143 Niagara St

Part of Niagara Terraces

ListedToronto, Ontario · Register as of September 1, 2026

Is it a heritage property?

Yes. 143 Niagara St, Toronto is listed on the municipal heritage register.

Listed (non-designated) properties come off municipal registers on January 1, 2027 unless council issues a notice of intention to designate first, and can't be relisted for five years. Source: City of Toronto — Heritage Register, as of September 1, 2026.

80days until January 1, 2027, when listed properties without a notice of intention to designate come off the register. What that means

At a glance

Year built: 1890
Building height: about 13 m at its highest point (City of Toronto 3D massing)
Lot area: 147 m²
Neighbourhood: West Queen West
Heritage neighbours: 19 other heritage properties within 100 m
Ward: Ward 10 Spadina-Fort York
Comes off the register: January 1, 2027
Location: Matched to the municipal address

Part of Niagara Terraces, 1890;Description, from City of Toronto — Heritage Register

Building details from the municipality's register unless marked otherwise.

Condition on the ground

No condition reports yet.

A vacant or neglected heritage building can be reported to the municipality's property standards or by-law office (311 in most cities). Photos must be taken from public property and must not show people.

Community collection

No historic photos, documents or recollections yet. Do you have one?

Development applications

Site plan approval · filed November 19, 2021 · Under ReviewAbout 31 m away, at 125 Niagara St (the application covers 3 addresses) · 21 239771 STE 10 SASite Plan Control application for three mixed-use buildings with a total of 1,225 dwelling units and 3,370 square metres of non-residential gross floor area that are proposed to be constructed in two phases. Phase 1 is proposed to be 31 storeys (110.5 metres), and Phase 2 is…Application details
Official Plan or zoning by-law amendment · filed November 17, 2017 · ClosedAbout 31 m away, at 125 Niagara St (the application covers 3 addresses) · 17 264041 STE 19 OZThe revised Zoning Amendment By-law application proposes to redevelop the site with four buildings containing a mix of commercial, employment and residential uses, an on-site public park, a multi-use path, other pedestrian and cycling connections and two privately-owned,…Application details

From municipal open data (Open Government Licence – Toronto). An application is a proposal; it doesn't change the property's heritage status. Nearby means within 50 m.