Port Orchard City Hall is located at 216 Prospect Street, Port Orchard, WA 98366.
Port Orchard as described in 1941 
Port Orchard, is the seat of Kitsap County and one of the oldest settlements on Kitsap Peninsula. In 1854 William Renton and Daniel Howard landed near the towering forests along the protected waters of the bay named Port Orchard by Captain George Vancouver, in honor of H. M. Orchard of the ship Discovery. Here they erected a saw mill. The success of this venture soon attracted shipbuilders, and the sound of hammers mingled with the hum of the saw mill. The first vessel built in Kitsap County, the I. I. Stevens, was launched here in 1855. The village which grew up around the mill was named Sidney, for Sidney Stevens, who platted the townsite. Early in the 1890s the Port Orchard Naval Station post office was established in Sidney, in succeeding years the navy yard across the inlet assumed an important part of the town's economy. In 1903, by an act of the State legislature, the name was officially changed to Port Orchard, and shortly thereafter the town was made the county seat.
Present-day Port Orchard stretches along the rim of the bay, many of the buildings being built on pilings over the tide flats. East of the business district, the residential section climbs the steep hill, where terraced lawns, rock gardens, and bright flowers and shrubs make a colorful picture in midsummer. The courthouse crowns the hill. With the depletion of the forests on the peninsula, Port Orchard has come to depend primarily upon construction work in the Navy Yard at Bremerton and upon agricultural development of the surrounding country. It is also an important shipping point for ferns and huckleberry greens for the florist trade.