Ontario heritage registers · St. Marys

Heritage properties in St. Marys

103 properties are listed on St. Marys's heritage register without being designated. In 80 days, on January 1, 2027, they come off the register unless council issues a notice of intention to designate first, and they can't be listed again for five years. What it means for owners.

103

listed and at risk, no notice yet

saved since 2023

lost since 2023

182

designated

Check an address in St. Marys

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The pace before January 1

Saved in the last 6 months: 0
Still without a notice: 103
Council meetings left: –
Lost at this pace: 103

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Projection: the six-month pace of notices and designations, continued to the deadline. Registers update with a lag.

Listed buildings at risk

100 Wellington Streetremoval date January 1, 2027
105 Water Street Southremoval date January 1, 2027
106 Wellington Streetremoval date January 1, 2027
111 Water Street Southremoval date January 1, 2027
111 Widder Street Eastremoval date January 1, 2027
112 Church Street Northremoval date January 1, 2027
121 Carroll Streetremoval date January 1, 2027
121 Ontario Street Southremoval date January 1, 2027
127 Wellington Streetremoval date January 1, 2027
130 Wellington Streetremoval date January 1, 2027
138 Wellington Streetremoval date January 1, 2027
139-141 Queen Street Westremoval date January 1, 2027

Streets with the most listed properties

Wellington St 10 listed
Widder St E 10 listed
Church St S 7 listed
Thomas St 7 listed
Jones St E 6 listed
Queen St E 6 listed
Queen St W 6 listed
Elgin St E 5 listed
Water St S 5 listed
Elizabeth St 4 listed

Recently saved

McLaren House, 140 Peel Street NorthJanuary 14, 2025
James Eaton House, 100 Church Street SouthJanuary 9, 2024
Hooper House, 285 Emily StreetJanuary 9, 2024

Help for owners

Owner guide: what listing, the January 1, 2027 deadline and designation mean for you, and where to ask about grants.

Source and how current it is

Not yet confirmed by St. Marys's staff; we check it against the sources below. The full register · How we build it

Town of St. Marys — Municipal Register of Heritage Designated Properties, as of September 23, 2026 · updated when the municipality publishes a new edition · Municipal heritage register published by the municipality (Ontario Heritage Act s.27); facts only
Heritage register information from the Town of St. Marys's published register. Coordinates: Statistics Canada, National Address Register, June 2026, used under the Statistics Canada Open Licence.

We fix confirmed mistakes within two business days and note the change on the property's page. Not legal advice. Confirm status with the municipality.