Thailand Property Taxes: How to Avoid Paying Twice

An international investor who buys a condominium in Phuket for 12 million THB and sells it three years later could face a combined tax burden of 25–30% of the profit — paying once in Thailand and again in their home country. A double taxation agreement (DTA) can prevent this, but most buyers only discover the issue after the money is gone.

This guide covers every tax that applies to a foreign property owner in Thailand — with exact rates, real scenarios, and practical strategies to keep your liability to a legal minimum.

Quick Answer

• Transfer fee at purchase: 2% of the appraised value, typically split 50/50 between buyer and seller
• Withholding tax at sale: progressive scale from 5% to 35%, calculated by the Land Office based on appraised value and years of ownership
• Specific Business Tax (SBT): 3.3% of appraised value, applies when selling within 5 years of purchase
• Stamp duty: 0.5%, applies only when SBT does not
• Rental income tax: 5–35% progressive Personal Income Tax (PIT) for individuals
• Land and Building Tax: 0.02%–0.1% annually, with full exemption for primary residences valued under 50 million THB
• Most countries with DTAs signed with Thailand allow foreign buyers to offset Thai taxes paid against their home-country tax liability

Scenarios and Options

Scenario 1 — Buying a Condo for Rental Income

You purchase a unit for 8 million THB in Phuket. At the Land Office, you pay:

• Transfer fee: 2% = 160,000 THB (your share if split: 80,000 THB)
• Stamp duty: 0.5% = 40,000 THB (waived if SBT applies)

Rental income of 40,000 THB/month (480,000 THB/year) is subject to Thai PIT. After standard deductions — a personal allowance of 60,000 THB plus 30% expense deduction on rental income — the effective rate typically falls between 5% and 10%.

If your home country taxes worldwide income, any Thai PIT paid can usually be credited against your domestic tax bill under an applicable DTA. You pay the difference, not the full amount twice.

Scenario 2 — Resale Within 3 Years

Bought for 10 million THB, sold for 14 million THB. Holding period: under 5 years.

• SBT: 3.3% of appraised value ≈ 462,000 THB (based on ~14M THB appraisal)
• Withholding tax: Land Office divides appraised value by years held, applies progressive PIT, multiplies back. At 3 years on a 12 million THB appraised value, expect 400,000–600,000 THB
• Transfer fee: 2% = 280,000 THB (if fully on the seller)

Total Thai taxes at sale: approximately 1.1–1.3 million THB (roughly 8–10% of the sale price). If your home country taxes capital gains, the taxes paid in Thailand can typically be offset under a DTA — consult a local tax adviser for your specific jurisdiction.

Scenario 3 — Selling After 5+ Years

The most tax-efficient exit. Holding for at least 5 years eliminates SBT entirely. Instead of 3.3%, you only pay stamp duty of 0.5%. On a 14 million THB property, that saves approximately 392,000 THB.

Additionally, many countries exempt long-held foreign property from capital gains tax after 5 years of ownership — check the rules in your home jurisdiction before planning your exit.

Comparison Table: Thailand Property Taxes at a Glance

Main Risks and Mistakes

1. Skipping the Thai tax return. Foreigners earning rental income in Thailand must file Form PND 90 or 91 with the Revenue Department by 31 March each year. Failure to file carries fines of up to 200,000 THB, plus interest penalties.

2. Misunderstanding withholding tax. The Land Office calculates withholding tax based on the appraised value, not the actual sale price. The appraisal can be higher or lower than the market price. Always check the government appraisal in advance through the Treasury Department portal — surprises at the registration desk are costly.

3. Remitting foreign income in the year it is earned. Since 2024, Thailand taxes foreign-sourced income remitted into the country in the same tax year it was earned. The previous workaround — transferring funds in the following year — no longer applies. Plan international transfers carefully.

4. No documentation for foreign tax credits. To claim a Thai tax credit in your home country, you will typically need: a certified copy of your Thai tax return, payment receipts, and an official translation. Without these documents, a foreign tax authority is likely to deny the offset.

5. Registering under a company without full analysis. Thai companies pay 20% corporate income tax on profits. For a single property, personal ownership is usually more efficient. A corporate structure only makes financial sense when managing a portfolio of 3 or more properties with significant annual rental income, where deductible business expenses justify the cost of maintaining the entity.

6. Ignoring the 5-year SBT threshold. Selling one month before the 5-year mark can cost hundreds of thousands of baht. If you are close to the threshold, delaying the sale is almost always worth it.

FAQ

What taxes does a foreigner pay when buying property in Thailand? The primary cost is the transfer fee of 2% of the appraised value. In practice, this is often split equally between buyer and seller. Legal due diligence fees are separate — they are professional service costs, not government taxes.

Do I need to file a tax return in Thailand? Yes, if you earn rental income or sell a property. Declarations are filed with the Revenue Department by 31 March of the following year. Non-resident landlords are still liable; many use a local accountant or property manager to handle filings.

How is withholding tax calculated on a sale? The Land Office divides the government appraised value by the number of years the property was held, applies the progressive PIT rate (5%–35%) to that amount, then multiplies the result by the years held. The longer you hold, the lower the effective rate.

Can I avoid the 3.3% SBT? Yes — by holding the property for more than 5 years, or by using it as your primary registered residence for at least 1 year. In either case, SBT is replaced by stamp duty at 0.5%.

What is the annual tax on owning property in Thailand? Land and Building Tax applies at 0.02% for residential property appraised under 50 million THB (when not the primary residence). Primary residences valued under 50 million THB are fully exempt. For higher-value properties, the rate increases up to 0.1%.

Is it better to own property personally or through a Thai company? For a single property valued under 20 million THB, personal ownership is almost always more tax-efficient. A Thai company structure becomes viable only with a portfolio of 3 or more properties generating over 2 million THB in annual rental income, where corporate deductions offset the running costs of the entity.

How should I send funds to Thailand for a property purchase? Transfer funds via international bank wire to your Thai bank account. The receiving bank will issue a Foreign Exchange Transaction Form (FETF), formerly known as a Thor Tor 3. This document is a legal requirement for registering freehold (Chanote title) condominium ownership in a foreign buyer's name.

What happens to my property at inheritance? Thailand levies inheritance tax on estates exceeding 100 million THB — at 5% for direct heirs and 10% for others. For the vast majority of foreign investors, this threshold is not a practical concern.

Pre-Purchase Checklist

• Verify the government appraisal of your target property via the Treasury Department
• Negotiate and document how the transfer fee will be split in the sale-purchase agreement
• Transfer purchase funds by international bank wire to obtain the FETF
• Retain all receipts for Thai taxes paid — you may need them for home-country tax credits
• Determine your tax residency status for the current year before completing the purchase
• File your Thai income tax return by 31 March if you earn rental income
• Consult a tax adviser in your home country about claiming a credit for Thai taxes paid

Proper tax planning from the outset typically saves 5–15% of the transaction value. The time to model your tax exposure is before you sign — not after.

Ready to invest in Thailand? Our experts will help you find the perfect property.