Atty. James M. Costan

Atty. James M. Costan

Mr. James M.

Washington Washington 52 yrs experience 52 year
Call (771) 209-7411 Book Appointment

Profile Summary

About James M. Costan at a glance

James M. Costan is a energy attorney based in Washington, District of Columbia. They have 52+ years of legal experience, licensed to practice since 1974. Admitted to practice in Virginia (1974) and District of Columbia (1976). Educated at Washington & Lee University (J.D., 1974) and University of Virginia B.A. (—). Recognitions include AV Preeminent. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. James M. Costan is a lawyer practicing energy & utilities
  • James received a B.A. degree from University of Virginia, and has been licensed for 52 years
  • James practices in Washington, DC

Practice Areas Explained

James M. Costan's Areas of Practice

Each practice area below reflects the types of cases James M. Costan handles, with a brief overview of what that area of law covers.

Energy & Utilities Law

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

James M. Costan is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about James M. Costan

Where is James M. Costan's law office located?
James M. Costan's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does James M. Costan handle?
James M. Costan focuses on energy. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has James M. Costan practiced law?
James M. Costan has 52+ years of legal experience and has been licensed since 1974.
Where did James M. Costan go to law school?
James M. Costan earned their education at (J.D., 1974); (—).
How can I contact James M. Costan for a consultation?
You can contact James M. Costan 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 James M. Costan received?
James M. Costan's notable recognition includes: AV Preeminent.

Practice Areas

Education

J.D.
Washington & Lee University
- 1974
University of Virginia B.A.
- In Progress

Awards

AV Preeminent

Bar Admissions

Virginia
Admitted: 1974
District of Columbia
Admitted: 1976

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