The Washington Carnegie Public Library is a city library; this means that the taxing district of the library is within the city limits of Washington. To register for your card, visit the library at 300 W Main St. and have your proof of current address and valid photo identification on hand. For teens and children under the age of 16, a parent or guardian is required to be present for a library card. If your license does not show your current address, please bring a piece of mail with your current address along with your license.