Telus Harbour

{{distinguish|Telus Tower (Montreal)}}

{{Infobox building

| name = Telus House

| image = 25 York Street 2022.jpg

| image_size = 250px

| former_names = Union Tower

| alternate_names = Telus House

| location = 25 York Street
Toronto, Ontario

| coordinates = {{coord|43.6433|-79.3809|region:CA-ON|display=inline,title}}

| start_date = 2007

| completion_date = 2009

| building_type = Commercial offices

| antenna_spire = {{convert|136.1|m|abbr=on}}

| roof = {{convert|121.7|m|abbr=on}}

| top_floor =

| floor_count = 32

| elevator_count = 15

| cost =

| floor_area = {{convert|72000|m2|abbr=on}}

| architect = Adamson Associates Architects
Sweeny, Sterling, Finlayson & Co. Architects

| structural_engineer=

| main_contractor = Menkes Construction

| developer = Menkes Developments Ltd.
Hospitals of OntarioPension Plan (HOOPP) and Halcyon Partners Fund

| owner =

| management =

| references = {{ctbuh|4439}}{{Cite web |url=https://www.emporis.com/buildings/101416 |archive-url=https://web.archive.org/web/20160307025647/https://www.emporis.com/buildings/101416 |url-status=usurped |archive-date=March 7, 2016 |title=Emporis building ID 101416 |work=Emporis}}{{skyscraperpage|42321}}

}}

Telus Harbour, formerly Telus House, formerly Union Tower, is a 30-storey office skyscraper at 25 York Street, on the south side of the traditionally defined financial district of Toronto, Ontario, Canada.{{cite web | title=Telus Fact Sheet | url=http://www.menkes.com/telus/pdf/telus_fact.pdf | publisher=Menkes | date=2 August 2008 | access-date=2 February 2011}} As of 2016, Telus being the Anchor tenant, occupied 21 of 30 storeys ({{Percentage|21|30}}), which included 3 of them dedicated to fun and wellness.{{Cite web |date=2016-08-03 |title=Inside Telus's enormous, 21-floor office, with three whole storeys dedicated to fun and wellness |url=https://torontolife.com/style/inside-the-telus-house-with-a-rooftop-garden-and-wellness-centre/ |access-date=2025-06-25 |website=Toronto Life |language=en}} In 2021, the building earned BOMA BEST Platinum certification with a score of 99.2% which was, at the time, the highest score globally.{{Cite web |title=Telus Harbour Sets New Global Industry Record for BOMA BEST Score |url=https://storeys.com/25-york-street-menkes-new-record-boma-best-score/ |access-date=2025-06-25 |website=storeys.com |language=en}}{{Cite web |title=25 York Street {{!}} Menkes Developments |url=https://www.menkes.com/commercial/projects/25-york-street |access-date=2025-06-25 |website=www.menkes.com}}