Toronto address · Ward 5, York South-Weston
104 William St
The City of Toronto has 3 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
Heating and ventilation
HVAC - Proposal to construct a rear one storey addition and deck.
Applied Oct 11, 2018 · issued Oct 16, 2018 · completed Jan 21, 2019 · Permit 18 175377 HVA
- Closed
Small residential project · Addition(s)
Revision #01 - Revision to permit as per attached.Proposal to construct a rear one storey addition and deck.
Applied Oct 2, 2018 · issued Oct 11, 2018 · completed Jan 21, 2019 · Permit 18 175377 BLD (revision 01)
- Closed
Small residential project · Addition(s)
Proposal to construct a rear one storey addition and deck.
Applied Jun 11, 2018 · issued Jul 24, 2018 · completed Jan 21, 2019 · Permit 18 175377 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
53 storeys · 463 homes · Mixed use
350 m away · Site plan · Under review · filed Sep 21, 2021
Neighbours’ Committee of Adjustment files within 250 m
29 William St · Minor variance
To construct a two storey rear addition, a second storey addition above the existing dwelling, and an attached garage along the west side of the dwelling.
240 m away · filed Feb 28, 2025 · Deferred
105 John St · Minor variance
To construct a two-storey rear addition and to enclose an existing front porch.
200 m away · filed Sep 6, 2023 · Approved
46 William St · Minor variance
To construct a second storey addition above the existing dwelling, a two-storey rear addition and a new two-storey ancillary building in the rear yard which contains a garage located on the first storey and a garden suite located on the second storey.
200 m away · filed May 3, 2023 · Approved
45 William St · Minor variance
To construct a garden suite in the rear yard.
200 m away · filed Jan 13, 2023 · Refused
24 Boyd Ave · Minor variance
To construct a new two-storey east side addition and a second storey over the existing dwelling.
240 m away · filed Nov 21, 2018 · Approved
122 William St · Minor variance
To maintain two secondary suites within the existing dwelling.
90 m away · filed May 24, 2018 · Approved
136 John St · Minor variance
To construct a new ancillary building (pool cabana) in the rear yard.
130 m away · filed Sep 7, 2017 · Approved
45 William St · Minor variance
To construct a second storey addition above the existing dwelling and a new rear deck.
200 m away · filed Jul 4, 2017 · 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.