Definition of ad valorem in English:

ad valorem

adverb & adjective

  • (of the levying of tax or customs duties) in proportion to the estimated value of the goods or transaction concerned.

    as adjective ‘ad valorem stamp duty at the rate of 1 per cent is payable’
    • ‘Property ad valorem taxes are the major source of revenues for state and municipal governments.’
    • ‘They pointed out that while most minerals had fully ad valorem rates of royalty at present, iron ore, limestone and dolomite had tonnage-based royalty.’
    • ‘The ad valorem property tax is levied each October 1st on the assessed value listed as of the prior January 1st for all real and business personal property located in the city.’
    • ‘We find that unit taxes lead to more firms in the industry, less output per firm, less tax revenue, but higher welfare compared to ad valorem taxes.’
    • ‘Sequachee Valley Electric Cooperative recently made payments of $694,221.54 in ad valorem taxes to city and county governments in eight counties in its service center.’
    • ‘Shall the Constitution of Georgia be amended so as to provide for limitations upon the rate of increase of the assessed value of real property for state, county, municipal, or educational ad valorem tax purposes?’
    • ‘The Tax Collector merges the non ad valorem assessments into the certified tax roll.’
    • ‘Texas residents who own property which is subject to ad valorem taxation by Amarillo Junior College District and their dependents shall be eligible to enroll at the tuition rate for resident students.’


Latin, ‘according to the value’.


ad valorem

/ˌad vəˈlɔːrɛm/