One York
Toronto, Ontario, Canada

  • Image of One York (Excavation)
Image of One York (Excavation)


Also Known AsOne York[1][2][3]

Address1 York Street[1][2][3]

Postal CodeM5J 2L9[1][2][3]

NeighbourhoodWaterfront Communities-the Island

CityToronto, Ontario, Canada

Urban AgglomerationGreater Golden Horseshoe

Nearby ParksHarbour Square Park Lands, Olympic Park, Queens Quay Planters, Rees St Park, and Roundhouse Park

WardToronto Centre-Rosedale (28)



DesignationCommercial[3][4], and Office[1][2]


Office74,322.43m² (800,000f²)[1][2]

Floors Above-Ground35[1][2][3]

Floors Below-Ground4[5]


ArchitectSweeney, Sterling, Finlayson & Co. Architects[1][5]

Civil EngineersMMM Group Limited[5]

Concrete SubContractorEllisDon[5]

DeveloperHealthcare of Ontario Pension Plan[1][5]

DeveloperMenkes Developments Inc.[1][2][5]

Electrical EngineeringMulvey & Banani International Inc.[5]

Elevator ContractorSoberman Engineering

Flooring ContractorCamino Modular Systems[5]

Foundation ContractorAnchor Shoring & Caissons Ltd[5]

Mechanical EngineeringThe Mitchell Partnership[5]

Shoring ConsultantsIsherwood Geostructural Engineers

Siding ContractorSota Glazing Inc[5]

Sitework ContractorMMM Group Limited

Structural EngineeringStevenson Engineering Ltd[5]

Structural Trades ContractorNovum Structures[5]


Estimated Occupancy (2016)

Construction (2014 to 2016)

Excavation (2013 to 2014)

One York - ExcavationOne York - Excavation


  1. 2013-01-15:, "Menkes and HOOPP Commence Construction of Landmark Office Tower in Toronto's Southcore Financial District"
  2. 2013-01-18: The Toronto Star, "Menkes sees magic in Toronto’s South Core "
  3. 2015-01-22: Reed Construction Data, Daily Commercial News and Construction Record, "PHOTO: Office and Retail"
  4. 2014-11-25: Reed Construction Data, Daily Commercial News and Construction Record, "PHOTO: Office Number One"
  5. 2013-05-06: Reed Construction Data, "One York St, One York St, M5J"