 2026 | — |
| 382 Parkview Ave26 237946 DRN | Willowdale | Drain and Site Service | Installation of a back water valve to the sanitary sewer line | Permit Issued | Sep 15, 2026 | — |
| 1698 Victoria Park Ave26 237543 DRN | Don Valley East | Drain and Site Service | Drain - Proposed conversion of existing garage and storage areas to provide 5 new reisdential units within e… | Application On Hold | Sep 15, 2026 | — |
| 1 Valleyview Gdns26 237970 DRN | Parkdale-High Park | Drain and Site Service | Drain - Basement Underpinning, 110 Linear, 1st Floor Load Bearing Wall Removals, 2nd Floor closet wall modif… | Permit Issued | Sep 15, 2026 | — |
| 5 Robinter Dr26 237885 DRN | Willowdale | Drain and Site Service | Installation of a back water valve | Permit Issued | Sep 15, 2026 | — |
| 3650 Danforth Ave26 237725 STS | Scarborough Southwest | Drain and Site Service | Replace and remove existing sanitary connection within Birchmount Road | Application On Hold | Sep 15, 2026 | $550K |
| 122 Roosevelt Rd26 237532 DRN | Toronto-Danforth | Drain and Site Service | Backwater valve installation. | Permit Issued | Sep 15, 2026 | — |
| 182 Haddington Ave26 237608 DRN | Eglinton-Lawrence | Drain and Site Service | Back water valve installation in private residential home. | Permit Issued | Sep 15, 2026 | — |
| 137 Foxwell St26 237646 DRN | York South-Weston | Drain and Site Service | Drain - NEW GARDEN SUITE WITH 3 BEDROOMS, 2 STORIES, NO BASEMENT.See also 24 145226 ZAP | Not Started | Sep 15, 2026 | — |
PermitPulse is tracking 15,107 active Drain and Site Service records across Toronto as of September 21, 2026, drawn from the City of Toronto's Active Permits dataset — filed between Dec 18, 1990 and Sep 18, 2026. Eglinton-Lawrence currently has the most, with 1,208.
Active Drain and Site Service records currently span all 25 wards. The busiest: Eglinton-Lawrence (1,208), Etobicoke-Lakeshore (1,119), Toronto-Danforth (1,018), Parkdale-High Park (860), Don Valley West (859), University-Rosedale (847), Beaches-East York (834), York Centre (747), Willowdale (729), Davenport (715), plus 15 more wards. Click any ward in the table to see everything filed there, across all permit types.
Weekly ward alerts are coming — new applications near you and status changes on permits you follow. Searching stays free.
You're on the list — we'll be in touch.