Port Properties The Port invests 100% of property taxes, plus revenue generated from general port operations back into Nez Perce County to purchase and develop land, infrastructure and facilities – activities to create jobs. Home » Our Business » Port Properties CLICK ON SHADED AREAS OF THE MAP OR THE PHOTOS TO LEARN MORE ABOUT PORT OF LEWISTON PROPERTIES: Business & Technology Park Harry Wall Industrial Park Northport Riverfront Confluence Property Southport