Toronto address · Ward 9, Davenport
42 Boon Ave
The City of Toronto has 4 building permits since 2017 (4 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.
- Revision issued
Small residential project · Addition(s)
**Revision 01 - Revised to add bedroom in exsting attic space and dormer at front. Proposed two storey rear addition and deck.
Applied Feb 11, 2011 · issued Feb 15, 2012 · Permit 09 173774 BLD (revision 01)
- Inspections under way
Heating and ventilation
HVAC - 2 storey rear addition and deck to existing two storey detached dwelling.
Applied Feb 11, 2011 · issued Mar 3, 2011 · Permit 09 173774 HVA
- Inspections under way
Plumbing
Plumbing - 2 storey rear addition and deck
Applied Sep 30, 2009 · issued Dec 9, 2009 · Permit 09 173774 PLB
- Inspections under way
Small residential project · Addition(s)
Proposed two storey rear addition and deck.
Applied Sep 29, 2009 · issued Dec 9, 2009 · Permit 09 173774 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
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
133 Boon Ave · Minor variance
To legalize and to maintain the rear fourth storey addition with a rooftop terrace (on the roof of the third storey), of the existing three-and-one-half-storey semi-detached dwelling (basement level is considered the first storey), that was constructed without an authorized building permit. Also, to permit the rear two-storey addition (located at the rear of the second and third storeys of the dwelling) that was constructed beyond the limits of an authorized building permit (19 212470 BLD 00 SR).
250 m away · filed Jun 4, 2026 · Approved
120 Mackay Ave · Minor variance
To construct a new two-storey detached ancillary building (containing one laneway suite), in the rear yard, abutting the laneway. This ancillary building will have a partially cantilevered second storey (at the west portion of the building), and canopies at the north and south sides of the building. There will be a total of five residential dwelling units on this lot (four units within the main detached dwelling and one unit within the ancillary building).
230 m away · filed Feb 6, 2026 · Approved
136 Ascot Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by enclosing the rear ground terrace into habitable space. The existing one-storey ancillary building (attached garage in the rear yard, abutting Nairn Avenue) will be maintained and unaltered.
220 m away · filed Dec 2, 2024 · Approved
151 Ascot Ave · Minor variance
To construct a three-storey semi-detached apartment building with a front basement walkout, and front and rear balconies on the ground, second, and third levels. Also, to construct a two-storey semi-detached ancillary building (to contain one laneway suite) in the rear yard, abutting the laneway. There will be a total of five residential dwelling units on this lot (four units within the main building and one unit within the ancillary building).
250 m away · filed Nov 20, 2024 · Approved
151 Ascot Ave · Consent
To obtain consent to sever the property into two undersized residential lots.
250 m away · filed Nov 20, 2024 · Approved
151 Ascot Ave · Minor variance
To construct a three-storey semi-detached building (fourplex) with a front basement walkout, and front and rear balconies on the ground, second, and third levels. Also, to construct a two-storey semi-detached ancillary building (to contain one laneway suite) in the rear yard, abutting the laneway. There will be a total of five residential dwelling units on this lot (four units within the main dwelling and one unit within the ancillary building).
250 m away · filed Nov 20, 2024 · Approved
70 Boon Ave · Minor variance
To construct a parking pad in the front yard of the existing two-and-one-half-storey semi-detached dwelling.
80 m away · filed Mar 28, 2023 · Withdrawn
1305 St Clair Ave W · Minor variance
To alter the existing two-storey mixed-use building by constructing a rear second storey addition for residential purposes. There will be four dwelling units on this lot.
250 m away · filed Jan 19, 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.