Estate Administrator Petition

Inheritance, probate & family pension reference — 60 answers

Compiled from the Civil & Commercial Code Book VI (succession, §1629 and §1655-1672), the Inheritance Tax Act B.E. 2558, Revenue Code §42(27)(28) and §48(4), Land Code §93, Condominium Act §19, the Child Adoption Act B.E. 2522 with the Hague 1993 Convention, and the Social Security Act B.E. 2533, as cited on each service page. Court fees, publication costs and government charges are official rates passed through at cost; stated durations are estimates that depend on court and registry queues.

• Q16099. What is Estate Administrator Petition and what does NYC Legal handle?

  Estate Administrator appointment is filed at Civil Court (Bangkok) or Provincial Court. Court fee THB 200 + publication THB 500 + attorney quoted on request. Uncontested cases conclude in 2-4 months. NYC Legal manages every step from petition filing to court order issuance.

• Q16100. How much does Estate Administrator Petition cost and how long does it take?

  Attorney fee quoted on request; typical duration 2-4 months uncontested, 12-36 months contested. Court filing fees and newspaper publication costs are official rates passed through at cost, and durations are estimates that depend on court and registry queues.

• Q16101. Who is Estate Administrator Petition suitable for?

  Civil Court petition for Estate Administrator appointment — Petition to Civil/Provincial Court for Estate Administrator appointment. Uncontested 2-4 months. quoted on request. Contested THB 95,000+.

• Q16102. Who Needs an Estate Administrator (Estate Administrator Petition)

  Per §§1711-1733, an Estate Administrator is required when the deceased owned assets subject to registry transfer — land titles, condominiums, company shares, bank deposits. Banks, Land Department, and DBD will not transfer such assets directly to heirs without a court order, even if a will exists. Personal property (cash, gold, vehicles) can be distributed informally without court involvement.

• Q16103. Required Documents (Estate Administrator Petition)

  (1) Death certificate; (2) Deceased's cancelled house registration; (3) Petitioner's Thai ID + house registration; (4) Heirship proof (birth/marriage certificates); (5) Estate asset inventory with titles/bankbooks/company registration; (6) Consent letters from all other heirs (uncontested cases); (7) Will, if any. Foreign documents must be translated and apostilled.

• Q16104. Court Process Timeline (Estate Administrator Petition)

  Step 1: File petition at Civil/Provincial Court where deceased was domiciled; Step 2: Court schedules hearing, typically 30-60 days from filing; Step 3: Newspaper publication twice over one month; Step 4: Hearing — petitioner and witnesses testify; Step 5: Court issues appointment order, typically 7-14 days post-hearing; Step 6: Certified copies and certification letter, 5-7 days. Total: 2-4 months.

• Q16105. Contested Heir Cases (Estate Administrator Petition)

  If heirs dispute the appointment, challenge heir hierarchy (§1629), or contest succession rights, the case enters full evidentiary proceedings lasting 12-36 months. Attorney fees range quoted on request depending on complexity and estate value. NYC Legal has handled 240+ contested estate cases over the past 5 years, including multi-jurisdiction foreign heir disputes.

• Q16106. How long does it take?

  Uncontested: 2-4 months. Contested: 12-36 months. Expedited cases (overseas heirs needing fund transfers) can request court priority, reducing to 6-8 weeks.

• Q16107. When are attorney fees paid?

  Split in three: 40% upon engagement, 40% upon petition filing, 20% upon court order receipt. Payment via the firm's Trust Account.

• Q16108. Must the administrator be Thai?

  No — foreigners can serve as administrators but must be domiciled in Thailand or have a Thai representative, and must testify in person (or via court-approved video conference).

• Q16109. What if overseas heirs cannot attend court?

  Submit a consent letter executed at the Thai Embassy or apostilled (for Hague states). No need for the heir to travel to Thailand.

• Q16110. What happens after appointment?

  (1) Asset collection; (2) Estate debt settlement; (3) Inheritance tax filing (if > THB 100M); (4) Distribution per will/statute; (5) Accounting report to heirs. NYC Legal offers Post-Appointment service quoted on request.

• Q16111. Which sources back the Estate Administrator Petition page?

  Cited sources: Civil & Commercial Code §1711-1733 (https://www.krisdika.go.th) · Civil Procedure Code (https://www.coj.go.th)

• Q16112. Does the Hague Apostille change Estate Administrator Petition paperwork?

  Not yet. Thailand deposited its instrument of accession on 30 June 2026 and the Hague Apostille Convention enters into force for Thailand on 28 February 2027. Until then, foreign wills, death certificates and probate orders still need MFA Department of Consular Affairs legalisation plus embassy authentication.

• Q966034. What are the end-to-end steps for estate administrator?

  We start with a document and fact review, prepare and verify the file, submit to the courts and the relevant Land Office, follow up on any queries raised by officials, and hand over the completed result with a full copy set. For estate administrator a case manager tracks every stage and reports status. Call +66 83-249-4999 · LINE @NYCLI · nyclegal@ilc.ltd

• Q966036. Which documents are required for estate administrator?

  The baseline set is the applicant's ID or passport, the original documents relating to estate administrator, proof of connection (house registration, company affidavit or the underlying contract) and a power of attorney if a representative attends. The exact list follows the courts and the relevant Land Office requirements on the filing date; we send a case-specific checklist before your appointment.

• Q966038. How long does estate administrator take?

  Timing depends on the courts and the relevant Land Office queue, how complete your file is, and public holidays. Our own preparation usually takes a few business days; the official stage is an estimate that can shift. We give you a realistic estate administrator timeline before starting and update you as it progresses.

• Q966040. What costs are involved in estate administrator and how are they calculated?

  There are two components: official government fees passed through at the published rate, and our professional fee, which depends on scope, document volume and urgency of estate administrator. Fees are quoted case by case based on complexity and document volume — ask our team before work starts. You always receive a written breakdown before work begins — no hidden charges.

• Q966042. Can estate administrator be handled if I live upcountry or overseas?

  Yes. Send photos of your documents via LINE for a feasibility check, then we proceed under a power of attorney, or you sign at a Royal Thai Embassy/Consulate where you live and courier the originals back. For estate administrator we map out the fastest and safest option before you commit.

• Q966044. What are the most common mistakes in estate administrator and how do we prevent them?

  The usual causes of rejection are name spellings that differ between documents, documents that expire before the filing date, uncertified copies, and translations that do not match the original. the courts and the relevant Land Office returns files for exactly these reasons, so we cross-check names, dates and seals across every page before submitting estate administrator.

• Q966046. Which laws or regulations govern estate administrator?

  The framework is set by Book VI of the Civil and Commercial Code and the Inheritance Tax Act B.E. 2558, together with the regulations and notifications issued by the courts and the relevant Land Office, which are revised from time to time. Before advising on estate administrator we verify the version in force on the filing date and rely on official sources rather than second-hand summaries.

• Q966048. What happens if estate administrator is rejected or returned for correction?

  First we obtain the written reason from the courts and the relevant Land Office, then separate formal defects (fixable and quickly refiled) from substantive or eligibility issues (which need a change of approach). Where the error is ours, we redo estate administrator at no extra professional fee and coordinate until the matter is resolved.

• Q966050. Who is estate administrator for, and what are the eligibility conditions?

  It suits anyone who must present the result of estate administrator to a government body, bank, educational institution or overseas counterparty. Applicant eligibility and supporting documents follow the courts and the relevant Land Office rules; some cases require the document holder in person or a properly executed power of attorney. We screen eligibility free of charge before accepting the case.

• Q966052. How long does the result of estate administrator stay valid?

  Certified documents rarely carry an expiry date themselves, but most receiving authorities require issuance within 3–6 months of submission, and some are stricter. Check the destination's rule before starting estate administrator so nothing has to be redone; we plan the sequence around your filing deadline.

• Q966054. Does estate administrator also need an English or target-language translation?

  If the receiving body is overseas, a certified translation is normally required, and many countries insist on their own official language rather than English. We confirm the destination rule first, then produce a translation aligned with estate administrator and certify it in the same workflow to avoid extra rounds.

• Q966056. Should I handle estate administrator myself or use a service provider?

  Doing it yourself saves the professional fee but leaves you carrying the risk on document format, queueing and travel time, plus shifting the courts and the relevant Land Office practice. A provider reduces rejection loops and gives you someone accountable for follow-up. For estate administrator we are happy to give initial guidance even if you proceed on your own.

• Q966058. Is there an express option for estate administrator?

  We can prioritise our own preparation subject to capacity, but any stage controlled by the courts and the relevant Land Office follows official procedure and cannot be guaranteed to a fixed date. We tell you plainly what the fastest realistic estate administrator window is and offer alternatives if your deadline is too tight.

• Q966060. How is my data protected when you handle estate administrator?

  We process personal data under Thailand's Personal Data Protection Act B.E. 2562 (PDPA), use it only to carry out estate administrator as instructed, restrict access to the assigned team, and return or destroy originals on your instruction. You may exercise access or deletion rights at any time.

• Q966062. What happens after estate administrator is completed?

  Check names, dates and seals as soon as you receive the result of estate administrator, keep at least one digital copy, and submit to the receiving authority within its validity window. If the destination requires further legalisation — for example the Department of Consular Affairs or an embassy — we continue the chain in the same engagement.

• Q966064. What risks should I know before starting estate administrator?

  The main risks are destination rules changing mid-process, historic documents that no longer match current facts, and deadlines so tight that no correction round is left. We confirm requirements with the courts and the relevant Land Office or the receiving body before filing estate administrator and build correction time into the plan.