Los Alamos County property tax bills for 2012 were mailed to property owners on the first of November.
The first half installment becomes delinquent after Monday, Dec. 10. Payment must either be made in person by 5 p.m. Dec. 10 at the 311 Customer Care Center or postmarked by midnight that same day to avoid late payment penalty and interest charges.
The 311 Customer Care Center is located at 150 Central Park Square and open from 8 a.m. to 5 p.m., Monday through Friday.
Payments should be mailed to P.O. Box 99, Los Alamos, NM 87544. Payments are also accepted through a property tax lockbox at Los Alamos National Bank.