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When a Long Island resident passes away leaving a will, that will does not take legal effect on its own. Before an executor can sell the Massapequa house, close the Bethpage bank account, or distribute a parent’s estate, the will must be proven valid in the county Surrogate’s Court and the executor must receive official authority to act. On Long Island, an estate of a person who lived in Hempstead, Garden City, Glen Cove, Long Beach, or anywhere in Nassau County is administered through the Nassau County Surrogate’s Court in Mineola. Morgan Legal Group, led by attorney Russel Morgan, Esq., guides Long Island families through every stage of that process under New York’s Surrogate’s Court Procedure Act (SCPA) and Estates, Powers and Trusts Law (EPTL).

Probate can feel overwhelming when you are also grieving. Our role is to make the path concrete: prepare the petition correctly, satisfy the court’s notice requirements, respond to any objections, and secure the Letters Testamentary that let you administer the estate without delay.

What Probate Means in Nassau County

Probate is the court-supervised process of validating a decedent’s last will and testament and formally appointing the person named in it as executor. The Nassau County Surrogate’s Court has jurisdiction when the decedent was domiciled in Nassau County at death — whether they lived in Freeport, Great Neck, Levittown, or Oyster Bay. Once the court is satisfied that the will is genuine and properly executed, it issues Letters Testamentary under SCPA §1414, the document that proves to banks, brokerages, and title companies that the executor has authority to act.

Without Letters, an executor’s hands are tied. With them, the executor can marshal assets, settle debts, and ultimately distribute the estate to the beneficiaries named in the will.

The Core Steps in a Long Island Probate

  1. File the Petition for Probate with the Nassau County Surrogate’s Court, together with the original signed will and a certified copy of the death certificate.
  2. Obtain jurisdiction over the distributees — the people who would inherit under New York intestacy law if there were no will. Each must either sign a waiver and consent or be served with a citation directing them to appear.
  3. Return date and decree. If no one files objections by the return date, the court signs a decree admitting the will to probate.
  4. Letters Testamentary issue to the executor under SCPA §1414.
  5. Administration: the executor collects assets, pays valid debts, files final income and any estate tax returns, and distributes what remains to the beneficiaries.

For a deeper walkthrough, see our probate overview and our Surrogate’s Court guide.

Long Island Probate at a Glance

Item Detail (verify with the court / your attorney)
Court Nassau County Surrogate’s Court (Mineola), for Nassau-domiciled decedents
Governing law SCPA and EPTL
Executor’s authority Letters Testamentary — SCPA §1414
Interim authority Preliminary Letters Testamentary — SCPA §1412
Typical timeline Roughly 3–6 months when uncontested
Court filing fee Graduated by estate value — SCPA §2402 (confirm exact amount with the court)
Small estates Voluntary administration — SCPA Article 13
NY estate tax exclusion (2026) $7,350,000 (cliff at 105% = $7,717,500)

This table is general guidance, not a fee schedule. Filing fees and timelines depend on the specific estate; confirm with the Nassau County Surrogate’s Court or counsel.

Preliminary Letters: Acting Quickly When Time Matters

Sometimes an estate cannot wait for the full probate process to conclude — a Long Island business needs managing, a mortgage on the family home must be paid, or property needs to be secured. SCPA §1412 allows the court to grant Preliminary Letters Testamentary to the nominated executor, giving interim authority to handle pressing matters while the probate petition is pending. This is especially valuable when a will is contested and the full proceeding may take longer than usual. We routinely request preliminary letters where speed protects estate assets.

Executor Duties on Long Island

Serving as executor is a fiduciary role with real legal responsibility. The executor must act in the beneficiaries’ best interests, keep estate funds separate, maintain accurate records, and avoid self-dealing. Core obligations include inventorying assets, notifying creditors and paying legitimate debts, filing the decedent’s final income tax return, addressing any estate tax exposure, and distributing the estate according to the will. Mistakes can expose an executor to personal liability. Our firm supports executors through each duty — read more on our executor duties page.

Small Estates and the Estate Tax Picture

Not every Long Island estate requires full probate. Where the personal property of the estate is modest, SCPA Article 13 voluntary administration offers a streamlined, affidavit-based alternative — though real property is generally excluded from this procedure. If a Nassau County estate qualifies, this path is faster and less costly than formal probate. Learn whether your situation fits on our small estate affidavit page.

On the tax side, New York imposes its own estate tax separate from the federal system. For 2026, the New York exclusion amount is $7,350,000. New York’s estate tax has a notorious “cliff”: once an estate exceeds 105% of the exclusion — $7,717,500 — the exclusion phases out entirely and the tax applies to the whole estate, not just the excess. Long Island estates, where home values are high, can approach these thresholds faster than families expect, which is why early planning and accurate valuation matter.

When Probate Is Contested

Disputes over a will — claims of undue influence, lack of capacity, improper execution, or a more recent will — are resolved through litigation in the Surrogate’s Court. A distributee who receives a citation may file objections, triggering discovery, depositions of the attesting witnesses (an SCPA §1404 examination), and potentially a trial. Whether you are an executor defending a valid will or a family member with legitimate concerns, our litigators handle these matters with care. See our contested probate page for more.

Frequently Asked Questions

Which court handles probate for a Long Island estate?
If the decedent was domiciled in Nassau County — for example in Mineola, Hempstead, Garden City, or Long Beach — the matter is filed in the Nassau County Surrogate’s Court. The court that handles your case depends on where the decedent legally resided.

How long does uncontested probate take in Nassau County?
Many uncontested Long Island probates conclude in roughly 3 to 6 months. Timing depends on how quickly distributees sign waivers, whether citations must be served, and the court’s calendar. Contested matters take longer.

How much does a probate attorney cost on Long Island?
Attorney fees commonly range from about $3,000 to $10,000 depending on the size and complexity of the estate. The court’s filing fee is separate and is graduated by estate value under SCPA §2402; confirm the exact amount with the court.

What is the difference between Letters Testamentary and Preliminary Letters?
Letters Testamentary (SCPA §1414) grant full executor authority after the will is admitted to probate. Preliminary Letters Testamentary (SCPA §1412) grant limited, interim authority while the petition is still pending so urgent matters can be handled.

Can a small Nassau County estate skip full probate?
Possibly. If the estate’s personal property is modest, SCPA Article 13 voluntary administration may apply through a simple affidavit. Real property is generally excluded, so this option does not fit every estate.

Speak With a Long Island Probate Attorney

Whether you are a named executor in Massapequa, a beneficiary in Glen Cove, or a family member unsure where to begin, Morgan Legal Group can guide you through the Nassau County Surrogate’s Court. Schedule a consultation with attorney Russel Morgan, Esq. to discuss your estate.

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Further reading from Morgan Legal Group: ways to keep an estate out of probate.