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Thailand Property Due Diligence: 47 Checks Before Buying
A 47-point working checklist for Thai property buyers, separating title, seller, approvals, technical condition, management, costs and transfer checks.
Ananas Editor Team
Editors
Jun 19, 2026 · 10 min read
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Before buying a home in Thailand, use these 47 checks to organise the questions, documents and professional inspections that should come before a commitment.
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Sources & Verification
- Chanote is Nor Sor 4; Nor Sor 3 Gor is a different land document. Have the particular record and its rights checked independently. — Government Housing Bank — land-title distinctionsSource
- The general foreign condominium quota is area-based. Confirm both your eligibility and the quota available for the transaction. — BOI OSOS — condominium ownership orientationSource
- Company records and filed financial information help identify a corporate seller. Its authority for the sale still needs separate verification. — Ministry of Commerce — DBD DataWarehouse+ explanationSource
- ONEP explains approved-project searches. Ask which environmental approval requirements apply and verify the relevant decision. — ONEP — official Smart EIA explanationSource
- Land Office documents depend on the transaction, including relevant identity, signing-authority and condominium certificates. Confirm your actual transfer file in advance. — Department of Lands via Info.go.th — transfer service documentsSource
