Registration forms to complete and print are available online for youth and adults .
Library cards are free to anyone residing within the city limits of Houston.
As proof of Houston residence, the Library accepts a Texas driver's license or Texas ID, utility or phone bill, or a personalized check. Children under 18 may get a library card in their own name with their parent or guardian's approving signature. Non-residents who own taxable real property within the city limits of Houston are eligible for a free resident card with a property tax receipt verifying ownership.