Atty. Sean Patrick Lenihan

Atty. Sean Patrick Lenihan

Sean Lenihan served in the United States Navy from 1992-1996. Mr.

Hauppauge Hauppauge 24 yrs experience 24 year
Call (516) 899-5162 Email Book Appointment

Profile Summary

About Sean Patrick Lenihan at a glance

Sean Patrick Lenihan is an Of Counsel based in Hauppauge, New York, practicing at Feldman, Kramer & Monaco, P.C.. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on residential, criminal defense, family law, estate planning, and real estate. Admitted to practice in Massachusetts (2002) and New York (2009). Educated at Massachusetts School of Law (J.D., 2001) and Salem State College (B.S., 1998). Serands clients in Hauppauge, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Lenihan served in the United States Navy from 1992-1996
  • Mr. Lenihan graduated from Salem State College in Salem, Massachusetts in 1998 with a Bachelor’s Degree in Criminal Justice
  • Mr. Lenihan graduated from Massachusetts School of Law and received his Juris Doctorate degree in 2001
  • Mr. Lenihan is a general practice attorney that is licensed in the states of New York (since 2009) and Massachusetts (since 2002, focusing primarily on matrimonial and family law matters, including divorce, child support and custody disputes
  • Mr. Lenihan also has extensive experience handling landlord/tenant matters, criminal defense (including DWI), civil litigation, estate planning (including Wills and Trusts), residential real estate closings and related real estate matters
  • Mr. Lenihan has extensive experience in commercial litigation and civil litigation

Practice Areas Explained

Sean Patrick Lenihan's Areas of Practice

Each practice area below reflects the types of cases Sean Patrick Lenihan handles, with a brief overview of what that area of law covers.

Residential Real Estate

Sean Patrick Lenihan is one of 9,343 residential attorneys indexed nationally. Browse residential attorneys in New York →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Sean Patrick Lenihan is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Sean Patrick Lenihan is one of 187,066 family law attorneys indexed nationally. Browse family law 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.

Sean Patrick Lenihan is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Sean Patrick Lenihan is one of 316,149 real estate attorneys indexed nationally. Browse real estate 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 Hauppauge 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 Hauppauge or all attorneys in New York.

Frequently Asked

Common questions about Sean Patrick Lenihan

Where is Sean Patrick Lenihan's law office located?
Sean Patrick Lenihan's law practice is located in Hauppauge, New York. The firm is Feldman, Kramer & Monaco, P.C.. You can contact the office directly through this profile page.
What practice areas does Sean Patrick Lenihan handle?
Sean Patrick Lenihan focuses on residential, criminal defense, family law, estate planning, real estate. Each practice area listed reflects experience handling cases of that type in New York.
How long has Sean Patrick Lenihan practiced law?
Sean Patrick Lenihan has 24+ years of legal experience and has been licensed since 2002.
Where did Sean Patrick Lenihan go to law school?
Sean Patrick Lenihan earned their education at (J.D., 2001); (B.S., 1998).
How can I contact Sean Patrick Lenihan for a consultation?
You can contact Sean Patrick Lenihan 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.
Massachusetts School of Law
- 2001
B.S.
Salem State College
- 1998

Bar Admissions

Massachusetts
Admitted: 2002
New York
Admitted: 2009

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