Atty. William John Gregg

Atty. William John Gregg

William John Gregg is a lawyer practicing tax law, litigation. William has been licensed for 39 years.

Washington Washington 39 yrs experience 39 year
Call (410) 538-2144 Book Appointment

Profile Summary

About William John Gregg at a glance

William John Gregg is an Internal Revenue Service Associate Area Counsel based in Washington, District of Columbia. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on tax and litigation. Admitted to practice in Connecticut (1987) and New York (1988). Educated at Fordham University J.D. (—). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William John Gregg is a lawyer practicing tax law, litigation
  • William has been licensed for 39 years
  • William practices in Washington, DC

Practice Areas Explained

William John Gregg's Areas of Practice

Each practice area below reflects the types of cases William John Gregg handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

William John Gregg is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Civil Litigation

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

William John Gregg is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 William John Gregg

Where is William John Gregg's law office located?
William John Gregg's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does William John Gregg handle?
William John Gregg focuses on tax, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has William John Gregg practiced law?
William John Gregg has 39+ years of legal experience and has been licensed since 1987.
Where did William John Gregg go to law school?
William John Gregg earned their education at (—).
How can I contact William John Gregg for a consultation?
You can contact William John Gregg 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.

Practice Areas

Education

Fordham University J.D.
- In Progress

Bar Admissions

Connecticut
Admitted: 1987
New York
Admitted: 1988

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