2025 Thailand Villa Ownership Guide: From Nominee to Sap-Ing-Sith Legal...
A systematic analysis of Thailand's land system and legal pathways for foreigners to purchase property, comparing risks and compliance of traditional nominee, company ownership, leasehold, and Sap-Ing-Sith methods, with detailed case study and cost breakdown of the first successful Sap-Ing-Sith implementation in Chiang Mai.

Why should foreigners pay special attention to property rights issues when buying a villa in Thailand?
- Foreigners cannot directly own land;
- Foreigners can legally own buildings (the villa itself).
Therefore, the key issue lies in how to legally, safely, and stably hold the land. This has given rise to various common market structures, ranked from highest to lowest risk:
1️⃣ Thai natural person holding (highest risk)
2️⃣ Thai company holding (Company Freehold)
3️⃣ Long-term lease (Leasehold)
4️⃣ Sap-Ing-Sith (property with attached rights) — the only form of land property rights for foreigners recognized and registrable by national legislation.
What are the basic characteristics of Thailand's land system?
- Registering a Thai company (requires Thai shareholders holding ≥51%)
- Leasing long-term use rights
- Or directly registering property rights in the form of Sap-Ing-Sith.
This determines that foreigners must pay attention to the separation of land and building ownership when buying a villa.
Why is nominee holding the highest risk for natural persons in Thailand?
- Foreigners have no actual property rights;
- If the nominee reneges, refuses to renew the lease, or sells, foreigners have no right to enforce;
- If the nominee passes away, the property enters their inheritance system, and heirs may not recognize private agreements.
📍Conclusion: Extremely high risk, not legally protected, not recommended.
What is Sap-Ing-Sith?
📌 It is essentially a Real Right, not a lease or proxy holding;
📌 It can be registered, inherited, mortgaged, and transferred;
📌 The right term is 30 + 30 + 30 = 90 years;
📌 The property certificate is registered under the foreign buyer's name.
What two official certificates does Sap-Ing-Sith include?
- Held by the asset company under the developer group;
- The title deed specifies Sap-Ing-Sith registration, with the holder having no disposal rights.
🟦 Blue Book (Attached Rights Property Certificate):
- Similar to China's real estate certificate;
- Clearly states the rights owned by foreign buyers individually;
- Can be inherited, mortgaged, or transferred.
📌 This is the first time Thailand has issued a complete, legally protected real estate property certificate for foreigners.
What are the core advantages of Sap-Ing-Sith compared to traditional methods?
2️⃣ Clear and transparent property rights: Land title deed registered under the buyer's name;
3️⃣ 90-year full holding period: Can be inherited, mortgaged, and renovated;
4️⃣ No need for Thai shareholders or third-party holding;
5️⃣ Zero ongoing costs: No annual audits, no accounting, no tax maintenance;
6️⃣ Simplified process: Developer handles everything, only requires passport and signature to complete.