Atty. Sean Patrick Callahan

Atty. Sean Patrick Callahan

Sean Patrick Callahan is a lawyer practicing municipal law, fire districts, defense litigation and 3 other areas of law. Sean received a B.B.A. degree from Dowling College in 1991, and has been licensed for 32 years.

Smithtown Smithtown 32 yrs experience 32 year
Call (631) 997-0630 Book Appointment

Profile Summary

About Sean Patrick Callahan at a glance

Sean Patrick Callahan is a Member based in Smithtown, New York, practicing at Kenney, Goidel, Callahan, Wrenn & Schmid, LLP. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on criminal defense, business, real estate, litigation, and government. Admitted to practice in Connecticut (1994), New York (1995), and U.S. District Court, Eastern District of New York (1995). Educated at St. John's University (J.D., 1994) and Dowling College (B.B.A., 1991). Active member of Suffolk County Bar Association. Serands clients in Smithtown, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Patrick Callahan is a lawyer practicing municipal law, fire districts, defense litigation and 3 other areas of law
  • Sean received a B.B.A. degree from Dowling College in 1991, and has been licensed for 32 years
  • Sean practices at Kenney, Goidel, Callahan, Wrenn & Schmid, LLP in Smithtown, NY

Practice Areas Explained

Sean Patrick Callahan's Areas of Practice

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

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

Business & Corporate Law

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

Sean Patrick Callahan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Real Estate Law

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

Sean Patrick Callahan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Sean Patrick Callahan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Sean Patrick Callahan is one of 132,225 government attorneys indexed nationally. Browse government 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 Smithtown 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 Smithtown or all attorneys in New York.

Frequently Asked

Common questions about Sean Patrick Callahan

Where is Sean Patrick Callahan's law office located?
Sean Patrick Callahan's law practice is located in Smithtown, New York. The firm is Kenney, Goidel, Callahan, Wrenn & Schmid, LLP. You can contact the office directly through this profile page.
What practice areas does Sean Patrick Callahan handle?
Sean Patrick Callahan focuses on criminal defense, business, real estate, litigation, government. Each practice area listed reflects experience handling cases of that type in New York.
How long has Sean Patrick Callahan practiced law?
Sean Patrick Callahan has 32+ years of legal experience and has been licensed since 1994.
Where did Sean Patrick Callahan go to law school?
Sean Patrick Callahan earned their education at (J.D., 1994); (B.B.A., 1991).
How can I contact Sean Patrick Callahan for a consultation?
You can contact Sean Patrick Callahan 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.
St. John's University
- 1994
B.B.A.
Dowling College
- 1991

Bar Admissions

Connecticut
Admitted: 1994
New York
Admitted: 1995
U.S. District Court, Eastern District of New York
Admitted: 1995

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