357 Blackthorn Ave

Building permits

Every permit the City lists for this address since 2017, and any still open from before, newest first.

• Drains and site services · Back water valve (Sewer only)

  Installation of back water valve, sump pump and sanitary replacement

  Applied Jun 17, 2021 · issued Jun 21, 2021 · completed Jun 24, 2021 · Permit 21 172033 DRN

  Closed

• Drains and site services · Back water valve (Sewer only)

  Install a back water valve.

  Applied Jan 12, 2018 · issued Jan 12, 2018 · completed Jan 16, 2018 · Permit 18 104429 DRN

  Closed

• Small residential project · Garage

  Demolish and rebuild garage at rear

  Applied Jun 10, 2003 · issued Jun 10, 2003 · completed Feb 11, 2026 · Permit 03 142439 BLD

  Closed

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

• 343 Blackthorn Ave · Minor variance

  To construct a new fourplex and a new as of right garden suite in the rear.

  50 m away · filed May 8, 2026 · Approved

• 405 Silverthorn Ave · Minor variance

  To construct a new two-storey garden suite in the rear yard that will include an attached garage. The existing detached garage and shed will be demolished.

  250 m away · filed Oct 17, 2025 · Approved

• 402 Blackthorn Ave · Minor variance

  To enclose the existing rear porch.

  160 m away · filed Mar 18, 2025 · Approved

• 342 Gilbert Ave · Minor variance

  To alter the existing two-storey ancillary building (detached garage), abutting Bronco Avenue, by converting the second floor into a new second storey garden suite, constructing a front (east) walkout, and reconstructing the exterior south side staircase. The garage area would remain on the ground level of the ancillary building. The existing one-storey detached main dwelling on the property would remain unaltered.

  230 m away · filed Aug 2, 2023 · Approved

• 320 Silverthorn Ave · Minor variance

  To alter the existing two-storey detached dwelling (within the Commercial/Residential (CR) zone) by constructing a rear two-storey addition with ground and second storey rear balconies, and a side (south) parking pad. Also, to alter the existing storage shed located in the rear yard.

  230 m away · filed May 12, 2023 · Approved

• 20 Kenora Cres · Minor variance

  To construct a two-storey rear addition and a new front porch.

  130 m away · filed Oct 5, 2022 · Approved

• 357 Silverthorn Ave · Minor variance

  To construct a new dwelling with an integral garage.

  130 m away · filed Aug 11, 2022 · Approved

• 5 Kenora Cres · Minor variance

  To maintain an existing ancillary structure (outside storage) in the rear yard.

  70 m away · filed Mar 25, 2022 · Deferred

Everything planned in York South-Weston