Latest Answer: You will have to pay property tax according to many factors like size of the house, and where your house is located. In the old rental value system, owners paid 15% of the rental value of the building. If the flooring used in your house is marble or luxury tiles, you will have to pay 15% extra. You can pay your property tax online at http://tax.lsgkerala.gov.in/epayment/, which is run by Information Kerala Mission.