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Heritage conservation district

St. Clair Avenue Heritage Conservation District

The St. Clair Avenue Heritage Conservation District covers 22 properties on the City of Hamilton's heritage register, designated under Part V of the Ontario Heritage Act; most carry By-law 86-125 in the register.

Last checked October 8, 2026City of HamiltonHow we know
Publisher
City of Hamilton
Source dataset
Heritage Properties (open data layer)
Retrieved
October 8, 2026
Licence
City of Hamilton Open Data Licence (version 1.1, January 2017) Terms
From the source
the district's name on each property's record · each property's address, status and by-law
Derived by HamiltonIQ
the district's property list and counts · the by-law most of its properties carry
HamiltonIQ’s words
the summary sentence
Kept current
One district per name in the register layer's district field; its properties are the rows designated under Part V with that name, and its by-law the one most of them carry.
At a glance
Designation
Part V, Ontario Heritage Act
By-law most properties carry
86-125
Properties
22
Also Part IV
0
Streets
3

What an owner may change is set by the district plan and guidelines, which the City applies through heritage permits; its heritage staff can provide the plan and the designating by-law. The city does not publish the district's boundary in its open data, so the map shows the properties only.

St. Clair Avenue Heritage Conservation DistrictThe 22 properties the register places in the district; dots link to properties with a page.185 Delaware Ave — In a heritage conservation district (Part V)193 Delaware Ave — In a heritage conservation district (Part V)197 Delaware Ave — In a heritage conservation district (Part V)712 Main St E — In a heritage conservation district (Part V)108 St Clair Ave — In a heritage conservation district (Part V)111 St Clair Ave — In a heritage conservation district (Part V)112 St Clair Ave — In a heritage conservation district (Part V)115 St Clair Ave — In a heritage conservation district (Part V)117 St Clair Ave — In a heritage conservation district (Part V)118 St Clair Ave — In a heritage conservation district (Part V)120 St Clair Ave — In a heritage conservation district (Part V)121 St Clair Ave — In a heritage conservation district (Part V)124 St Clair Ave — In a heritage conservation district (Part V)125 St Clair Ave — In a heritage conservation district (Part V)128 St Clair Ave — In a heritage conservation district (Part V)129 St Clair Ave — In a heritage conservation district (Part V)131 St Clair Ave — In a heritage conservation district (Part V)132 St Clair Ave — In a heritage conservation district (Part V)141 St Clair Ave — In a heritage conservation district (Part V)144 St Clair Ave — In a heritage conservation district (Part V)151 St Clair Ave — In a heritage conservation district (Part V)153 St Clair Ave — In a heritage conservation district (Part V)
District propertyThe outline is the City of Hamilton boundary.

Every property in the district 22

By street, as the City’s register lists them.

Delaware Ave

  • 185 Delaware Ave
  • 193 Delaware Ave
  • 197 Delaware Ave

Main St E

  • 712 Main St E

St Clair Ave

  • 108 St Clair Ave
  • 111 St Clair Ave
  • 112 St Clair Ave
  • 115 St Clair Ave
  • 117 St Clair Ave
  • 118 St Clair Ave
  • 120 St Clair Ave
  • 121 St Clair Ave
  • 124 St Clair Ave · 1915
  • 125 St Clair Ave
  • 128 St Clair Ave
  • 129 St Clair AveMcCaughey House
  • 131 St Clair Ave
  • 132 St Clair Ave
  • 141 St Clair Ave
  • 144 St Clair Ave
  • 151 St Clair Ave
  • 153 St Clair Ave

Sources

Every factual claim above traces to one of these documents.

  1. City of Hamilton

    Heritage Properties (open data layer)

    Retrieved October 8, 2026

  2. City of Hamilton

    Municipal Heritage Register

    Retrieved October 8, 2026

  3. City of Hamilton

    Heritage Properties: open data metadata (PDF)

    Retrieved October 8, 2026

  4. Government of Ontario

    Ontario Heritage Act, R.S.O. 1990, c. O.18

    Retrieved October 8, 2026

City of Hamilton Open Data Licence (version 1.1, January 2017). Licence. Records checked October 8, 2026.