Colorado Public Room

The Public Room is now open at Building 40 on the Denver Federal Center Campus.  The public room is open M-F, 8:30 am - 4 pm and is closed for federal holidays.

Individuals who need to file mining claim paperwork can visit the public room during business hours or mail their paperwork and associated fees via United States Postal Service: BLM Colorado State Office P.O. Box 151029 Lakewood, CO 80215 or via Federal Express: BLM Colorado State Office, Denver Federal Center, Building 40, Door W-3, Lakewood, CO 80225.

Contact the Public Room to schedule an appointment for assistance with Dockets. 
Phone: 303-239-3600
Email Dockets: [email protected]

All visitors wishing to conduct business at the Public Room will need to enter the secured Denver Federal Center campus using the visitor gates (Gate 1, Gate 4 and Gate 5). Visitors will be required to present a valid photo I.D. Weapons and pets are not permitted on the Denver Federal Center campus. For more information about accessing the Federal Center visit https://www.gsa.gov/about-us/gsa-regions/region-8-rocky-mountain/buildings-and-facilities/colorado/denver-federal-center. Visitor parking is available at Building 40.

Andy Senti Public Lands Information Center

The Andy Senti Public Information Center in the BLM Colorado State Office is a great place to find resources and information about your public lands. Staff can assist you with research and interpretation of BLM records and answer general questions about all BLM programs. We also offer maps of public lands in Colorado and a wide array of publications and brochures to help you plan your next trip outside.

Through the searchable public room list below, find and download our frequently requested documents.