Single Audit Report (A-133)
boulder creek with wildflowers

Single Audit Report (A-133)

Federally Funded Programs

The Single Audit Report is required by Office of Management and Budget Circular A-133 which governs the auditing of federal awards made to non-federal entities such as Boulder County. This audit looks primarily at whether the county is in compliance with the requirements of laws, regulations and contracts applicable to each of its major federally funded programs.


The Single Audit is required to be completed by September 30 for the previous calendar year.

2015 Single Audit Report
2014 Single Audit Report
2013 Single Audit Report
2012 Single Audit Report
2011 Single Audit Report

Contact Us

Financial Services

303-441-4524 (fax)


Courthouse West Wing
1st Floor, 2020 13th Street
Boulder, Colorado 80302
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Hours: 8 a.m. – 4:30 p.m. M-F

Mailing Address

Financial Services
PO Box 471
Boulder, CO 80306