The data contained herein is accurate to the best of the Treasurer's Office knowledge. However, the Boulder County Treasurer's Office makes no warranties, express or implied, regarding the accuracy, completeness, reliability, or suitability of this data. Furthermore, the Boulder County Treasurer's Office disclaims any liability associated with the use or misuse of this data.  THIS IS NOT A CERTIFICATE OF TAXES DUE. This data is subject to change at any time. If you believe that any of this information is incorrect, please contact our office at (303) 441-3520. TAXES WITH AN OUTSTANDING BALANCE DUE APPEARING ON THIS WEBSITE INCLUDE DELINQUENT INTEREST AND OTHER FEES GOOD THRU THE DATE LISTED AT THE BOTTOM OF THE PAGE. ACCOUNTS THAT HAVE OUTSTANDING TAX LIEN SALES OR PRIOR YEAR TAXES DUE WILL NOT SHOW A BALANCE DUE AMOUNT. A MESSAGE STATING YOU MUST CALL THE TREASURER'S OFFICE @ 303-441-3520 FOR THE TOTAL BALANCE DUE WILL APPEAR AT THE TOP AND BOTTOM OF THE PAGE HIGHLIGHTED IN PINK. Electronic Payments for Taxes and Fees The Jurisdiction Code for Boulder County Treasurer is 1601. As part of our commitment to provide citizens with efficient, convenient service, Boulder County Treasurer has partnered with Official Payments to offer payment of property taxes over the Internet and by telephone by calling 1-800-2PAY-TAXsm (1-800-272-9829).   American Express®, Discover®, MasterCard®, and Visa® credit and debit cards and electronic checks are accepted.   Official Payments, the service provider, charges a convenience fee for credit card payment processing. In 2008, there will be NO charge for paying your property taxes by Echeck.  NOTE: All payments made by credit card or ECheck will be credited to your account on the following business day.