Toronto address · Ward 16, Don Valley East
21 Marthclare Ave
The City of Toronto has 9 building permits since 2017 (9 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 - Proposal to construct a new one storey garden suite complete with a rear yard deck.
Applied Jul 16, 2025 · issued May 4, 2026 · Permit 25 194887 PLB
- Permit issued
Small residential project · New laneway / rear yard suite
Proposal to construct a new one storey garden suite.
Applied Jul 16, 2025 · issued May 4, 2026 · 1 home added · Permit 25 194887 BLD
- Response received
Drains and site services
Drain - Proposal to construct a new one storey garden suite complete with a rear yard deck.
Applied Jul 16, 2025 · Permit 25 194887 DRN
- Permit issued
Heating and ventilation
HVAC - Proposal to construct a new one storey garden suite complete with a rear yard deck.
Applied Jul 16, 2025 · issued Jun 16, 2026 · Permit 25 194887 HVA
- Permit issued
New house · New building
Proposal for a new 2 storey 3 Unit-Detached.
Applied Jun 16, 2025 · issued Feb 23, 2026 · 3 homes added · Permit 25 177933 BLD
- Permit issued
Drains and site services
Drain - Proposal for a new 2 storey 3 Unit-Detached.
Applied Jun 16, 2025 · issued Feb 23, 2026 · Permit 25 177933 DRN
- Issuance pending
Demolition
Proposal for a new 2 storey 3 Unit-Detached.
Applied Jun 16, 2025 · 1 home removed · Permit 25 178131 DEM
- Permit issued
Heating and ventilation
HVAC - Proposal for a new 2 storey 3 Unit-Detached.
Applied Jun 16, 2025 · issued Feb 23, 2026 · Permit 25 177933 HVA
- Permit issued
Plumbing
Plumbing - Proposal for a new 2 storey 3 Unit-Detached.
Applied Jun 16, 2025 · issued Feb 23, 2026 · Permit 25 177933 PLB
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
- Approved
4 storeys · 222 homes · Residential
500 m away · Condominium · Approved · filed Apr 10, 2024
Neighbours’ Committee of Adjustment files within 250 m
60 Roanoke Rd · Minor variance
To construct a second storey addition to the existing dwelling.
190 m away · filed May 10, 2021 · Approved
47 Marthclare Ave · Minor variance
To construct a detached dwelling.
200 m away · filed Feb 18, 2021 · Approved
1260 Lawrence Ave E · Minor variance
To conduct interior and exterior modifications including a new front yard addition to the existing structure. Note, this file was previously deferred on May 9, 2019 in order to allow the applicant an opportunity to meet with City Planning to discuss their concerns.
240 m away · filed Mar 12, 2019 · conditional approval
1252 Lawrence Ave E · Minor variance
To allow 50 surface parking spaces.
200 m away · filed Apr 26, 2018 · Approved
52 Roanoke Rd · Minor variance
To construct a new second storey addition and a new first storey addition with garage to the existing dwelling.
200 m away · filed Apr 26, 2017 · Approved
91 Roanoke Rd · Minor variance
To construct a new two-storey addition to the rear of the existing dwelling.
230 m away · filed Nov 24, 2016 · Approved
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.