Atty. Barbara Jane Koonz

Atty. Barbara Jane Koonz

Barbara Jane Koonz is a lawyer practicing environmental law, energy, telecommunications and public utilities and 4 other areas of law. Barbara received a B.A. degree from Franklin and Marshall College, Lancaster, PA in 1983, and has been licensed for 37 years.

Roseland Roseland 37 yrs experience 37 year
Call (973) 567-7556 Book Appointment

Profile Summary

About Barbara Jane Koonz at a glance

Barbara Jane Koonz is a Partner based in Roseland, New Jersey, practicing at Greenbaum, Rowe, Smith & Davis LLP. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on real estate, commercial re, zoning, environmental, and energy. Admitted to practice in United States District Court for the District of New Jersey (1989), New Jersey (1989), Pennsylvania (2007), and Florida (2012). Educated at Seton Hall University School of Law, Newark, NJ (J.D., 1989) and Franklin and Marshall College, Lancaster, PA (B.A. University, 1983). Active member of S. Serands clients in Roseland, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Barbara Jane Koonz is a lawyer practicing environmental law, energy, telecommunications and public utilities and 4 other areas of law
  • Barbara received a B.A. degree from Franklin and Marshall College, Lancaster, PA in 1983, and has been licensed for 37 years
  • Barbara practices at Greenbaum, Rowe, Smith & Davis LLP in Roseland, NJ

Practice Areas Explained

Barbara Jane Koonz's Areas of Practice

Each practice area below reflects the types of cases Barbara Jane Koonz 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.

Barbara Jane Koonz is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New Jersey →

Commercial Real Estate

Barbara Jane Koonz is one of 16,000 commercial re attorneys indexed nationally. Browse commercial re attorneys in New Jersey →

Land Use & Zoning

Barbara Jane Koonz is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in New Jersey →

Environmental Law

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

Barbara Jane Koonz is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in New Jersey →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Barbara Jane Koonz is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in Roseland or all attorneys in New Jersey.

Frequently Asked

Common questions about Barbara Jane Koonz

Where is Barbara Jane Koonz's law office located?
Barbara Jane Koonz's law practice is located in Roseland, New Jersey. The firm is Greenbaum, Rowe, Smith & Davis LLP. You can contact the office directly through this profile page.
What practice areas does Barbara Jane Koonz handle?
Barbara Jane Koonz focuses on real estate, commercial re, zoning, environmental, energy. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Barbara Jane Koonz practiced law?
Barbara Jane Koonz has 37+ years of legal experience and has been licensed since 1989.
Where did Barbara Jane Koonz go to law school?
Barbara Jane Koonz earned their education at (J.D., 1989); (B.A. University, 1983).
How can I contact Barbara Jane Koonz for a consultation?
You can contact Barbara Jane Koonz 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.
Seton Hall University School of Law, Newark, NJ
- 1989
B.A. University
Franklin and Marshall College, Lancaster, PA
- 1983

Bar Admissions

United States District Court for the District of New Jersey
Admitted: 1989
New Jersey
Admitted: 1989
Pennsylvania
Admitted: 2007
Florida
Admitted: 2012

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