Toronto address · Ward 15, Don Valley West
21 Redway Rd
North Toronto Wastewater Treatment Plant
The City of Toronto has 27 building permits since 2017 (12 still open) on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Permit issued
Plumbing
Plumbing - The proposal for Millwood Emergency Exit Building (EEB) which is located adjacent to the proposedElevated Guideway along Millwood Road at the intersection with Overlea Boulevard, andprovides emergency egress from the elevated guideway track level to street level.
Applied Jan 26, 2026 · issued Apr 8, 2026 · Permit 26 109340 PLB
- Permit issued
Heating and ventilation
HVAC - The proposal for Millwood Emergency Exit Building (EEB) which is located adjacent to the proposedElevated Guideway along Millwood Road at the intersection with Overlea Boulevard, andprovides emergency egress from the elevated guideway track level to street level.
Applied Jan 26, 2026 · issued Jul 24, 2026 · Permit 26 109340 HVA
- Inspections under way
New building
The proposal for Millwood Emergency Exit Building (EEB) which is located adjacent to the proposedElevated Guideway along Millwood Road at the intersection with Overlea Boulevard, andprovides emergency egress from the elevated guideway track level to street level.
Applied Jan 26, 2026 · issued Apr 8, 2026 · Permit 26 109340 BLD
- Closed
Addition or alteration · Interior alterations
Revision 02: Due to peeling of lead containing paint and exposing the asbestos containing plaster in the Security room, and Server/Computer Room, proposal encapsulate the ACM walls with Drywallassemblies. Intumescent paint has been removed from the scope of these rooms. In addition,removal of three existing windows at Security room, Server/Computer Room, and M & E Room, due to poor condition. These three window openings will be blocked.Rev 01: Revised drawings list, general notes revised, changes to mechanical items coordination, and new mechanical work including new fire protection plan. Upg…
Applied Jan 9, 2025 · issued Jan 24, 2025 · completed Jan 16, 2026 · Permit 21 244865 BLD (revision 02)
- Closed
Addition or alteration · Interior alterations
Rev 01: Revised drawings list, general notes revised, changes to mechanical items coordination, and new mechanical work including new fire protection plan. Upgrades of Toronto Water facilities server/computer room and supporting infrastructure
Applied Jun 22, 2022 · issued Jul 19, 2022 · completed Jan 16, 2026 · Permit 21 244865 BLD (revision 01)
- Closed
Heating and ventilation
Rev 01: Updated plumbing and drainage design, new exhaust system design, updated mechanical schematics and control schematics. and updated notes on drawings. HVAC - Upgrades of Toronto Water facilities server/computer room and supporting infrastructure
Applied Jun 22, 2022 · issued Jul 18, 2022 · completed Jan 15, 2026 · Permit 21 244865 HVA (revision 01)
- Closed
Plumbing
Rev 01: New plumbing and drainage design were added. Plumbing - Upgrades of Toronto Water facilities server/computer room and supporting infrastructure
Applied Jun 22, 2022 · issued Jul 25, 2022 · completed Jan 16, 2026 · Permit 21 244865 PLB (revision 01)
- Closed
Plumbing
Plumbing - Upgrades of Toronto Water facilities server/computer room and supporting infrastructructure
Applied Dec 3, 2021 · issued Apr 7, 2022 · completed Jan 16, 2026 · Permit 21 244865 PLB
- Closed
Heating and ventilation
HVAC - Upgrades of Toronto Water facilities server/computer room and supporting infrastructructure
Applied Dec 3, 2021 · issued Apr 7, 2022 · completed Jan 15, 2026 · Permit 21 244865 HVA
- Closed
Addition or alteration · Interior alterations
Upgrades of Toronto Water facilities server/computer room and supporting infrastructructure
Applied Dec 3, 2021 · issued Apr 7, 2022 · completed Jan 16, 2026 · Permit 21 244865 BLD
- Closed
Drains and site services · Inside and outside drains
Drain - Proposal to construct 3 new buildings (311m2) for the purpose of process and electrical upgrades at the North Toronto Treatment Plant (City-Owned Wastewater Treatment Plant). New buildings to house electrical equipment for the plant, and not intended for regular occupancy. See related files 19-250586 ZPR and 20-117281 PSP.
Applied Jun 26, 2020 · issued Nov 12, 2020 · completed Oct 7, 2025 · Permit 20 160540 STS
- Closed
New building
Proposal to construct 3 new buildings (311m2) for the purpose of process and electrical upgrades at the North Toronto Treatment Plant (City-Owned Wastewater Treatment Plant). New buildings to house electrical equipment for the plant, and not intended for regular occupancy. See related files 19-250586 ZPR and 20-117281 PSP. (SPA not required)
Applied Jun 26, 2020 · issued Nov 12, 2020 · completed Sep 30, 2025 · Permit 20 160540 BLD
Show 15 more permits
- Closed
Heating and ventilation
HVAC - Proposal to construct 3 new buildings (311m2) for the purpose of process and electrical upgrades at the North Toronto Treatment Plant (City-Owned Wastewater Treatment Plant). New buildings to house electrical equipment for the plant, and not intended for regular occupancy. See related files 19-250586 ZPR and 20-117281 PSP.
Applied Jun 26, 2020 · issued Nov 12, 2020 · completed Oct 3, 2025 · Permit 20 160540 HVA
- Permit issued
Addition or alteration · Other
Proposal to construct a structural platform to house new mechanical filter system on the rooftop of existing industrial building - North Toronto Sewage Treatment Plant.
Applied May 17, 2013 · issued Sep 16, 2013 · Permit 13 170340 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal to construct a structural platform to house new mechanical filter system on the rooftop of existing industrial building - North Toronto Sewage Treatment Plant.
Applied May 17, 2013 · issued Sep 16, 2013 · Permit 13 170340 HVA
- Inspections under way
Drains and site services · Inside and outside drains
Proposal to instal new pipes for domestic water service and 2 backflow prevention devices.
Applied Aug 18, 2009 · issued Oct 22, 2009 · Permit 09 159460 STS
- Inspections under way
Addition or alteration · Multiple projects
Proposal to upgrade existing sodium hypochlorite storage containment, build new disinfection building, sodium bisulphite storage containments, chlorine contact tank, and related grading. North Toronto Wastewater Treatment Plan.
Applied Feb 26, 2009 · issued Mar 6, 2009 · Permit 09 112517 BLD
- Inspections under way
Drains and site services · Inside and outside drains
Drain - Proposal to upgrade existing sodium hypochlorite storage containment, build new disinfection building, sodium bisulphite storage containments, chlorine contact tank, and related grading. North Toronto Wastewater Treatment Plan.
Applied Feb 26, 2009 · issued Apr 1, 2009 · Permit 09 112517 STS
- Inspections under way
Plumbing
Plumbing - Proposal to upgrade existing sodium hypochlorite storage containment, build new disinfection building, sodium bisulphite storage containments, chlorine contact tank, and related grading. North Toronto Wastewater Treatment Plan.
Applied Feb 26, 2009 · issued Mar 25, 2009 · Permit 09 112517 PLB
- Closed (dormant)
Heating and ventilation
HVAC - Proposal to upgrade existing sodium hypochlorite storage containment, build new disinfection building, sodium bisulphite storage containments, chlorine contact tank, and related grading. North Toronto Wastewater Treatment Plan.
Applied Feb 26, 2009 · issued Apr 1, 2009 · completed Jun 8, 2026 · Permit 09 112517 HVA
- Closed (dormant)
Drains and site services · Inside and outside drains
Drain - Proposal for CSO tank improvements at North TorontoWastewater Treatment. 1) Building to house polymer equipment for CSO treatment pland. 2) Building to house electrical and instrumentation to operate CSO tank and polymer injection to combined sewage.
Applied Jan 20, 2009 · issued Feb 17, 2009 · completed Jun 8, 2026 · Permit 09 103614 STS
- Closed (dormant)
Heating and ventilation
HVAC - Proposal for CSO tank improvements at North TorontoWastewater Treatment. 1) Building to house polymer equipment for CSO treatment pland. 2) Building to house electrical and instrumentation to operate CSO tank and polymer injection to combined sewage.
Applied Jan 20, 2009 · issued Feb 17, 2009 · completed Jun 8, 2026 · Permit 09 103614 HVA
- Closed (dormant)
Plumbing
Plumbing - Proposal for CSO tank improvements at North TorontoWastewater Treatment. 1) Building to house polymer equipment for CSO treatment pland. 2) Building to house electrical and instrumentation to operate CSO tank and polymer injection to combined sewage.
Applied Jan 20, 2009 · issued Feb 17, 2009 · completed Jun 8, 2026 · Permit 09 103614 PLB
- Inspections under way
Addition or alteration · Multiple projects
Proposal for CSO tank improvements at North TorontoWastewater Treatment. 1) Building to house polymer equipment for CSO treatment pland. 2) Building to house electrical and instrumentation to operate CSO tank and polymer injection to combined sewage.
Applied Jan 20, 2009 · issued Feb 17, 2009 · Permit 09 103614 BLD
- Closed (dormant)
Heating and ventilation
HVAC - Construct new low-hazard storage facility; in connection with sewage treatment plant. - New Building
Applied Jul 26, 2005 · issued Sep 8, 2005 · completed Jun 8, 2026 · Permit 05 164142 HVA
- Inspections under way
Plumbing
Plumbing - Construct new low-hazard storage facility; in connection with sewage treatment plant. - New Building
Applied Jul 26, 2005 · issued Sep 8, 2005 · Permit 05 164142 PLB
- Inspections under way
New building
Construct new low-hazard storage facility; in connection with sewage treatment plant.
Applied Jul 25, 2005 · issued Sep 8, 2005 · Permit 05 164142 BLD
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
None on file since 2017.
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.