Atty. Mark Stephan DePillis

Atty. Mark Stephan DePillis

Mark Stephan DePillis is a lawyer practicing real estate, construction, climate change and sustainability and 12 other areas of law. Mark received a B.A. degree from Tufts University in 1987, and has been licensed for 36 years.

Philadelphia Philadelphia 36 yrs experience 36 year
Call (267) 881-0063 Book Appointment

Profile Summary

About Mark Stephan DePillis at a glance

Mark Stephan DePillis is a Partner based in Philadelphia, Pennsylvania, practicing at Ballard Spahr LLP. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on real estate, zoning, hoa, education, and environmental. Admitted to practice in Massachusetts (1990) and Pennsylvania (1994). Educated at Boston College Law School (J.D., 1990) and Tufts University (B.A., 1987). Recognitions include AV Preeminent. Active member of Boston, Philadelphia, Pennsylvania and American Bar Associations. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Stephan DePillis is a lawyer practicing real estate, construction, climate change and sustainability and 12 other areas of law
  • Mark received a B.A. degree from Tufts University in 1987, and has been licensed for 36 years
  • Mark practices at Ballard Spahr LLP in Philadelphia, PA

Practice Areas Explained

Mark Stephan DePillis's Areas of Practice

Each practice area below reflects the types of cases Mark Stephan DePillis handles, with a brief overview of what that area of law covers.

Real Estate Law

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

Mark Stephan DePillis is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Pennsylvania →

Land Use & Zoning

Mark Stephan DePillis is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Pennsylvania →

HOA & Condominium Law

Mark Stephan DePillis is one of 5,637 hoa attorneys indexed nationally. Browse hoa attorneys in Pennsylvania →

Education Law

Education attorneys for special education (IEP), school discipline, Title IX, and student rights.

Mark Stephan DePillis is one of 24,079 education attorneys indexed nationally. Browse education attorneys in Pennsylvania →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Mark Stephan DePillis is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Pennsylvania →

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 Philadelphia 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 Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Mark Stephan DePillis

Where is Mark Stephan DePillis's law office located?
Mark Stephan DePillis's law practice is located in Philadelphia, Pennsylvania. The firm is Ballard Spahr LLP. You can contact the office directly through this profile page.
What practice areas does Mark Stephan DePillis handle?
Mark Stephan DePillis focuses on real estate, zoning, hoa, education, environmental. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has Mark Stephan DePillis practiced law?
Mark Stephan DePillis has 36+ years of legal experience and has been licensed since 1990.
Where did Mark Stephan DePillis go to law school?
Mark Stephan DePillis earned their education at (J.D., 1990); (B.A., 1987).
How can I contact Mark Stephan DePillis for a consultation?
You can contact Mark Stephan DePillis 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.
What awards or recognition has Mark Stephan DePillis received?
Mark Stephan DePillis's notable recognition includes: AV Preeminent.

Education

J.D.
Boston College Law School
- 1990
B.A.
Tufts University
- 1987

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1990
Pennsylvania
Admitted: 1994

Reviews

4.8
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.