Legislative Records

About These Records

The Colorado State Archives holds a variety of resources, which document the legislative history of the state and can help explain the intent behind Colorado law.

Primary, textual sources


  • 1876-present      Bill Backs (includes all versions of the bill as it passed through the General Assembly)
  • 1997-2014          House and Senate Bills available online

Committee Summaries

NOTE: Most committee summaries from 1995-2003 will be temporarily unavailable. The summaries are currently being digitized off-site. They are projected to be unavailable for 4 weeks. Thank you for your patience as we take these steps to improve the accessibility of the collection.

Reference sources

Colorado Revised Statutes

Session Laws of Colorado

  • 1877-2014          Bound versions (some volumes missing)
  • 1993-2014          Session Laws available online

House and Senate Journals

  • 1861-2014          Paper versions (some journals missing) 
  • 1998-2014          House and Senate Journals available online


After passage of the Colorado Sunshine Law in 1973, Legislative Committee Hearings and Floor Sessions were to be recorded and made available to the public. These audio recordings are available for research purposes at the Colorado State Archives.

Please note that due to an unusually high number of audio requests and limited staff, current turnaround time for analog to digital conversion is 12-16 weeks. (posted May 31, 2016).