Atty. Gary Michael Koston

Atty. Gary Michael Koston

Gary Michael Koston is a lawyer practicing trusts and estates, probate, wills and 2 other areas of law. Gary received a B.A. degree from University of Redlands, and has been licensed for 47 years.

San Marcos San Marcos 47 yrs experience 47 year
Call (760) 961-4410 Book Appointment

Profile Summary

About Gary Michael Koston at a glance

Gary Michael Koston is a Member based in San Marcos, California, practicing at Law Office of Gary M. Koston. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on wills, trusts, probate, estate planning, and litigation. Admitted to practice in California (1979). Educated at University of the Pacific McGeorge School of Law J.D. (—) and University of Redlands B.A. (—). Serands clients in San Marcos, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Gary Michael Koston is a lawyer practicing trusts and estates, probate, wills and 2 other areas of law
  • Gary received a B.A. degree from University of Redlands, and has been licensed for 47 years
  • Gary practices at Law Office of Gary M. Koston in San Marcos, CA

Practice Areas Explained

Gary Michael Koston's Areas of Practice

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

Wills

Gary Michael Koston is one of 34,541 wills attorneys indexed nationally. Browse wills attorneys in California →

Trusts

Gary Michael Koston is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in California →

Probate

Gary Michael Koston is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in California →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Gary Michael Koston is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Civil Litigation

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

Gary Michael Koston 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 San Marcos 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 Marcos or all attorneys in California.

Frequently Asked

Common questions about Gary Michael Koston

Where is Gary Michael Koston's law office located?
Gary Michael Koston's law practice is located in San Marcos, California. The firm is Law Office of Gary M. Koston. You can contact the office directly through this profile page.
What practice areas does Gary Michael Koston handle?
Gary Michael Koston focuses on wills, trusts, probate, estate planning, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Gary Michael Koston practiced law?
Gary Michael Koston has 47+ years of legal experience and has been licensed since 1979.
Where did Gary Michael Koston go to law school?
Gary Michael Koston earned their education at (—); (—).
How can I contact Gary Michael Koston for a consultation?
You can contact Gary Michael Koston 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

University of the Pacific McGeorge School of Law J.D.
- In Progress
University of Redlands B.A.
- In Progress

Bar Admissions

California
Admitted: 1979

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