Street · 2709 of 8,516 by permit count
Building permits on Thornhill Ave, York
The City of Toronto has 66 building permits on record for Thornhill Ave in York, going back to 2000. Those permits created 1 homes and removed 0, a net change of +1. Declared construction value totals $2.1M. Half of the 65 permits issued here came through within 8 days of the application. The most recent permit was issued Oct 24, 2025 at 22 Thornhill Ave.
- Permits on record
- 662000–2025
- Declared construction value
- $2.1Mas filed, not adjusted
- Homes created
- 1dwelling units
- Homes removed
- 0net +1
- Typical wait
- 8 days19 days faster than the city
Permits issued per year
20002025 (part year)
Zoning
- Most common zone
- RD100.0% of permits · by-law 10.20
- In detached-house zones
- 100.0%62.0% above the city’s 38.0%
- Permits with a zone
- 66of 66 on record
The zoning categories the permits on Thornhill Ave fall in, under Zoning By-law 569-2013. These are the City's own category names. This counts permits, not land: it says where the building work happened under which rules, not how the area is carved up. What each zone allows, and what gets built in it.
Most common work
Structures worked on
Postal areas
Other streets in M6S
Warren Cres75 permits
Brule Cres74 permits
Langmuir Cres67 permits
Montye Ave67 permits
Weatherell St63 permits
Bridgeview Rd62 permits
Halford Ave60 permits
Pasadena Gdns60 permits
Looking for one address on Thornhill Ave? The address lookup shows every permit filed against a single house or building number.
Most recent permits
| Issued | Work | What was filed | Value | Status |
|---|---|---|---|---|
| Oct 24, 2025 | Deck | PROPOSED TO LEGALIZE AN AS-BUILT EXTERIOR FRONT YARD WOOD DECK | $2K | Closed |
| Jul 22, 2025 | Addition(s) | Revision 01 - To amend the size of the stairs and landing.Proposal to enclose existing porch as interior space.See also 24-128574 ZAP 00 ZR and 24-145312 STE 04 MV | — | Closed |
| Apr 30, 2025 | Building Permit Related(MS) | Rev 01: New HVAC layout HVAC - Proposal for a rear two storey addtion to existing 2-storey dwelling | — | Closed |
| Sep 25, 2024 | Addition(s) | PROPOSING ENCLOSURE OF EXISTING PORCH AS INTERIOR SPACE. | $30K | Closed |
| Aug 16, 2024 | Addition(s) | Proposal for a rear two storey addtion to existing 2-storey dwelling | $400K | Closed |
| Aug 16, 2024 | Building Permit Related(PS) | Plumbing - Proposal for a rear two storey addtion to existing 2-storey dwelling | — | Closed |
| Jul 27, 2023 | Deck | PROPOSE REAR YARD DECK | $10K | Closed |
| Apr 19, 2022 | Back Water Valve (Sewer only) | Proposal for Backwater Valve. | — | Closed |
| Oct 26, 2021 | Back Water Valve (Sewer only) | Proposal to install BWV | — | Open |
| Sep 20, 2021 | Multiple Projects | Proposal for a new 1 storey rear addition and a new deck at the rear of an existing 2 storey SFD-detached dwelling. See also 21 112254 ZZC and 21 121426 MV. | $100K | Closed |
| Sep 20, 2021 | Building Permit Related(MS) | HVAC -Proposal for a new 1 storey rear addition and a new deck at the rear of an existing 2 storey SFD-detached dwelling. See also 21 112254 ZZC and 21 121426 MV. | — | Closed |
| Apr 26, 2021 | Interior Alterations | Proposed replacement of wood basement beam with steel beam in existing SFD | $22K | Open |
| Mar 4, 2021 | Back Water Valve (Sewer only) | Proposal to install a BWV for existing SFD | — | Closed |
| Dec 8, 2020 | Building Permit Related(MS) | REV #1-REVISE LAYOUTHVAC - Two storey rear addition and deck, interior alterations and bathroom renovation on second floor. | — | Closed |
| Nov 13, 2020 | Multiple Projects | Two storey rear addition and deck, interior alterations and bathroom renovation on second floor. | $200K | Closed |
| Nov 13, 2020 | Building Permit Related(PS) | Plumbing - Two storey rear addition and deck, interior alterations and bathroom renovation on second floor | — | Closed |
| Mar 4, 2020 | Interior Alterations | Proposed interior alterations and replacement of two windows in the rear on the main floor of the existing single family detached dwelling. | $15K | Closed |
| Jul 2, 2019 | Interior Alterations | Proposed interior alterations to remove load bearing walls | $80K | Closed |
| Aug 21, 2018 | Multiple Projects | Proposed basement underpinning and interior alterations to the basement and ground floor | $200K | Closed |
| Aug 21, 2018 | Building Permit Related(PS) | Plumbing - Proposed basement underpinning and interior alterations to the basement and ground floor | — | Open |
| Aug 21, 2018 | Building Permit Related (DR) | Drain - Proposed basement underpinning and interior alterations to the basement and ground floor | — | Open |
| Aug 8, 2018 | Building Permit Related(MS) | HVAC - Proposal to construct a new two storey dwelling | — | Closed |
| May 30, 2018 | Building Permit Related(PS) | REV. #1: Proposed new powder room on ground floor.Plumbing - Proposal to do interior alterations and replace windows and door in exsiting openings | — | Closed |
| May 23, 2018 | Interior Alterations | REV. #1: Proposed structural changes and a new powder room on ground floor.Proposal to do interior alterations and replace windows and door in exsiting openings | — | Closed |
| Jan 29, 2018 | Interior Alterations | Revision - steel column and posts removed , new exterior 2X4 walls plus sistered existin floor joists. Attic joists reinforced.Proposal for interior alterations to existing SFD-Detached dwelling. | — | Closed |
| Dec 6, 2017 | Demolition | Proposal to construct a new two storey dwelling | — | Demolition |
| Dec 6, 2017 | Building Permit Related (DR) | Drain - Proposal to construct a new two storey dwelling | — | Closed |
| Dec 6, 2017 | New Building | Proposal to construct a new two storey dwelling | $500K | New build |
| Dec 6, 2017 | Building Permit Related(PS) | Plumbing - Proposal to construct a new two storey dwelling | — | Closed |
| Sep 26, 2017 | Building Permit Related(PS) | Plumbing - Proposal for interior alterations to existing SFD-Detached dwelling. | — | Closed |
| Aug 22, 2016 | Building Permit Related(MS) | HVAC - Proposal for interior renovations/alterations including removal of load-bearing walls (ground floor), installation of new steel column in basement and ground floor, new 2-piece bathroom (basement), renovated kitchen, add 2nd bathroom on 2nd floor. No exterior work except new vinyl siding (2nd | — | Closed |
| Aug 15, 2016 | Multiple Projects | Proposal for interior renovations/alterations including removal of load-bearing walls (ground floor), installation of new steel column in basement and ground floor, new 2-piece bathroom (basement), renovated kitchen, add 2nd bathroom on 2nd floor. No exterior work except new vinyl siding (2nd floor | $100K | Closed |
| Aug 15, 2016 | Building Permit Related(PS) | Plumbing - Proposal for interior renovations/alterations including removal of load-bearing walls (ground floor), installation of new steel column in basement and ground floor, new 2-piece bathroom (basement), renovated kitchen, add 2nd bathroom on 2nd floor. No exterior work except new vinyl siding | — | Closed |
| Jul 21, 2015 | Back Water Valve (Sewer only) | To install 1Back Water Valve (Sewer only). | — | Closed |
| Jun 2, 2015 | Back Water Valve (Sewer only) | To install (1) Back Water Valve (Sewer only). | — | Closed |
| Mar 24, 2015 | Addition(s) | Proposed construction of a one storey rear addition (19.42m2) and new deck in rear yard of single family detached dwelling. | $100K | Closed |
| Nov 3, 2014 | Building Permit Related(MS) | HVAC - Interior alteration to bathroom area on second floor. | — | Closed |
| Nov 3, 2014 | Building Permit Related(PS) | Plumbing - Interior alteration to bathroom area on second floor including installation of kitchen sink and dishwasher on ground floor. | — | Open |
| Nov 3, 2014 | Interior Alterations | Interior alteration to bathroom area on second floor. | $80K | Open |
| May 26, 2014 | Garage | Revision 02; Enlarge proposed rear detached garage-proposed width 12'-0". (To construct new rear detached garage to single family dwelling.) | — | Closed |
The 40 most recent of 66 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.
Every address on Thornhill Ave with a permit on record · 24
- 2 Thornhill Ave1 permit · to 2015
- 3 Thornhill Ave4 permits · to 2021
- 5 Thornhill Ave4 permits · to 2014
- 7 Thornhill Ave3 permits · to 2016
- 8 Thornhill Ave5 permits · to 2013
- 11 Thornhill Ave3 permits · to 2015
- 12 Thornhill Ave1 permit · to 2006
- 13 Thornhill Ave3 permits · to 2012
- 14 Thornhill Ave1 permit · to 2023
- 22 Thornhill Ave2 permits · to 2025
- 26 Thornhill Ave2 permits · to 2021
- 32 Thornhill Ave3 permits · to 2015
- 33 Thornhill Ave1 permit · to 2020
- 35 Thornhill Ave1 permit · to 2022
- 36 Thornhill Ave4 permits · to 2018
- 37 Thornhill Ave1 permit · to 2000
- 39 Thornhill Ave2 permits · to 2018
- 41 Thornhill Ave5 permits · to 2018
- 42 Thornhill Ave3 permits · to 2013
- 43 Thornhill Ave5 permits · to 2025
- 46 Thornhill Ave2 permits · to 2021
- 47 Thornhill Ave5 permits · to 2020
- 48 Thornhill Ave3 permits · to 2025
- 49 Thornhill Ave2 permits · to 2008