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A title search is the single most critical safeguard in any Thai property transaction, serving as the buyer's definitive defense against fraud, legal disputes, and financial loss. In Thailand's registry-centric legal system, ownership and rights over land are determined not by physical possession alone, but by what is officially recorded on the title deed and its accompanying records at the Land Department . This comprehensive guide provides an in-depth examination of the title search process in Thailand, covering the legal framework, hierarchy of title deeds, step-by-step procedure for conducting a search, interpretation of findings, common risks, and essential additional due diligence measures that protect your investment.

The Legal Foundation: Why the Land Office Extract is Definitive

Thai property law operates on a fundamental principle: rights are established and prioritized by their entry in the official register maintained by the Land Department . The Land Office extract (known in Thai as Thor Ror 2 or ทะเบียนที่ดิน) is the definitive source of truth for any property transaction. This official document reveals the current registered owner, any encumbrances such as mortgages or liens, servitudes or easements, and the recent chain of transfers .

Financial institutions rely exclusively on this extract for lending decisions, and most Thai banks will only accept Chanote-backed collateral or insist on upgrading lesser titles before approving a loan . The legal framework governing title searches includes the Land Code Act B.E. 2497 (1954) , which governs land registration, title deeds, and ownership rights; the Civil and Commercial Code, covering contract laws, property transfers, and land disputes; and the Condominium Act B.E. 2522 (1979) , which defines ownership rights for foreigners purchasing condominiums .

A title search conducted at the local Land Office confirms several critical facts: the current registered owner and their legal right to sell, whether the property is subject to mortgages, liens, usufructs, leases, or other encumbrances, the accuracy of land boundaries, and whether the land faces any government restrictions or pending litigation . Skipping this step exposes the buyer to significant risks, including fraudulent ownership claims, undisclosed debts, boundary disputes, and even the complete inability to transfer ownership .

The Hierarchy of Thai Title Deeds

Thailand's land documentation system features a hierarchy of titles, each conferring different levels of ownership security. Understanding these distinctions is fundamental to interpreting a title search correctly .

Nor Sor 3 Gor — Confirmed Certificate of Use

The Nor Sor 3 Gor is a recognized title that grants possessory rights with defined boundaries, though with less precision than a Chanote . It is based on an unofficial survey that has been correlated with cadastral records. While less precise than a Chanote, it can be upgraded through a formal re-survey and administrative process . Many banks will accept Nor Sor 3 Gor as collateral, though it may require additional verification .

Nor Sor 3 — Basic Possessory Rights

The Nor Sor 3 title indicates a claimed or registered right of use and possession, but with significant uncertainty regarding boundaries . Surveying is incomplete, making land disputes more likely than with higher-grade titles . Transfers require a public announcement period, and upgrading to a Chanote is advisable before full freehold acts like mortgaging are pursued .

Sor Kor 1 and Similar Possessory Certificates

Documents such as Sor Kor 1 or Por Bor Tor 5 represent the lowest tier of land documentation . These are typically evidence of occupation or notification of possession, often covering agricultural or community land, but they do not equate to freehold ownership . Such documents provide no ownership rights and do not allow legal transfer . Extreme caution is advised when encountering these titles, as they are generally unsuitable for standard property transactions .Title Deed TypeLegal RightsForeign OwnershipRisk LevelChanote (Nor Sor 4 Jor)Full ownership, GPS-surveyed boundariesOnly through Thai company or leaseholdLowestNor Sor 3 GorPossessory rights, surveyed boundariesOnly through leaseholdLow to ModerateNor Sor 3Possessory rights, unclear boundariesOnly through leaseholdModerate to HighSor Kor 1 / Por Bor Tor 5Temporary land use, no ownershipNot permittedHighest

The Title Search Process: Step by Step

Conducting a title search requires engaging with the Land Office where the property is registered, as records are maintained locally rather than in a centralized national database .

Step 1: Submit a Request at the Land Office

The buyer or their legal representative must visit the local Land Office in the province where the property is located . A formal request is submitted to review the specific title deed and land registry records. This can be done in person or through a lawyer holding a valid power of attorney .

Step 2: Obtain a Certified Copy of the Title Deed

The Land Office provides a certified copy of the title deed, known as the extract or Thor Ror 2. This document shows the current registered owner, land plot number, area, and survey markings . It is essential to obtain a fresh, original extract on the day of due diligence, as online copies or old extracts can miss intervening registrations that may have occurred .

Step 3: Verify Ownership and Chain of Title

Land Office officials verify the current registered owner and trace the chain of title back as far as possible . This examination checks for unusual gaps, repeated transfers, or late date alterations that might indicate problems . The name on the title deed must match the seller's identification documents exactly .

Step 4: Check for Encumbrances and Registered Rights

The reverse side of the title deed records any registered encumbrances that affect the property . These may include:

Mortgages: The property may be collateral for a loan, which must be discharged before transfer 

Leases: Registered leases (those exceeding three years) bind subsequent owners 

Servitudes/Easements: Rights of way or other use rights affecting the property 

Usufruct or Superficies: Registered rights granting others the right to use or build on the land 

Court Orders or Attachments: Pending litigation or legal seizures noted on the title 

Even a small registered lien can prevent a clean transfer until it is properly discharged .

Step 5: Verify Land Boundaries Through Physical Survey

While the title search reveals what is on paper, a physical inspection confirms reality on the ground . Engaging a licensed surveyor to verify that physical boundary markers match the title's coordinates and cadastral map is strongly recommended . The surveyor's GPS report and photographic evidence can identify encroachments, boundary disputes, or discrepancies that could derail a transaction . This step is particularly important for Nor Sor 3 and Nor Sor 3 Gor titles, where boundary uncertainty is more common .

Step 6: Conduct Litigation and Background Checks

A litigation search should be conducted to check whether there are any court cases against the owner that may affect the property . This includes checking police or court records for pending disputes or criminal complaints involving the owner or property .

Additional Due Diligence Beyond the Title Search

A thorough property investigation extends beyond the title search to encompass regulatory and physical considerations that could affect the property's value and usability.

Zoning and Land Use Restrictions

Zoning laws, municipal regulations, and environmental rules determine how the land may be used . Due diligence should verify:

Building height restrictions

Coastal setback rules (critical for beachfront properties)

Environmental Impact Assessment (EIA) requirements for large developments

Factory or commercial usage restrictions

Flood-risk zones in provinces such as Bangkok and Chiang Mai 

Failing to check zoning rules may result in the inability to build or develop the property as intended .

Building Permits and Construction Legality

For properties with existing structures, due diligence must include verification of building permits and construction approvals . Buyers should confirm:

That construction permits were properly granted by the local municipality

That the building was constructed in accordance with approved plans

That completion certificates were issued where required 

Unauthorized or non-compliant construction may lead to enforcement actions by authorities, including orders to modify or demolish parts of the structure .

Access Rights

Generally, a plot of land should have access to a public road, whether directly adjacent or through another landowner's property . If access will be through another person's land, a servitude should be registered over the land granting the right to access . The title search should identify any registered rights of way, but unregistered easements may require additional investigation .

Condominium-Specific Due Diligence

For condominium purchases, additional due diligence is required :

Foreign quota availability: Verify that the specific unit falls within the 49% foreign ownership quota of the project's total sellable area 

Juristic person financial statements: Review management office financial health

Unpaid common area fees: Check for outstanding fees by previous owners

Sinking fund balance: Ensure adequate reserves for major repairs 

Building insurance and maintenance records: Assess overall property management quality

FET Form Requirement for Foreign Buyers

For foreign buyers remitting funds from overseas, the Foreign Exchange Transaction Form (FET Form) is mandatory for registering ownership transfer at the Land Office . When transferring funds to a Thai bank, the payment instruction must explicitly state "for the purchase of condominium unit [Unit Number, Project Name]." The receiving Thai bank will then issue the FET form, which proves that foreign currency was brought into Thailand for the specific purpose of the purchase . This document is essential for condominium ownership registration and should be prepared in advance .

Common Issues Uncovered During Title Searches

A thorough title search frequently reveals problems that would otherwise remain hidden until too late .

Fraudulent Ownership Claims

Scammers sometimes present falsified documents or impersonate true owners . Common schemes include forged title deeds and double sales where the same property is sold to multiple buyers . Obtaining a fresh, original Land Office extract on the day of closing is the primary defense against such fraud . Requiring sellers to appear in person with original identification documents that match Land Office records provides additional protection .

Undisclosed Encumbrances

Properties may carry mortgages, leases, or other registered rights that the seller fails to disclose . A title search reveals these encumbrances, which must be contractually addressed before transfer . Obtaining a fresh extract on the closing day itself is advisable, as new registrations could theoretically occur between an earlier search and the transfer date .

Ownership Disputes

Claims from multiple parties may arise due to inheritance issues, fraudulent transfers, or family conflicts . The chain of title examination helps identify potential disputes before they become the buyer's problem .

Boundary Disputes

In Thailand, boundary disputes are common, especially with Nor Sor 3 and Nor Sor 3 Gor titles . Physical surveys help identify discrepancies early and prevent future conflicts with neighboring landowners .

Illegal Structures

Buildings constructed without proper permits or in violation of regulations may appear compliant on the surface but create significant legal exposure for buyers . Reviewing construction permits and verifying compliance with approved plans is essential .

A standard title search can typically be completed within one to two weeks, though longer periods may be required if additional surveys or legal clarifications become necessary . The Land Office transfer itself is usually completed on the same day if all documentation and fees are in order, but delays can occur if remittances, powers of attorney, or tax clearances are missing .

Mitigation strategies include using escrow services, requiring original receipts, obtaining seller indemnities, and for large deals, using title insurance where available .

Special Considerations for Foreign Buyers

Foreign nationals face additional layers of complexity in Thai property transactions, making thorough title searches even more critical .

Foreign Ownership Restrictions

The Land Code generally prohibits foreigners from owning land, with very narrow statutory exceptions . Foreigners can own condominium units outright, but only within the 49% foreign quota of a project's total sellable area . A title search for condominium purchases must verify that the specific unit falls within this available foreign quota .

Alternative Structures: Leaseholds, Usufructs, and Superficies

Foreigners commonly utilize registered long-term leases, usufructs, or superficies as alternatives to land ownership . Each structure carries legal nuances and risks that require careful examination during due diligence:

Leaseholds: Maximum lease term is 30 years under the Civil and Commercial Code . Recent Supreme Court rulings (such as Judgment 4655/2566) have clarified that automatic renewal clauses are contractual promises, not "real rights" attached to the land .

Usufructs and Superficies: These registered rights grant usage rights but require precise legal structuring .

The Nominee Structure Warning

Some foreign buyers have used "Thai company" structures to bypass land ownership restrictions, involving Thai "nominee" shareholders holding majority shares . This practice is prohibited under the Foreign Business Act . In 2024 and 2025, the Department of Business Development significantly increased its scrutiny of such entities, using data integration to identify inactive companies with no real business operations that hold land . Investors are strongly advised to stick to transparent options—foreign freehold condominiums or registered leaseholds—as nominee structures may result in forced disposal, penalties, or criminal liability .

Practical Tips for a Successful Title Search

Obtain a fresh original Land Office extract on day one . Do not rely on copies provided by the seller.

Commission a licensed surveyor to verify monuments versus coordinates . Physical verification prevents boundary disputes.

Check chain of title, encumbrances, and servitudes thoroughly . Trace ownership history back as far as possible.

Verify seller identity and authority . For individuals, check ID documents; for companies, verify board minutes and signatory authority at the Department of Business Development .

Use escrow and make registration a closing condition . Do not release full payment until the Land Office has completed registration.

For foreign funds, prepare FET/bank remittance proof in advance . Ensure payment instructions specify the purpose of the transfer.

Keep originals secure and get certified translations where needed .

Conclusion

A title search in Thailand is far more than a bureaucratic formality—it is an indispensable safeguard that protects buyers from the significant risks inherent in property transactions . By obtaining a fresh Land Office extract, understanding the hierarchy of title deeds from the gold-standard Chanote to the precarious Sor Kor 1, verifying physical boundaries with a licensed surveyor, and checking for encumbrances, zoning restrictions, and foreign ownership compliance, buyers can ensure they receive clear, marketable, and legally secure ownership rights .

The complexity of Thai property law and the serious consequences of oversight make engaging qualified local legal professionals not merely advisable, but essential for any significant property investment in the Kingdom . With proper due diligence, investors can protect their interests, avoid costly disputes, and achieve long-term peace of mind in Thailand's dynamic real estate market .