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421 MARKHAM ST

Revision Issued

Last refreshed on May 24, 2026

Permit number
23 230052 PLB
Permit type
Plumbing(PS) · 3+ Unit - Detached
Applied
2025-10-29
Issued
2025-12-22

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Timeline

  1. Applied

    2025-10-29

  2. Issued

    2025-12-22

  3. Completed

    Not available

Project description

Plumbing Revision 01 - Change of proposed use from fourplex to fiveplex; Revision to basement drainage layout and backwater valves from 1 unit to 2 units. --------------------------------------------------------------------------Plumbing - Proposed demolition of existing 2.5 storey single family dwelling and construct a new 3-storey fourplex and 2-storey laneway suite at rear.See also 23- , 22-121983 ZAP & 22-209068 STE 11 MV.

Permit fields

City area grid code
S1133
Current use
Vacant
Postal code
M6G
Proposed use
Fourplex
Record created
2026-05-24T02:15:56.187019+00:00
Revision
1
Street name
MARKHAM
Street number
421
Street type
ST
Work
Building Permit Related(PS)
Street (from open data)
421 MARKHAM ST

Not a municipal ward number.

Permit rows reflect datasets published through the City's open data program (typically via CKAN), loaded into this app's database. They are not a live feed from City permit counters.

open.toronto.ca dataset ↗