Toronto address · Ward 19, Beaches-East York
4 Keystone 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.
- Inspections under way
Plumbing
Plumbing - construct rear 2 storey addition (72 sq. m.) APPLICANT TO SUBMIT REVISED SITE PLAN. - Addition(s) (Install 4" sanitary drain, 3/4" water service and install fixtures (see attached list)see 03 - 133021
Applied Jan 21, 2004 · issued Jan 23, 2004 · Permit 03 111031 PLB
- Inspections under way
Heating and ventilation
HVAC - construct rear 2 storey addition (72 sq. m.) APPLICANT TO SUBMIT REVISED SITE PLAN. - Addition(s) (install h.v.a.c. system) see 03 - 133021
Applied Jan 21, 2004 · issued Jan 28, 2004 · Permit 03 111031 HVA
- Inspections under way
Small residential project · Underpinning
Excavate to lower basement and underpin (using bench type underpinning along party wall)
Applied May 14, 2003 · issued May 26, 2003 · Permit 03 133021 BLD
- Inspections under way
Small residential project · Addition(s)
construct rear 2 storey addition (72 sq. m.) APPLICANT TO SUBMIT REVISED SITE PLAN.
Applied Feb 26, 2003 · issued Jul 7, 2003 · Permit 03 111031 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
2078-2106 Danforth Avenue and 985 Woodbine Avenue
35 storeys · 601 homes · Mixed use
180 m away · Site plan · Under review · filed Dec 18, 2024
- Approved
Neighbours’ Committee of Adjustment files within 250 m
29 Iona Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear one-storey addition with a basement addition below.
170 m away · filed May 12, 2026 · Approved
24 Cedarvale Ave · Minor variance
To alter the existing two-storey detached dwelling by enclosing the front porch into habitable space. Also, to construct a new front landing with stairs.
150 m away · filed Feb 26, 2026 · Approved
985 Woodbine Ave · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 1212-2024) for a mixed-use building (10 and 35-storeys, connected by a one-storey podium), by increasing the height of the northwest and southeast corners of the 35-storey tower (Building A) by removing the chamfering of the tower element on levels 9 to 35. Also, to reduce the required width and horizontal clearance dimensions of stacked and vertical bicycle parking spaces. There will be a total of 601 rental dwelling units on this lot, including 14 rental replacement units and 12 affordable rental units. A Site…
210 m away · filed Sep 10, 2025 · Approved
38 Cedarvale Ave · Consent
To obtain consent to sever the property into two lots.
100 m away · filed Apr 7, 2025 · Approved
666 Strathmore Blvd · Minor variance
To construct a one-and-one-half-storey ancillary building (to contain one laneway suite) in the rear yard, abutting the laneway. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling and one unit within the ancillary building). The existing detached garage will be demolished.
240 m away · filed Feb 26, 2025 · Approved
10 Patricia Dr · Minor variance
To alter the existing two-storey semi-detached dwelling by partially enclosing the existing covered front porch. Also, to construct a new covered porch to replace the remaining area, front porch stairs, and a front ground floor bay window.
220 m away · filed Jul 4, 2023 · Approved
10 Coleridge Ave · Minor variance
To convert the existing two-storey detached dwelling from one-unit into two-units by installing one secondary suite on the second and third levels by constructing a third storey addition (dormers).
240 m away · filed Feb 9, 2023 · Approved
670 Strathmore Blvd · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear second storey addition over the existing rear one-storey portion of the dwelling (that will be cantilevered).
230 m away · filed Jul 26, 2022 · 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.