Atty. Demetrius Michael Costy

Atty. Demetrius Michael Costy

Demetrius Michael Costy is a lawyer practicing criminal defense. Demetrius received a degree from Loyola Marymount University, Los Angeles CA, and has been licensed for 27 years.

Oakland Oakland 27 yrs experience 27 year
Call (510) 328-7346 Book Appointment

Profile Summary

About Demetrius Michael Costy at a glance

Demetrius Michael Costy is a criminal defense attorney based in Oakland, California. They have 27+ years of legal experience, licensed to practice since 1999. Admitted to practice in California (1999). Educated at University of San Francisco School of Law (JD, 1999) and Loyola Marymount University, Los Angeles CA University of San Francisco School of Law, San Francisco CA (—). Serands clients in Oakland, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Demetrius Michael Costy is a lawyer practicing criminal defense
  • Demetrius received a degree from Loyola Marymount University, Los Angeles CA, and has been licensed for 27 years
  • Demetrius practices in Oakland, CA

Practice Areas Explained

Demetrius Michael Costy's Areas of Practice

Each practice area below reflects the types of cases Demetrius Michael Costy handles, with a brief overview of what that area of law covers.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Demetrius Michael Costy is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

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 Oakland 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 Oakland or all attorneys in California.

Frequently Asked

Common questions about Demetrius Michael Costy

Where is Demetrius Michael Costy's law office located?
Demetrius Michael Costy's law practice is located in Oakland, California. You can contact the office directly through this profile page.
What practice areas does Demetrius Michael Costy handle?
Demetrius Michael Costy focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in California.
How long has Demetrius Michael Costy practiced law?
Demetrius Michael Costy has 27+ years of legal experience and has been licensed since 1999.
Where did Demetrius Michael Costy go to law school?
Demetrius Michael Costy earned their education at (JD, 1999); (—).
How can I contact Demetrius Michael Costy for a consultation?
You can contact Demetrius Michael Costy 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

JD
University of San Francisco School of Law
- 1999
Loyola Marymount University, Los Angeles CA University of San Francisco School of Law, San Francisco CA
- In Progress

Bar Admissions

California
Admitted: 1999

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