For properties that include multiple buildings, square footage is combined if the buildings share common ownership and common areas, like a lobby or a parking ramp. The Twin Cities 24-county metro area includes Anoka, Benton, Blue Earth, Carver, Chisago, Dakota, Freeborn, Goodhue, Hennepin, Isanti, Le Sueur, Mower, Nicollet, Olmsted, Ramsey, Rice, Scott, Sherburne, Stearns, Steele, Washington and Wright counties in Minnesota and Pierce and St. Croix counties in Wisconsin. No. 1 Normandale Lake Office Park includes the 8000, 8200, 8300, 8400 and 8500 towers. No. 8 Washington Square includes the 20, 100 and 111 buildings. No. 13 Centennial Lakes Office Park includes the 3601, 3800, 7601, 7650 and 7701 buildings. No. 25 RBC Gateway opened its doors in early 2022. Last year's No. 21 Northstar Center is currently being renovated, with the majority of its space planned to be converted into residential units. Information on The List was supplied by leasing agencies or property management representatives through questionnaires, as well as leasing documents, and could not be independently verified by the Business Journal.