Bonney Lake and Sumner city offices closed Monday | Reminder The Bonney Lake and Sumner city offices are closed on Monday, Feb. 17 in observance of Presidents Day. By Courier-Herald Staff • February 6, 2014 3:08 pm Tags: Bonney Lake-Sumner Courier-Herald The Bonney Lake and Sumner city offices are closed on Monday, Feb. 17 in observance of Presidents Day. The offices will open Tuesday and be back on a regular schedule. For more information on the closed day, visit the city’s websites. Tags: Bonney Lake-Sumner Courier-Herald