Tax Tools

Thailand Property Tax Calculator 2026

Transfer Fee · SBT · Stamp Duty · Withholding Tax · Annual Property Tax — with DTA credits for Germany, Switzerland, Singapore, Hong Kong, USA, UK.

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Calculate Your Tax Burden

All fields are optional. The calculation updates instantly as you type — no submit needed.

Transaction Details

Use the official Land Department appraisal value when available
Under 5 years: Specific Business Tax (SBT) instead of Stamp Duty
For Withholding Tax simulation on resale
Note: This calculation is based on the Thailand Revenue Code and the Land Department Circular 2024. Individual factors (inheritance, developer deals, BOI incentives) may differ. Consultation with a licensed Thai Tax Advisor is recommended.

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Double Taxation Agreements

DTA Thailand — Treaty Overview

Thailand has Double Taxation Agreements with 61 countries. Below the most relevant for DACH buyers and Asian investors.

Germany
DTA since 1968, revised 2024
Withholding on Rental Income15% max
Capital GainsTaxed in Thailand
Credit MethodCredit Method
Dividend WHT10% / 15%
Interest WHT10%
Active & Full
Switzerland
DTA since 1997
Withholding on Rental Income15% max
Capital GainsTaxed in Thailand
Credit MethodCredit Method
Dividend WHT10% / 15%
Interest WHT10%
Active & Full
Singapore
DTA since 1976, Protocol 2015
Withholding on Rental Income15% max
Capital GainsTaxed in Thailand
Credit MethodCredit Method
Dividend WHT10%
Interest WHT10%
Especially Favorable
Hong Kong
DTA since 2005, not full OECD
Withholding on Rental Income15% (no Credit)
Capital GainsTaxed in Thailand
Credit MethodExemption (limited)
Dividend WHT10%
Interest WHT10%
Limited
USA
DTA since 1998 (Treaty of Amity)
Withholding on Rental Income15% max
Capital GainsThailand + US FBAR
Credit MethodCredit Method (IRS Form 1116)
Dividend WHT10% / 15%
FBAR RequiredYes — from $10k
Active + FBAR Required
United Kingdom
DTA since 1982
Withholding on Rental Income15% max
Capital GainsTaxed in Thailand
Credit MethodCredit Method
Dividend WHT10%
Interest WHT10%
Active & Full

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