Toronto address · Ward 12, Toronto-St. Paul's
23 Mc Master Ave
The City of Toronto has 2 building permits since 2017 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.
- Closed
Drains and site services · Back water valve (Sewer only)
Proposal to install a back water valve
Applied May 24, 2017 · issued May 24, 2017 · completed Jun 30, 2017 · Permit 17 165152 DRN
- Revocation pending
Small residential project · Porch
Proposed new concrete porch with new roof.
Applied Apr 5, 2011 · issued May 4, 2011 · Permit 11 166026 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
- Under review
183-189 Avenue Road and 109-111 Pears Avenue
11 storeys · 18 homes · Mixed use
450 m away · Site plan · Under review · filed Oct 25, 2021
- Under review
9 storeys · 23 homes · Residential
460 m away · Condominium · Under review · filed Oct 28, 2021
- Under review
220-234 Davenport Road and 148-158 Avenue Road
38 storeys · 110 homes · Mixed use
460 m away · Site plan · Under review · filed Jul 2, 2021
Neighbours’ Committee of Adjustment files within 250 m
14 Dupont St · Minor variance
To convert the existing two-and-one-half-storey non-residential (commercial) building into a mixed-use building by constructing complete fourth and fifth storey (mechanical penthouse) additions, and a front second storey terrace. Also, to construct a rear three-storey addition (including a basement) with third and fourth storey terraces, and a rear fifth storey rooftop terrace (including a green roof). The existing restaurant will continue to occupy the basement and ground floor levels (including the existing front outdoor patio and a new outdoor patio addition along the east side of the lot)…
190 m away · filed May 11, 2026 · Approved
23 Poplar Plains Cres · Minor variance
To alter the existing three-storey detached dwelling by constructing a rear two-storey addition (above the existing rear one-storey addition) with juliet balconies at the second and third storeys. The existing rear second storey outdoor terrace will be converted into habitable space. Also, to construct third storey dormers, and a new front porch canopy.
200 m away · filed Feb 25, 2026 · Approved
21 Dupont St · Minor variance
To permit and to maintain the existing conversion of the rear two-car integral garage of the existing two-and-one-half-storey semi-detached dwelling into a one-car garage with a separate habitable space (kitchen extension). Also, to permit and to maintain the existing rear ground floor covered (awning) deck with stairs and the rear ancillary building (shed). Also, to reconstruct the existing rear second storey roof deck above the garage and the existing third storey roof deck.
230 m away · filed Dec 3, 2025 · Approved
12 Mc Master Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear two-storey addition, a rear third storey addition (one dormer above the two-storey addition), and a rear ground floor deck with stairs (the existing rear ground floor deck will be demolished).
60 m away · filed Oct 3, 2025 · Approved
249 Bedford Rd · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear third storey addition and a rear third floor balcony.
250 m away · filed Oct 1, 2025 · Approved
77 Poplar Plains Cres · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing front and rear third storey additions, and a rear second and third storey addition. The existing rear one-storey ancillary building (detached garage) will be maintained and unaltered.
220 m away · filed May 5, 2025 · Approved
284 Avenue Rd · Minor variance
To convert the existing three-storey semi-detached mixed-use building (containing one residential dwelling unit and one commercial unit) into a triplex (containing three residential dwelling units) by installing a new basement dwelling unit.
120 m away · filed Feb 7, 2025 · Approved
39 Poplar Plains Cres · Minor variance
To construct a new three-storey detached dwelling with a covered front porch and stairs, rear ground floor stairs, and a rear third floor balcony. Also, to construct a one-storey ancillary building (attached garage to the abutting garage at 41 Poplar Plains Crescent) in the rear yard.
200 m away · filed Jan 20, 2025 · 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.