Washington County leaders are weighing a property tax levy increase that could raise the average household tax bill by a little more than $60 a year. While the process is still in the early stages, for 22-year Woodbury resident Patrick Farrell, the proposed 7.9% Washington County property tax increase was not welcome news. RELATED: Minnesota counties point to unfunded federal and state mandates for property tax increasesWhat is driving it? Farrell said a 9.7% city tax increase in Woodbury last year, along with a possible county increase, has added to his frustration. Washington County is not expected to vote on its official tax levy until December.