Atty. Jonathan Sebastian Leo

Atty. Jonathan Sebastian Leo

Jonathan Sebastian Leo is a lawyer practicing environmental law, environmental. Jonathan received a B.A. degree from University of California at Los Angeles in 1971, and has been licensed for 48 years.

Placentia Placentia 48 yrs experience 48 year
Call (949) 535-1249 Book Appointment

Profile Summary

About Jonathan Sebastian Leo at a glance

Jonathan Sebastian Leo is a environmental attorney based in Placentia, California. They have 48+ years of legal experience, licensed to practice since 1978. Admitted to practice in California (1978). Educated at University of Southern California (J.D., 1977) and University of California at Los Angeles (B.A., 1971). Recognitions include AV Preeminent. Serands clients in Placentia, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jonathan Sebastian Leo is a lawyer practicing environmental law, environmental
  • Jonathan received a B.A. degree from University of California at Los Angeles in 1971, and has been licensed for 48 years
  • Jonathan practices in Placentia, CA

Practice Areas Explained

Jonathan Sebastian Leo's Areas of Practice

Each practice area below reflects the types of cases Jonathan Sebastian Leo 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.

Jonathan Sebastian Leo 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 Placentia 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 Placentia or all attorneys in California.

Frequently Asked

Common questions about Jonathan Sebastian Leo

Where is Jonathan Sebastian Leo's law office located?
Jonathan Sebastian Leo's law practice is located in Placentia, California. You can contact the office directly through this profile page.
What practice areas does Jonathan Sebastian Leo handle?
Jonathan Sebastian Leo focuses on environmental. Each practice area listed reflects experience handling cases of that type in California.
How long has Jonathan Sebastian Leo practiced law?
Jonathan Sebastian Leo has 48+ years of legal experience and has been licensed since 1978.
Where did Jonathan Sebastian Leo go to law school?
Jonathan Sebastian Leo earned their education at (J.D., 1977); (B.A., 1971).
How can I contact Jonathan Sebastian Leo for a consultation?
You can contact Jonathan Sebastian Leo 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 Jonathan Sebastian Leo received?
Jonathan Sebastian Leo's notable recognition includes: AV Preeminent.

Education

J.D.
University of Southern California
- 1977
B.A.
University of California at Los Angeles
- 1971

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1978

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.