Atty. David G Trethowan

Atty. David G Trethowan

David G Trethowan is a lawyer practicing environmental and natural resources. David received a degree from Foreign Law School, and has been licensed for 16 years.

City Of Industry City Of Industry 16 yrs experience 16 year
Call (951) 900-1874 Book Appointment

Profile Summary

About David G Trethowan at a glance

David G Trethowan is an Attorney based in City Of Industry, California. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on environmental. Admitted to practice in California (2010) and New York (2010). Educated at Foreign Law School (—). Serands clients in City Of Industry, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David G Trethowan is a lawyer practicing environmental and natural resources
  • David received a degree from Foreign Law School, and has been licensed for 16 years
  • David practices in City of Industry, CA

Practice Areas Explained

David G Trethowan's Areas of Practice

Each practice area below reflects the types of cases David G Trethowan 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.

David G Trethowan is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 City Of Industry 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 City Of Industry or all attorneys in California.

Frequently Asked

Common questions about David G Trethowan

Where is David G Trethowan's law office located?
David G Trethowan's law practice is located in City Of Industry, California. You can contact the office directly through this profile page.
What practice areas does David G Trethowan handle?
David G Trethowan focuses on environmental. Each practice area listed reflects experience handling cases of that type in California.
How long has David G Trethowan practiced law?
David G Trethowan has 16+ years of legal experience and has been licensed since 2010.
Where did David G Trethowan go to law school?
David G Trethowan earned their education at (—).
How can I contact David G Trethowan for a consultation?
You can contact David G Trethowan 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

Foreign Law School
- In Progress

Bar Admissions

California
Admitted: 2010
New York
Admitted: 2010

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