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Locations & Hours

Physical access to the library locations is available on a limited basis, please refer to the opening hours below.
Library Reference and Services are virtually available Monday - Friday 8 am - 5 pm except on Federal Holidays.

The 3D printer remains closed until further notice.
These are the library hours while the COVID-19 Boulder County Level is at Medium or Low status. If the Community Level is High, the library will remain closed during that week, and the library team members will maximize situational telework.

Branch Library

David Skaggs Research Center (DSRC), Room 2C407
Boulder, Colorado 80305
Phone (303) 497-6742
Fax (303) 497-3894

Hours: temporarily closed   

Main Library

325 Broadway MC51
Building 1, Room 1200
Boulder, Colorado 80305
Phone (303) 497-3271
Fax (303) 497-3890

Hours: M - F, 9 AM - 4 PM   

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.)