Atty. Stephen David Lassar

Atty. Stephen David Lassar

Work Experience: 2024 - Present, Managing Director, CBIZ MHM, LLC 2007 - 2024, Partner, Marcum LLP 1999 - 2007, Director, CBIZ MHM, LL

New York New York 56 J. Erfahrung 56 year
Call (212) 485-5650 Book Appointment

Profile Summary

About Stephen David Lassar at a glance

Stephen David Lassar is a Member based in New York, New York, practicing at Lassar & Cowhey LLP. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on trusts, probate, estate planning, business, and tax. Admitted to practice in New York U.S. Tax Court U.S. Supreme Court United States District Court for the Southern District of (1970). Educated at Brooklyn Law School (J.D., 1969) and City College of the City University of New York (B.B.A. New, 1966). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

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Work Experience

2024 - Present, Managing Director, CBIZ MHM, LLC 2007 - 2024, Partner, Marcum LLP 1999 - 2007, Director, CBIZ MHM, LL

Practice Areas Explained

Stephen David Lassar's Areas of Practice

Each practice area below reflects the types of cases Stephen David Lassar handles, with a brief overview of what that area of law covers.

Trusts

Stephen David Lassar is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Probate

Stephen David Lassar is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in New York →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Stephen David Lassar is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Stephen David Lassar is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Stephen David Lassar is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Stephen David Lassar

Where is Stephen David Lassar's law office located?
Stephen David Lassar's law practice is located in New York, New York. The firm is Lassar & Cowhey LLP. You can contact the office directly through this profile page.
What practice areas does Stephen David Lassar handle?
Stephen David Lassar focuses on trusts, probate, estate planning, business, tax. Each practice area listed reflects experience handling cases of that type in New York.
How long has Stephen David Lassar practiced law?
Stephen David Lassar has 56+ years of legal experience and has been licensed since 1970.
Where did Stephen David Lassar go to law school?
Stephen David Lassar earned their education at (J.D., 1969); (B.B.A. New, 1966).
How can I contact Stephen David Lassar for a consultation?
You can contact Stephen David Lassar directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Brooklyn Law School
- 1969
B.B.A. New
City College of the City University of New York
- 1966

Bar Admissions

New York U.S. Tax Court U.S. Supreme Court United States District Court for the Southern District of
Admitted: 1970

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