Atty. Mark Andrew Costello

Atty. Mark Andrew Costello

Mark Andrew Costello is a lawyer. Mark received a B.A. degree from Amherst College in 1984, and has been licensed for 37 years.

Milford Milford 37 yrs experience 37 year
Call (570) 686-0059 Book Appointment

Profile Summary

About Mark Andrew Costello at a glance

Mark Andrew Costello is an Asst. Dist. Atty. based in Milford, Pennsylvania. They have 37+ years of legal experience, licensed to practice since 1989. Admitted to practice in Massachusetts (1989) and New York (1990). Educated at Yale University (J.D., 1988) and Amherst College (B.A., 1984). Serands clients in Milford, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Andrew Costello is a lawyer
  • Mark received a B.A. degree from Amherst College in 1984, and has been licensed for 37 years
  • Mark practices in Milford, PA

Jurisdictional Context

Why local counsel matters in Pennsylvania

Practicing law in Pennsylvania. Legal matters in Pennsylvania are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Milford are typically filed in the local municipal court or the appropriate Pennsylvania state district court, depending on subject matter and amount in controversy. An attorney licensed in Pennsylvania 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 Pennsylvania courts without local counsel or pro hac vice admission.

Looking for additional Pennsylvania attorneys? Browse all attorneys in Milford or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Mark Andrew Costello

Where is Mark Andrew Costello's law office located?
Mark Andrew Costello's law practice is located in Milford, Pennsylvania. You can contact the office directly through this profile page.
How long has Mark Andrew Costello practiced law?
Mark Andrew Costello has 37+ years of legal experience and has been licensed since 1989.
Where did Mark Andrew Costello go to law school?
Mark Andrew Costello earned their education at (J.D., 1988); (B.A., 1984).
How can I contact Mark Andrew Costello for a consultation?
You can contact Mark Andrew Costello 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.
Yale University
- 1988
B.A.
Amherst College
- 1984

Bar Admissions

Massachusetts
Admitted: 1989
New York
Admitted: 1990

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