
Inheritance Tax in Thailand
Keller Henson Team
Published on May 31, 2025
Updated February 2026
When planning your estate, understanding the inheritance tax laws in Thailand is crucial, especially for foreigners who own property in the country. At Keller Henson, we aim to provide you with detailed insights to ensure you are well-informed and prepared. This guide will walk you through the intricacies of inheritance tax in Thailand, focusing particularly on real estate and property inheritance. We will also present real case studies to illustrate these principles in action.
Introduction to Inheritance Tax in Thailand
Inheritance tax in Thailand, introduced in 2016, applies to both Thai nationals and foreigners. The tax is levied on the transfer of assets, including property, to heirs. This act applies to both Thai nationals and expatriates, with the tax levied on the value of inherited assets exceeding 100 million Baht. The tax rate is 5% for direct descendants and ascendants and 10% for other heirs.
For foreigners, understanding the specific regulations and preparing for potential tax liabilities is essential to ensure a smooth transition of assets.
Inheritance tax, known in Thai as "Phasi Moradok" is part of the Thai tax system aimed at generating revenue from the transfer of wealth and aligning with international practices. The introduction of this tax marked a significant shift in the country's fiscal policy, aiming to address income inequality and ensure a fair distribution of wealth across generations. The tax is managed by the Thai Revenue Department, and compliance is mandatory for all eligible individuals.
Key Concepts of Thailand Inheritance Tax
Taxable Assets:
Inheritance tax applies to assets such as real estate, cash, securities, financial assets (bank accounts, investments), business interests, and other valuable items. For foreigners, this often includes properties and investments held in Thailand.
Tax Rates:
The tax rate is 10% for heirs who are not direct descendants or ascendants (i.e., siblings, nieces, nephews). For direct heirs, such as children or parents, the rate is 5%.
Exemptions:
The first 100 million THB of inherited assets is exempt from tax for direct heirs, while the exemption is 50 million THB for other heirs.
Understanding these key concepts is crucial for anyone involved in the inheritance process in Thailand. Proper knowledge of the rates, exemptions, and taxable assets can significantly influence estate planning strategies.

Inheritance Tax for Foreigners in Thailand
Foreigners must navigate additional complexities when it comes to inheritance tax in Thailand. These include:
1. Residency Status:
The tax implications can vary based on whether the foreigner is a resident or non-resident of Thailand. Residents may face different tax treatments compared to non-residents, especially concerning global assets versus assets located within Thailand.
2. Double Taxation Treaties:
Thailand has treaties with some countries to prevent double taxation (check the list here), which can influence the tax obligations for foreigners. These treaties aim to avoid the situation where the same inheritance is taxed by both Thailand and the foreigner's home country.
Navigating these complexities requires a thorough understanding of both Thai tax law and the tax regulations of the foreigner's home country. Professional advice is often essential to ensure compliance and optimize tax liabilities.
Real Estate and Property Inheritance in Thailand
Real estate and property inheritance involve specific considerations:
1. Ownership Structures:
Land Ownership Restrictions
By Thai law, foreigners cannot directly own land in Thailand, so they must sell any inherited land within a year. However, they are permitted to directly own condominiums, provided the foreign ownership quota in the building is not exceeded.
Due to restrictions on foreign land ownership, foreigners often acquire property through leasehold arrangements or Thai companies. Understanding these structures and their impact on inheritance tax is crucial.

Selling Inherited Land
As foreigners must sell inherited land within a year, it requires timely decisions and professional advice to avoid financial losses. Engaging with real estate professionals and legal advisors can facilitate this process and ensure compliance with Thai laws.
2. Legal Documentation:
Proper legal documentation, including wills and testamentary declarations, is crucial to ensure the intended transfer of property. Without a clear will, the inheritance process can become complicated and contentious.
3. Valuation of Property:
The valuation of inherited property can affect the amount of inheritance tax due. Accurate and up-to-date property valuations are necessary to determine the correct tax liability.
Steps to Take When Inheriting Property in Thailand
Engaging Legal Counsel: Consult with a Thai lawyer who specializes in inheritance and property law. The lawyer can provide guidance on the necessary legal procedures and documentation required to facilitate the inheritance process smoothly and in compliance with Thai laws.
Property Valuation: Arrange for an official valuation of the property to determine its market value. This step is crucial to ensure accurate tax calculation and to understand the financial implications of the inheritance.
Documentation: Gather and submit all required documentation to the relevant Thai authorities, such as the Thai Revenue Department and the local land office. This includes the will, property title deed, death certificate, and any other necessary legal documents.
Sale or Transfer: Decide whether to retain or sell the inherited property. If choosing to sell, ensure compliance with Thai regulations regarding the sale of property by foreigners. Alternatively, if retaining the property, consider hiring a property management company to handle maintenance and any rental arrangements, especially if the heir resides abroad.
Financial and Banking Regulations: Understand the procedures and requirements for transferring funds internationally if the property is sold. Consulting with a financial advisor can help navigate Thai banking regulations and foreign exchange controls to minimize potential financial issues.
Regular Reviews: Periodically review and update legal documents, such as the will, to reflect current laws and personal circumstances. Changes in law or personal situations can impact inheritance plans, making regular reviews essential to ensure the documents remain valid and effective.
Practical Advice for Foreign Property Owners
Engage Professional Advisors: Collaborate with Thai legal and tax experts to navigate local laws and regulations. Professional advice can provide clarity and ensure compliance with complex legal requirements.
Prepare a Will: Ensure a clear, legally recognized will is in place to facilitate the transfer of assets. A well-prepared will can prevent disputes and ensure the deceased's wishes are honored.
Understand Local Laws: Familiarize yourself with Thai inheritance laws and how they apply to your specific situation. Knowledge of local laws is crucial to effective estate planning and tax management.
Case studies of inheritance tax in Thailand
Case Study: Inheritance of a Bangkok Condo
Consider a case where a foreigner, Mr. John Smith, owns a condo in Bangkok directly. Upon his death, the condo is to be inherited by his daughter, who is also a foreigner.
Ownership Structure: John Smith owns the condo directly in his name, complying with Thai property laws.
Legal Documentation: John has a will in place, specifying his daughter as the heir. The will is legally recognized in Thailand, ensuring a smooth transfer of the condo.
Valuation and Tax Calculation: The condo is valued at 30 million THB. Since his daughter is a direct heir, the inheritance tax is 5%. However, the first 100 million THB is exempt for direct heirs, so no tax is due on the condo.
Challenges and Solutions:
Ownership Restrictions: Since John Smith was the owner of the condo, his daughter ownership of the condo itself is legally permissible.
Legal Documentation and Recognition: The will must be legally recognized in Thailand, and any discrepancies or lack of clarity can lead to disputes or delays.
Case Study: Foreigner Inheriting from a Thai Spouse
Consider a case where a foreigner, Mr. Alex Johnson, is married to a Thai national, Ms. Manee. Ms. Manee owns a house in Chiang Mai, and upon her passing, the property is to be inherited by Alex, her foreign husband.
Ownership Structure: The house in Chiang Mai is solely owned by Ms. Manee. Under Thai law, foreigners cannot directly own land, but they can inherit property and must sell it within a year or transfer it to a Thai national.
Legal Documentation: Ms. Manee had a will in place, specifying her husband Alex as the heir to her property. The will is legally recognized in Thailand, ensuring a smooth transfer of ownership.
Valuation and Tax Calculation: The house is valued at 20 million THB. Since Alex is the spouse, he is considered a direct heir, and the inheritance tax rate is 5%. However, the first 100 million THB for direct heirs is exempt from tax, so no inheritance tax is due on the house.
Challenges and Solutions:
Ownership Restrictions: Since Alex cannot directly own the land, he must either sell the property within one year or transfer it to a Thai national, such as a family member or through a legal entity that complies with Thai regulations.
Legal Assistance: Alex needs to work with a legal advisor to navigate the complexities of inheriting property as a foreigner. This includes ensuring compliance with Thai laws regarding foreign ownership of land.
This case study highlights the specific challenges faced by foreigners inheriting property from a Thai spouse and the importance of legal guidance to ensure compliance with Thai inheritance and property laws. Proper planning and professional assistance can help mitigate potential issues and facilitate a smooth transfer of assets.
Case Study: Inheritance of a Hua Hin Villa
Consider another case involving a foreigner, Ms. Jane Doe, who owns a villa in Hua Hin. Jane passed away, leaving the villa to her son, who is also a foreigner.
Ownership Structure: Jane owned the villa through a 30-year leasehold agreement, a common arrangement for foreigners.
Legal Documentation: Jane had a will specifying her son as the heir. The will was registered with the local authorities, ensuring its recognition.
Valuation and Tax Calculation: The villa was valued at 50 million THB. As a direct heir, her son is eligible for the 100 million THB exemption. Therefore, no inheritance tax is due.
Challenges and Solutions:
Ownership Restrictions: Since Jane's son is a foreigner, he cannot directly own land in Thailand. The villa is held under a leasehold agreement, which poses specific challenges regarding the continuation of the lease. Jane's son must ensure that the leasehold agreement is properly transferred to his name. This involves working with the local land office to update the lease agreement. Additionally, he should consult with a legal advisor to explore options for extending the lease or converting it to another legal structure that ensures long-term ownership within the confines of Thai law.
Legal Assistance: Jane's son needs to work with a legal advisor to navigate the complexities of inheriting property as a foreigner. This includes ensuring compliance with Thai laws regarding leasehold agreements and inheritance.
Tax Planning Strategies for Foreign Property Owners
1. Use Trusts and Foundations
Setting up trusts or foundations can offer significant tax benefits and ensure proper asset management. Trusts and foundations are legal entities that can hold and manage assets on behalf of beneficiaries. By placing property and other assets in a trust or foundation, owners can potentially reduce their taxable estate, thereby lowering inheritance tax liabilities.
2. Gifting During Lifetime
Gifting assets during one's lifetime is a strategic way to reduce the value of the estate subject to inheritance tax. By transferring ownership of assets to heirs before death, the overall size of the taxable estate can be minimized, leading to potential tax savings.
3. Insurance Policies
Life insurance policies can be an effective tool for managing inheritance tax liabilities. By taking out life insurance specifically designed to cover inheritance taxes, property owners can ensure that their heirs have the necessary funds to pay the tax without needing to sell inherited assets.
Conclusion
Navigating inheritance tax in Thailand, particularly for real estate and property, requires careful planning and expert advice. By understanding the legal framework and taking proactive steps, foreigners can ensure a smooth transfer of assets to their heirs. At Keller Henson, we are committed to providing the insights and support needed to manage your real estate investments effectively. For personalized advice and assistance, contact our team at Keller Henson today.
FAQs: Inheritance Tax in Thailand
Inheritance tax in Thailand is a tax levied on the beneficiaries of an inheritance, specifically when the inherited assets exceed a certain threshold.
Both Thai citizens and foreigners are liable to pay inheritance tax if they inherit assets located in Thailand.
The inheritance tax rate in Thailand is 10% for heirs who are not direct descendants or ascendants of the deceased. For direct descendants and ascendants, the rate is 5%.
Yes, there is a threshold. Inheritance tax is only applicable on inherited assets exceeding 100 million THB.
Real estate inherited in Thailand is subject to inheritance tax if the value exceeds the 100 million THB threshold. The tax is calculated based on the appraised value of the property.
Yes, foreigners can inherit property in Thailand. However, they must adhere to specific regulations regarding property ownership, especially for land
To pay inheritance tax in Thailand, the beneficiary must file an inheritance tax return with the Revenue Department within 150 days of receiving the inheritance and pay the due tax.
Yes, late payment of inheritance tax can result in penalties and interest charges. It's important to file and pay the tax within the stipulated time frame.
Inheritance tax planning, such as setting up trusts or making lifetime gifts, can help minimize the tax burden. Consulting with a tax advisor or legal professional is recommended for personalized advice.
Required documents include the death certificate, will (if available), asset valuation reports, and identification documents of the heirs.



