Trust Administration Attorneys in Nassau County, New York

10 trust administration firms have an office in Nassau County, New York. Each listing carries the firm's practice areas, its Nassau County office and its phone.

State

County

City

Practice Area

All Areas

Planning ahead

Estate Planning17 Tax Planning7 Special Needs Planning11 Asset Protection9 Medicaid Planning10

Settling an estate

Trust Administration10 Probate17 Probate Litigation8 Trust Litigation4

Capacity and care

Elder Law15 Guardianship10

Firm Type

Firm listings are for informational purposes only. SimplyTrust does not endorse or recommend any specific firm or attorney. Contact firms directly to discuss your situation and verify their current practice areas and availability.

10 firms

Adler Law Firm, PLLC

390 North Broadway, Suite 200, Jericho, NY 11753

Jericho (Nassau County) firm filing for Long Island families in the Nassau and Suffolk Surrogate's Courts. Handles probate, letters of administration and estate administration, wills and trusts, trustee and beneficiary representation, elder law and special-needs planning. Attorneys handle each case personally rather than passing it to staff.

Serves 2 countiesEstate PlanningTrust AdministrationProbateElder LawGuardianship+2

1-516-740-1184

Abrams Fensterman, LLP

3 Dakota Drive, Suite 300, Lake Success, NY 11042

Lake Success (Nassau County) firm guiding executors, administrators, trustees and beneficiaries through New York Surrogate's Court — probate, estate and trust administration, and contested estates and objections to a will or to fiduciary conduct. Also handles estate planning, retirement-distribution planning, Medicaid and elder law. Absorbed the Berwitz & DiTata estate practice.

Since 2000Serves 9 countiesEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+4

1-516-328-2300

Ettinger Law Firm

3000 Marcus Avenue, Suite 1E7, New Hyde Park, NY 11042

New York elder law and estate planning firm working from twelve offices — Albany, five on Long Island, three in the Mid-Hudson Valley, New City and White Plains, and Staten Island. Guides executors and families through probate and estate administration, and handles trusts built to keep an estate out of Surrogate's Court, Medicaid asset protection, Medicaid applications and estate tax savings. Nine lawyers and seventeen paralegals and support staff, practicing since 1991; consultations are no-cost, virtual or in person, and the firm takes uncontested probate only.

Since 1991Serves the whole stateFree consultationVirtual consultationsEstate PlanningTrust AdministrationProbateElder LawTax Planning+3

1-516-327-8880

Korsinsky & Klein LLP

488 Central Avenue, Suite 209, Cedarhurst, NY 11516

Brooklyn firm on Avenue L handling probate and estate administration for New York families, with a second office in Manhattan. Walks executors through collecting assets, obtaining the estate EIN, opening the estate account, paying debts and taxes, transferring estate property and closing the estate, and represents administrators distributing an intestate estate under EPTL 4-1.1. Many matters are billed at a flat fee.

Serves 3 countiesEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+5

1-212-257-0199

Law Offices of Kobrick & Moccia

1305 Franklin Avenue, Suite 170, Garden City, NY 11530

Garden City practice with by-appointment offices in Hauppauge and Harrison, covering probate and trust administration for Nassau, Suffolk, and Westchester families. Walks executors and trustees through appointment, managing assets, paying debts, and distributing property, including the case where assets were never funded into the trust and must go through probate separately. Also handles Medicaid and nursing-home planning, special-needs and blended-family planning, and IRA and retirement planning. Anthony Moccia began as a law clerk at the firm and took ownership in May of 2021.

Solo PracticeServes 3 countiesEstate PlanningTrust AdministrationProbateElder LawSpecial Needs PlanningAsset Protection

1-516-248-9500

Law Office of Andrew M. Lamkin, P.C.

781 Old Country Road, Plainview, NY 11803

Long Island solo taking families through probate and estate administration for deaths on Long Island and in the New York City area: obtaining appointment as executor or administrator, filing the petition in the county Surrogate's Court, resolving creditor claims, and distributing assets. Handles intestate administrations under New York's intestacy rules and the nine-month deadline on the New York estate tax. Also drafts wills and revocable, irrevocable, and special-needs trusts, guides trustees, and represents executors and beneficiaries in contested-will matters.

Solo PracticeServes 2 countiesFree consultationEstate PlanningTrust AdministrationProbateProbate LitigationElder Law+2

1-516-605-0625

Makofsky Valente Law Group, P.C.

600 Old Country Road, Suite 444, Garden City, NY 11530

Garden City firm on Old Country Road serving Nassau, Suffolk, and the New York City boroughs. Works alongside executors and trustees to locate, gather and liquidate assets, notify creditors and review claims within the seven-month Letters Testamentary window, file the decedent's final income and estate tax returns, prepare estate accountings and releases, and distribute to beneficiaries. Three attorneys, led by a Certified Elder Law Attorney, also handling Medicaid planning and applications, special-needs planning, and asset protection.

Since 1991Serves 7 countiesEstate PlanningTrust AdministrationProbateElder LawSpecial Needs Planning+2

1-516-228-6522

McCoyd, Parkas & Ronan LLP

1100 Franklin Avenue, The Penthouse, Garden City, NY 11530

Garden City firm of six attorneys formed in 2000 to continue Edward A. McCoyd, P.C., working across trusts and estates for Nassau County and the New York City metro area. For executors and administrators it handles the proceeding to probate the will, the inventory, settling debts, estate and fiduciary income tax returns, post-mortem tax planning, and the preparation and settlement of the executor's account, including estate administration for non-residents of New York. Also litigates will-validity disputes on both sides, contested accountings, turnover proceedings, and contested guardianships.

Since 2000Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-516-877-7000

Pierro, Connor & Strauss, LLC

1122 Franklin Avenue, Suite 300, Garden City, NY 11530

Capital Region trusts and estates practice in Latham, with offices in New York City, Garden City, Hudson and Lake Placid and more than 280 years of combined attorney experience. Handles estate and trust administration, probate, estate and trust litigation, guardianship under Article 81 and 17-A, Medicaid and special needs planning, and tax planning.

Serves 13 countiesFree consultationVirtual consultationsEstate PlanningTrust AdministrationProbateTrust LitigationElder Law+4

1-866-951-7526

Esther Schwartz Zelmanovitz, PLLC

1010 Northern Boulevard, Suite 302, Great Neck, NY 11021

Great Neck (Nassau County) firm of two attorneys serving Long Island, Queens, Brooklyn, the Bronx, and Westchester. Handles probate where there is a will and estate administration where there is not, navigating the Surrogate's Court system for executors and administrators, alongside trust administration, wills, revocable and irrevocable trusts, elder law, Medicaid planning, and special-needs trusts. Founded in 2017 by attorneys with more than two decades in elder law and estate practice; free 15-minute phone consultation.

Since 2017Serves 6 countiesFree consultationVirtual consultationsEstate PlanningTrust AdministrationProbateElder LawGuardianship+2

1-516-347-7356

Probate in Nassau County

Probate Court Record

Nassau County Surrogate's Court

Nassau County · 10th Judicial District

Phone

1-516-493-3800

nassausur.administration@nycourts.gov

Hours

Monday-Friday 9:00 AM-5:00 PM

Office

262 Old Country Road, 3rd Floor, Mineola, NY 11501

Website

Court website →

E-filing

Required for attorneys

Self-represented filing

Allowed

Self-help forms

Court forms packet

Open in Google Maps

How to file probate in Nassau County →

Verified October 16, 2026 · Source

Do I need a lawyer for probate in Nassau County? →Settling an estate in Nassau County →

Trust Administration Firms Serving Nassau County

Alatsas Law Firm

2115 Avenue U, Brooklyn, NY 11229

Brooklyn (Kings County) practice led by Theodore Alatsas, working the Brooklyn, Queens, Staten Island, New York and Nassau County Surrogate's Courts for nearly 30 years. Handles probate, administration proceedings, and trust administration, plus wills and trusts, Medicaid and long-term care planning, and asset protection. Runs estate planning workshops.

Solo PracticeServes 5 countiesFree consultationEstate PlanningTrust AdministrationProbateElder LawAsset ProtectionMedicaid Planning

1-718-233-2903

Grabie & Grabie, LLP

162 Terry Road, Smithtown, NY 11787

Smithtown elder law firm helping seniors and their families across Suffolk and Nassau counties, including Hauppauge, Nesconset, Lake Grove and Centereach. Michael C. McCarthy concentrates in probate, estate administration and guardianship, and Michele D. Morley in trust administration and asset protection, alongside the firm's core work qualifying seniors and the disabled for Medicaid-paid care at home and in nursing homes.

Serves 2 countiesEstate PlanningTrust AdministrationProbateElder LawGuardianship+2

1-631-360-5600

Leventhal Elias Law PLLC

900 South Avenue, 3rd Floor, Staten Island, NY 10314

Staten Island firm on South Avenue, with a by-appointment Manhattan office, handling estate administration where there is a will and administration where there is not, plus trust administration and trustee and fiduciary guidance. Also drafts wills, pour-over wills, and revocable, irrevocable, and asset-protection trusts, and files community and nursing-home Medicaid applications.

Serves 6 countiesEstate PlanningTrust AdministrationProbateElder LawTax Planning+2

1-718-448-6655

Mishiyeva Law, PLLC

85 Broad Street, 18th Floor, New York, NY 10004

Lower Manhattan practice on Broad Street representing beneficiaries, administrators, executors, heirs, and trustees in Surrogate's Court probate proceedings and will contests across the five boroughs, Long Island, and Westchester. Handles estate administration, ancillary probate for foreign and out-of-state decedents, SCPA 1404 examinations, contested accountings, guardianship, and federal and New York estate tax returns.

Solo PracticeSince 2015Serves 8 countiesFree consultationEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+4

1-646-233-0826

RK Law PC

40 Wall Street, Suite 2508, New York, NY 10005

Five-attorney estate practice at 40 Wall Street, appearing regularly in the New York County Surrogate's Court. Gets fiduciaries appointed — letters testamentary, letters of administration c.t.a. and d.b.n. — then handles what goes wrong afterwards: contested accountings, discovery and turnover proceedings to recover estate assets, fiduciary removal, and kinship hearings proving a right to inherit. Also runs contested Article 81 guardianships.

Serves 6 countiesFree consultationEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+4

1-917-261-4514

Tully Law Group, P.C.

532 Broadhollow Road, Suite 123, Melville, NY 11747

Melville (Suffolk County) elder law and estate planning firm with further offices in Northport and Riverhead, guiding Long Island families through Surrogate's Court. Handles probate and estate and trust administration, including informal and judicial accountings and heirship issues, plus wills and trusts and Medicaid and asset-protection planning. Its founding attorney is certified as an Elder Law Attorney by the National Elder Law Foundation; consultations are free.

Since 2016Serves 2 countiesFree consultationEstate PlanningTrust AdministrationProbateElder LawAsset Protection

1-631-424-2800

All 18 New York trust administration firms serving Nassau County →

Forms for Planning and Settling an Estate in New York

Free New York forms to plan or settle an estate: a will, trust, powers of attorney, TOD deed and the probate forms. Prepare each form for New York.

$12/month

Revocable Living Trust

Create a revocable living trust to avoid probate, protect privacy, and control asset distribution.

Get Started

Free

Pour-Over Will

In New York, a pour-over will is signed before 2 witnesses and moves anything left outside the trust into it through probate.

Get Started

All New York forms

Tools for Planning and Settling an Estate in New York

Free calculators and checklists to plan or settle an estate in New York: will and trust costs, probate, executor pay and taxes. Run each tool for New York.

How Do I Settle a Trust?

Settling a trust in New York happens outside court: the trustee acts under the state's trust statute, notifies the beneficiaries, then pays the debts and distributes under the trust's terms.

See the Steps

What's Fair Trustee Compensation?

In New York, trustee compensation follows a statutory fee schedule unless the trust instrument sets a different amount. The schedule is an annual commission on principal.

Calculate the Fee

How Do I Settle an Estate?

Settling an estate in New York: the personal representative files the estate inventory within 270 days of appointment; creditors have 7 months to present claims; a simple estate closes in 7 months to 9 months.

See the Steps

Do I Have to File Tax Returns for Someone Who Died?

New York requires a final state income tax return for the decedent alongside the federal Form 1040; a federal estate tax return (Form 706) is required only for estates above $15,000,000.

Get the Answer

How Does Step-Up in Basis Work?

Inherited assets in New York take a basis reset to fair market value on the date of death, and the gain on a later sale faces ordinary income tax at the state's regular rates.

Calculate the Tax

All New York tools

Trust Administration Attorneys in Nassau County, New York

Probate in Nassau County

Nassau County Surrogate's Court

Trust Administration Firms Serving Nassau County

Forms for Planning and Settling an Estate in New York

Revocable Living Trust

Pour-Over Will

Tools for Planning and Settling an Estate in New York

How Do I Settle a Trust?

What's Fair Trustee Compensation?

How Do I Settle an Estate?

Do I Have to File Tax Returns for Someone Who Died?

How Does Step-Up in Basis Work?

Your kids shouldn't have to do this.

Trust Administration Attorneys in Nassau County, New York