The Colorado State Archives Research Room is located on the first floor of the Centennial building, one block south of the State Capitol building in Denver. Please call ahead to make arrangements to access a record, as it may not be immediately available at your disposal. Also, note that there is a pull limit of 10 record items or boxes daily, so please plan accordingly. Our contact information and hours are below.
1313 Sherman Street, Room 120, Denver, CO 80203-2274
Colorado State Archives is currently open for in-person visits by appointment only. Walk-in visits without an appointment will not be accepted.
To submit a request by mail, follow the request a record by mail instructions. Please allow 2 weeks to process your request. Missing or incomplete information will delay processing of your request.
The reference desk phone is only available when we are open to the public. Requests for records cannot be made by phone.
Reference Desk: 303-866-2358
To request a record by fax, please refer to our request a record by mail webpage, and provide all the same information asked of mail requests. You will be contacted for payment information. Please allow 2 weeks to process your request. Missing or incomplete information will delay the processing of your request.
- Fax: 303-866-2229
The Colorado State Archive's staff is available to answer phone calls during the following hours. (Denver time zone converter)
Monday: 10 am – 4:00 pm
Tuesday: 10 am – 4:00 pm
Wednesday: 10 am – 4:00 pm
Thursday: 10 am – 4:00 pm
Friday: 10 am - 4:00 pm
Colorado State Archives is currently offering appointments for in-person visits. Please call the reference desk at 303-866-2358 during business hours to speak to a staff member regarding our appointment availability. Records to view must be requested before an appointment can be scheduled.
We do not pull any records after 3:30 p.m., Monday-Thursday. No records are pulled on Friday.
The Colorado State Archives is closed on the following holidays:
New Year’s Day
Martin Luther King Day
Frances Xavier Cabrini Day (first Monday in October)
We have two remote storage facilities where we retrieve records during different times of the week/month. Arapahoe County Domestic Relations case files (1992 – 2008) are kept at one of these facilities. Please call ahead to make arrangements to access a record, as it may not be immediately available at your disposal.
Guide to Using Archives
Using Archives: A Guide to Effective Research provides many good suggestions for planning your research trip to any archives—including ours! It also includes some information on archival documents available through various websites and wikis, if you can't come in person.