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Locations & Hours

Physical access temporarily closed.
Library Reference and Services are virtually available Monday - Friday 8 am - 5 pm except on Federal Holidays.

Branch Library

David Skaggs Research Center (DSRC)
Room 2C407
Boulder, Colorado 80305
Phone (303) 351-2301

Hours: temporarily closed 

Main Library

325 Broadway MC51
Building 1, Room 1200
Boulder, Colorado 80305
Phone (303) 351-2301
Fax (303) 497-3890

Hours: temporarily closed  

Come visit us.
We have two locations.

Email individual Library staff or the entire team.

Closed on federal holidays.

Visitor information: directions and security

After Hours Access

  • Main Library: key in. (register via Library)
  • Branch Library: key in. (register via Admin. Assist.)