How do you buy property in Thailand?

The first you should know when buying property in Thailand is that under Thai laws, foreigners are not allowed to own land, but foreign nationals can have ownership of buildings distinct from land such as condominiums.
Foreigners wishing to Purchase condominiums can own the freehold of 49% of the total unit space that is a legally registered condominium building. For the foreign purchaser you must ask for a letter of guarantee from the condominium juristic person that’s sets out the proportion of foreign ownership, which then is must be sent to the Land Department upon transfer of ownership.
A foreigner may own a building distinct from its land. A unit that is in a registered condominium and a leasehold that is registered for up to 30 years of all types of titled land or buildings.
Foreigners may not own freehold land and also no more than 49% of the shares in a Thai company that owns freehold land. It’s a good idea to make sure you have a good lawyer before purchasing any property.

100% of the funds must come from overseas in foreign currency from the foreign purchaser. The foreign purchaser must need a Foreign Exchange Transaction Form from the Thai bank. This will provide evidence to the Land Department, it’s also necessary to avoid complications and remittance tax when sending back funds if you decide to sell the condominium later on. A Foreign Exchange Transaction Form is only obtained with any inward remittance for a minimum amount of 20,000 USD.