423 Markham St
An address in Palmerston-Little Italy, outside TRCA flood and shoreline hazard areas, with 1 active development application within 250 metres.
Data as of Nov 7, 2026 · Every item lists its source
- Outside TRCA flood and shoreline hazard areas.
- 1 active development application and 1 Committee of Adjustment application within 250 m.
01The building
Recent permits (6)
- Building Permit Related(MS) · Closed · Aug 6, 2024
HVAC - Proposal for basement walk-out and front porch underpinning · Permit 22 234511 HVA - Multiple Projects · Closed · Feb 2, 2024
REVISION 02 TO PERMIT # 22 234511 - 2 STOREY REAR ADDITION AND BASEMENT UNIT NTERIOR RENOVATION AND UNDERPINNING. REVISION TO PERMIT # 22 234511 (370 SM INT RENO, 20.57M UNDERPINNING) · Permit 22 234511 BLD - Building Permit Related(PS) · Closed · Dec 18, 2023
Plumbing - Proposal for basement walk-out and front porch underpinning · Permit 22 234511 PLB - Building Permit Related (DR) · Closed · Aug 2, 2023
Drain - Proposal for basement walk-out and front porch underpinning · Permit 22 234511 DRN - Multiple Projects · Closed · Jun 2, 2023
NTERIOR RENOVATION AND UNDERPINNING. REVISION TO PERMIT # 22 234511 (370 SM INT RENO, 20.57M UNDERPINNING) · Permit 22 234511 BLD - Multiple Projects · Closed · Feb 1, 2023
Proposal for basement walk-out and front porch underpinning · Permit 22 234511 BLD
02Risks and the ground
TRCA mapping is for screening, not site-specific decisions. Lead results are voluntary samples from homes in the postal area, not this address.
03What’s changing nearby
- 1736 Bathurst St · 108 m · Official Plan / Rezoning · Under ReviewZoning By-law Amendment for a 40-storey mixed-use building containing 386 rental dwelling units and cultural/commercial space at-grade. The existing Bathurst Methodist Church will be retained.File 26 207766 STE 11 OZ · submitted Jul 23, 2026 · City record
- 2541 Euclid Ave · 213 m · Committee of Adjustment · Minor variance · PostponedTo construct a new two-storey ancillary building (containing one laneway suite), abutting the laneway, in the rear yard of the existing two-and-one-half-storey detached dwelling. There will be two bicycle parking spaces in the rear yard,…File A0680/26TEY · submitted Sep 17, 2026
Development Applications; Committee of Adjustment Applications · 22 registered short-term rentals within 250 m.
04City services
05Quick answers about 423 Markham St
Is 423 Markham St in a flood plain?
No. It is outside TRCA's mapped flood and shoreline hazard areas. Source: TRCA Regulation mapping 2025.
What is being built near 423 Markham St?
1 active development application within 250 metres, the closest at 736 Bathurst St (108 m). Source: Development Applications.
When is garbage day at 423 Markham St?
Collection calendar Thursday 1. Next garbage pickup: Nov 19, 2026. Source: Solid Waste Collection Schedule.
Answers are generated from the data on this page and update when the data changes.
06From the archives





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