Atty. David Jackson Costamagna

Atty. David Jackson Costamagna

David Jackson Costamagna is a lawyer. David received a B.A. degree from University of California, and has been licensed for 65 years.

San Rafael San Rafael 65 yrs experience 65 year
Call (628) 243-4845 Book Appointment

Profile Summary

About David Jackson Costamagna at a glance

David Jackson Costamagna is an attorney based in San Rafael, California. They have 65+ years of legal experience, licensed to practice since 1961. Admitted to practice in California (1961). Educated at Hastings College of the Law, University of California J.D. (—) and University of California B.A. (—). Recognitions include BV Distinguished. Serands clients in San Rafael, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Jackson Costamagna is a lawyer
  • David received a B.A. degree from University of California, and has been licensed for 65 years
  • David practices in San Rafael, CA

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in San Rafael or all attorneys in California.

Frequently Asked

Common questions about David Jackson Costamagna

Where is David Jackson Costamagna's law office located?
David Jackson Costamagna's law practice is located in San Rafael, California. You can contact the office directly through this profile page.
How long has David Jackson Costamagna practiced law?
David Jackson Costamagna has 65+ years of legal experience and has been licensed since 1961.
Where did David Jackson Costamagna go to law school?
David Jackson Costamagna earned their education at (—); (—).
How can I contact David Jackson Costamagna for a consultation?
You can contact David Jackson Costamagna 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 David Jackson Costamagna received?
David Jackson Costamagna's notable recognition includes: BV Distinguished.

Education

Hastings College of the Law, University of California J.D.
- In Progress
University of California B.A.
- In Progress

Awards

BV Distinguished

Bar Admissions

California
Admitted: 1961

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