Here is a selection of items on the agendas for this week’s meetings of the City and Parish councils. To see the full agendas, check out the links below:. Property values are determined by the tax assessor and are updated at least every four years, according to state law. As property values go up, so do property tax bills. When the assessed value of a property increases, property owners can appeal the assessment by filing with the Parish Council and, ultimately, the state tax commission.