Atty. Roger William Mahon

Atty. Roger William Mahon

Roger William Mahon is a lawyer practicing project finance, public finance & tax exempt finance. Roger has been licensed for 14 years.

Washington Washington 14 yrs experience 14 year
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Profile Summary

About Roger William Mahon at a glance

Roger William Mahon is a tax attorney based in Washington, District of Columbia. They have 14+ years of legal experience, licensed to practice since 2012. Admitted to practice in New York (2012). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Roger William Mahon is a lawyer practicing project finance, public finance & tax exempt finance
  • Roger has been licensed for 14 years
  • Roger practices in Washington, DC

Practice Areas Explained

Roger William Mahon's Areas of Practice

Each practice area below reflects the types of cases Roger William Mahon 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.

Roger William Mahon is one of 85,302 tax attorneys indexed nationally. Browse tax 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 Roger William Mahon

Where is Roger William Mahon's law office located?
Roger William Mahon's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Roger William Mahon handle?
Roger William Mahon focuses on tax. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Roger William Mahon practiced law?
Roger William Mahon has 14+ years of legal experience and has been licensed since 2012.
How can I contact Roger William Mahon for a consultation?
You can contact Roger William Mahon 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.

Bar Admissions

New York
Admitted: 2012

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