Atty. M James Callahan

Atty. M James Callahan

Mr. M James Callahan is a lawyer practicing environmental and natural resource law, environmental & natural, environmental law and 3 other areas of law.

Phoenix Phoenix 53 yrs experience 53 year
Call (602) 899-8631 Book Appointment

Profile Summary

About M James Callahan at a glance

M James Callahan is an Asst. City Atty., City Atty. Off. based in Phoenix, Arizona. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on environmental and government. Admitted to practice in South Dakota US Supreme Court (1973). Educated at University of South Dakota (J.D., 1973) and University of South Dakota (B.A., 1970). Recognitions include BV Distinguished. Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. M James Callahan is a lawyer practicing environmental and natural resource law, environmental & natural, environmental law and 3 other areas of law
  • M received a B.A. degree from University of South Dakota in 1970, and has been licensed for 53 years
  • M practices in Phoenix, AZ

Practice Areas Explained

M James Callahan's Areas of Practice

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

Environmental Law

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

M James Callahan is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Arizona →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

M James Callahan is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Arizona →

Jurisdictional Context

Why local counsel matters in Arizona

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

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about M James Callahan

Where is M James Callahan's law office located?
M James Callahan's law practice is located in Phoenix, Arizona. You can contact the office directly through this profile page.
What practice areas does M James Callahan handle?
M James Callahan focuses on environmental, government. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has M James Callahan practiced law?
M James Callahan has 53+ years of legal experience and has been licensed since 1973.
Where did M James Callahan go to law school?
M James Callahan earned their education at (J.D., 1973); (B.A., 1970).
How can I contact M James Callahan for a consultation?
You can contact M James Callahan 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 M James Callahan received?
M James Callahan's notable recognition includes: BV Distinguished.

Education

J.D.
University of South Dakota
- 1973
B.A.
University of South Dakota
- 1970

Awards

BV Distinguished

Bar Admissions

South Dakota US Supreme Court
Admitted: 1973

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