Assessor - Tax/Millage Rate Lookup Your account number is your Deschutes County account number. You can find it on your most recent tax bill or look it up on DIAL (http://dial.deschutes.org) Account Number Find tax rate Reset Form Loading... Owner: Tax Rate: * 0 * per thousand of assessed value, as of last certified tax roll NOTE: The displayed rate is subject to M50 limitation and M5 compression and should be used for estimate purposes only.