Atty. Damien Anthony Decost

Atty. Damien Anthony Decost

Damien Anthony Decost is a lawyer practicing litigation, workers' compensation defense. Damien received a B.A. degree from California State University, Northridge, CA in 1989, and has been licensed for 26 years.

Westlake Village Westlake Village 26 yrs experience 26 year
Call (747) 282-1853 Book Appointment

Profile Summary

About Damien Anthony Decost at a glance

Damien Anthony Decost is a Managing Partner based in Westlake Village, California, practicing at Testan Law. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on workers comp and litigation. Admitted to practice in California (2000). Educated at University of the Pacific, McGeorge School of Law, Sacramento, CA (J.D., 1999) and California State University, Northridge, CA (B.A. Psychology, 1989). Serands clients in Westlake Village, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Damien Anthony Decost is a lawyer practicing litigation, workers' compensation defense
  • Damien received a B.A. degree from California State University, Northridge, CA in 1989, and has been licensed for 26 years
  • Damien practices at Testan Law in Westlake Village, CA

Practice Areas Explained

Damien Anthony Decost's Areas of Practice

Each practice area below reflects the types of cases Damien Anthony Decost handles, with a brief overview of what that area of law covers.

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Damien Anthony Decost is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in California →

Civil Litigation

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

Damien Anthony Decost is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Westlake Village 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 Westlake Village or all attorneys in California.

Frequently Asked

Common questions about Damien Anthony Decost

Where is Damien Anthony Decost's law office located?
Damien Anthony Decost's law practice is located in Westlake Village, California. The firm is Testan Law. You can contact the office directly through this profile page.
What practice areas does Damien Anthony Decost handle?
Damien Anthony Decost focuses on workers comp, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Damien Anthony Decost practiced law?
Damien Anthony Decost has 26+ years of legal experience and has been licensed since 2000.
Where did Damien Anthony Decost go to law school?
Damien Anthony Decost earned their education at (J.D., 1999); (B.A. Psychology, 1989).
How can I contact Damien Anthony Decost for a consultation?
You can contact Damien Anthony Decost 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.

Education

J.D.
University of the Pacific, McGeorge School of Law, Sacramento, CA
- 1999
B.A. Psychology
California State University, Northridge, CA
- 1989

Bar Admissions

California
Admitted: 2000

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