Exam term Ad valorem Based on value. Ad valorem property taxes are computed from a property's taxable value and the tax rate. Lessons that use this term Liens: mechanics' liens, judgments, tax liens, assessments, and priority CaliforniaProperty taxation, assessed value, and computing the tax rate and tax New YorkGovernment powers: police power, eminent domain, taxation, and escheat TexasAssessed value and property tax Texas