Definition
A property tax based on the assessed value of real estate, meaning the more your property is worth, the more you pay. Latin for 'according to value,' or as homeowners call it, 'penalty for improvement.'
Example Usage
After renovating their kitchen, they were dismayed to see their ad valorem tax increase by 22% following the reassessment.
Origin
Direct Latin phrase meaning 'according to value,' adopted into English property tax law from Roman legal traditions
Fun Fact
California's Proposition 13 (1978) capped ad valorem tax increases at 2% annually, leading to situations where longtime neighbors pay wildly different taxes on similar homes.
Source: Municipal property tax standards
Related Terms
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