Basis-of-property-tax-calculation Calculation of Property Tax: For Triennial Revision of Assessment A. As per Sec. 73(a) of The Cantonments Act, 2006) ( Building Value + Land Value ) / 20 = Annual Rental Value (A.R.V) Property Tax = House Tax 10% of ARV + Water Tax 10% of ARV + Scavenging Tax as Per Schedule (Min Rs 5 & Max Rs 400 ) For newly Constructed / Renovated building :- Covered area in (Sqmt ) X Plinth Area Rates ( Decided by the Board ) Assessment fixed on historical method by increasing in the existing ARV @ A. For Residential properties – 15% B. For commercial properties – 25%”