Foreigners may not own land in Thailand but can own a house or built on the land. The first option is to set up a Thai Company. It could be a trading company operating a business in Thailand with Thai shareholders. Another option is to own the land under a leasehold structure. The Lessors have to pay the pay the Local Maintenance Tax, Structure and Usage Tax and Personal Income Tax. Still this not always the case so it would be wise to check this with your lawyer

at the Land Office you have to pay your government fees, stamp duties and taxes. For the land and house built on the land you have to pay, local Maintenance Tax and Structure and Usage Tax

The owner of the land has responsibility to pay the Local Maintenance Tax between 1-70 baht per Rai per year.

Is is very important that you know your legal rights in Thailand. Be sure to minimize the risks to secure your property. There for professional advice is necessary.