Observed Holiday

Los Alamos County Administrative offices are closed on the holidays listed below. Note: If the holiday falls on a Saturday, offices are closed Friday in observance of the holiday. If the holiday falls on a Sunday, offices are closed Monday in observance of the holiday.

New Year's Day
Martin Luther King Day
Presidents Day
Memorial Day
4th of July
Labor Day
Indigenous People's Day
Veterans Day
Thursday - Thanksgiving Day
Friday after Thanksgiving
Christmas Day

Other County facilities may have modified hours and services. Check the following department pages for more information on holiday hours and closings.

Eco-Station - Trash pickup and recycling schedule

Recreational Facilities

Ice Rink
Golf Course
Larry R. Walkup Aquatic Center
(Aquatic Center is open 1:00 - 4:00PM on Martin Luther King Day, Presidents Day, Juneteenth, Indigenous People's Day and Veterans Day)

Library - Mesa Public and White Rock Branches

Transportation - AtomicCityTransit

Other Facilities

All other County facilities are closed in observance of these holidays. This includes Municipal Court.


For Police, Fire, Utilities and Parks dispatch services, please call 662-8222. In case of emergency, dial 911.