The Long Island Estate Guide: Nassau vs. Suffolk, Mineola & Riverhead

On Long Island, your estate is administered by one of two Surrogate’s Courts — the Nassau County Surrogate’s Court in Mineola or the Suffolk County Surrogate’s Court in Riverhead — depending on the county where you were domiciled at death. Long Island is not a single legal jurisdiction; it is two large counties governed by New York’s EPTL (substantive estate law) and SCPA (procedure). For most Long Island families, the estate centers on a deeded single-family home, not a Manhattan-style co-op — which changes how title transfers and what the executor must do.

The two courts (verified details)

	Nassau County	Suffolk County
Court	Nassau County Surrogate’s Court	Suffolk County Surrogate’s Court
Address	262 Old Country Road, Mineola, NY 11501	320 Center Drive, Riverhead, NY 11901
Phone	516-493-3800 (verify)	631-852-1745 (verify)
Governing law	EPTL + SCPA	EPTL + SCPA
Venue rule	Nassau domicile (SCPA 205–206)	Suffolk domicile (SCPA 205–206)
E-filing	NYSCEF	NYSCEF

If you lived in Garden City, Hempstead, Levittown, or Great Neck, your estate goes to Mineola. If you lived in Huntington, Babylon, Islip, Patchogue, Riverhead, or the Hamptons, it goes to Riverhead.

Local property and asset realities

Long Island estates look different from the rest of downstate New York:

• Single-family homes (real property). The defining asset. Unlike a Manhattan co-op (shares + proprietary lease), a Long Island home is deeded real estate that must be transferred by deed through the estate or a trust. New York has no transfer-on-death deeds, so a solely owned home passes through probate unless planned around.
• Appreciated value. Homes in Garden City, Manhasset, or the East End have often multiplied in value, creating New York estate tax cliff exposure for families who never felt wealthy.
• Boats. A common Suffolk and South Shore asset — titled property the executor must insure, store, and transfer.
• Closely held businesses. Family businesses across both counties require valuation and careful succession.
• East-End second homes. Seasonal homes in the Hamptons, Montauk, or the North Fork add value (and sometimes a second-state issue if the owner also claims Florida domicile).

Local filing realities

Both courts use NYSCEF e-filing, and both maintain help centers for self-represented filers (no legal advice given). Filing fees follow the graduated SCPA 2402 schedule (roughly $45 to $1,250 by estate value — verify current amounts). Realistic timelines for an uncontested estate run about 7 to 12 months; both counties are high-volume downstate courts, so simple matters still take months.

County-specific quirks

1. The Riverhead distance. The Suffolk Surrogate’s Court sits at the far eastern end of the county. For a family in Babylon or Huntington, any in-person appearance can mean an hour-plus drive each way — a genuine reason to use e-filing and counsel who appear for you.
2. Domicile vs. second home. Suffolk’s seasonal-home culture makes the domicile question (SCPA 205) recurring: a winter-in-Florida retiree who keeps a Sag Harbor house must be assessed for true domicile, which sets venue and even whether New York estate tax applies.
3. Two courts, one mistake. Filing a Nassau estate in Riverhead (or vice versa) is the most common Long Island procedural error — venue is fixed by county of domicile, not convenience.

Neighborhoods and sub-areas

Long Island estate planning is grounded in real communities: in Nassau, places like Garden City, Mineola, Hempstead, Levittown, Massapequa, Manhasset, and Great Neck; in Suffolk, Huntington, Smithtown, Babylon, Islip, Patchogue, Riverhead, and the East-End villages of Southampton, East Hampton, Sag Harbor, and Montauk. Each carries its own property values and asset mix.

A worked Long Island scenario

Consider a widow domiciled in Massapequa (Nassau County) who dies with a will leaving everything to her two children. Her estate: a single-family home purchased decades ago for $90,000 now worth roughly $750,000, a $200,000 brokerage account, a small boat, and a life insurance policy with the children named as beneficiaries.

• The life insurance passes outside probate directly to the children (beneficiary designation).
• The home, brokerage account, and boat are probate assets — the executor files the will in Nassau (Mineola) under SCPA 1402, obtains letters testamentary, and transfers title.
• The executor watches estate tax cliff exposure: the appreciated home plus accounts may approach the New York exemption.
• After paying debts (SCPA 1802 creditor window) and accounting to the children, the executor deeds the home and distributes the rest.

Had she instead placed the home in a funded revocable trust, the home would have bypassed probate entirely.

Mini-FAQ for Long Island

Is Long Island one Surrogate’s Court? No. Nassau (Mineola) and Suffolk (Riverhead) are two separate courts; the decedent’s county of domicile controls.

My parent had a Hamptons summer house but lived in Nassau — where do we file? In Nassau (Mineola), because venue follows domicile, not the location of a second home (SCPA 205–206).

Does my Long Island house automatically avoid probate? No. A solely owned, deeded home passes through probate unless it is in a trust, jointly owned with survivorship, or otherwise titled to pass outside the estate.

How far is the Suffolk Surrogate’s Court? It is in Riverhead on the East End — far from western Suffolk towns like Babylon and Huntington, so plan travel time for in-person appearances.

Where to get help locally

Whether your estate sits in Nassau or Suffolk, mapping your home, accounts, and family to the EPTL and SCPA is what prevents avoidable probate cost and estate-tax surprises. Explore the wills, trusts, probate process, and executor duties pages, then bring your questions to a consultation.

This page is informational and not legal advice. Book a 30-minute consultation with Russel Morgan.