Some of the oldest residential structures in the city are downtown, in an area around City Hall. Built mostly of wood, and having withstood the ravages of time, they have been upgraded to modern living standards. Such improvements almost always include vinyl siding. In the early days of aluminum and then vinyl siding, all original wooden details were stripped from the buildings for ease of installing the new siding. In recent years, an effort has been made to preserve or mimic those details when the new siding is added. In an era of rising housing costs, these old buildings provide shelter for many at a price they can afford.