@Paul *************
How to check land ownership in Thailand:
Visit the local Land Office
You must go to the Provincial or District Land Office where the land is located. Only certain people are permitted to request this info:
The landowner
Someone with power of attorney
A person with a legitimate legal interest (e.g., buyer, heir)
Provide Details You’ll need:
The land title deed number (โฉนดที่ดิน)
The name of the landowner (if you know it)
The land plot number and location