Toronto address · Ward 14, Toronto-Danforth
25 Mountalan Ave
The City of Toronto has 5 building permits since 2017 and 1 Committee of Adjustment file 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
Small residential project · Underpinning
REV 01 - Underpin added to whole basement (length of underpinning 20.04m)To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Applied Oct 19, 2023 · issued Oct 31, 2023 · completed Feb 26, 2025 · Permit 23 178867 BLD (revision 01)
- Closed
Heating and ventilation
HVAC - To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Applied Jul 24, 2023 · issued Aug 9, 2023 · completed Nov 1, 2024 · Permit 23 178867 HVA
- Closed
Plumbing
Plumbing - To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Applied Jul 24, 2023 · issued Aug 4, 2023 · completed Nov 12, 2024 · Permit 23 178867 PLB
- Closed
Small residential project · Multiple projects
To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Applied Jul 24, 2023 · issued Aug 4, 2023 · completed Feb 26, 2025 · Permit 23 178867 BLD
- Closed
Drains and site services
Drain - To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Applied Jul 24, 2023 · issued Aug 4, 2023 · completed Feb 21, 2024 · Permit 23 178867 DRN
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · R addition
To alter the existing two-storey semi-detached dwelling by constructing a new two-storey cantilevered rear addition and a rear ground level covered deck.
Decision: Approved (hearing Apr 5, 2023)
Filed Jan 13, 2023 · File A0058/23TEY
What’s planned nearby
Development sites within 500 m
- Approved
4 storeys · 42 homes · Residential
380 m away · Site plan · Approved · filed Jun 25, 2024
- Approved
14 storeys · 81 homes · Mixed use
400 m away · Site plan · Approved · filed Oct 1, 2024
- Approved
13 storeys · Mixed use
440 m away · Site plan · Approved · filed Mar 24, 2022
Neighbours’ Committee of Adjustment files within 250 m
10 Felstead Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a new enclosed front porch addition with stairs, and a rear two-storey addition with a ground floor deck with stairs.
60 m away · filed Jul 30, 2026 · Hearing scheduled
16 Lamb Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear first floor addition and a rear third storey addition with a rear roof deck. Also, to construct a new one-storey ancillary building (detached garage with storage/workshop space) in the rear yard, abutting the public laneway. The existing ancillary building (shed) in the rear yard will be demolished.
150 m away · filed Apr 14, 2026 · Approved
473 Greenwood Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear second storey addition, a complete third storey addition, and a new rear ground floor deck with stairs.
180 m away · filed Feb 6, 2026 · Approved
80 Lamb Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear two-storey addition with a rear ground level deck and stairs, and a rear second storey balcony. Also, to construct a new two-storey ancillary building containing one laneway suite with a rear second storey balcony, and a rooftop equipment area, in the rear yard, abutting the laneway. There will be a total of two residential dwelling units (one unit within the main dwelling and one unit within the ancillary building) on this lot.
180 m away · filed Mar 21, 2025 · Approved
584 Greenwood Ave · Minor variance
To legalize and to maintain the rear one-storey addition with a basement walkout enclosure, and a rear ground floor deck with stairs, which is currently under construction, without the benefit of an authorized building permit. There will be a total of two residential dwelling units (one primary unit and one secondary suite located within the basement).
210 m away · filed Jun 14, 2024 · Application withdrawn
58 Torbrick Rd · Minor variance
To construct a one-storey ancillary building (detached garage) in the rear yard, abutting the laneway.
240 m away · filed May 28, 2024 · Approved
519 Greenwood Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear second storey addition.
80 m away · filed Mar 27, 2023 · Approved
144 Gillard Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear second story addition, a third storey addition (dormers), a covered front porch, a rear third floor deck, and rear stairs leading to a ground floor patio that will replace the existing rear ground floor deck.
250 m away · filed Feb 16, 2023 · 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.