BUILDING WEBSITE Siena of Portico at 1428 W. 6th Avenue, Vancouver, BC, V6H 4H4, Fairview Neighborhood, 78 suites, 15 levels, built 2003. This website contains: current building MLS listings & MLS sale info, building floor plans & strata plans, pictures of lobby & common area, developer, strata & concierge contact info, interactive 3D & Google location Maps link www.6717000.com/maps with downtown intersection virtual tours, downtown listing assignment lists of buildings under construction & aerial/satellite pictures of this building. For more info, click the side bar of this page or use the search feature in the top right hand corner of any page. Building map location; Building #170-Map 4, False Creek, Granville Island & Pennyfarthing Area. Siena of Portico, one of the 4 buildings of the Portico complex by Bosa Developments.