Atty. Mark Lawrence O'Connor

Atty. Mark Lawrence O'Connor

Mark Lawrence O'Connor is a lawyer practicing trusts & estates, estate planning, wills & living wills and 2 other areas of law. Mark has been licensed for 33 years.

Fullerton Fullerton 33 yrs experience 33 year
Call (840) 500-2067 Book Appointment

Profile Summary

About Mark Lawrence O'Connor at a glance

Mark Lawrence O'Connor is a trusts, estate planning, and poa attorney based in Fullerton, California. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in California (1993). Educated at Whittier College School of Law (J.D., 1993). Serands clients in Fullerton, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Lawrence O'Connor is a lawyer practicing trusts & estates, estate planning, wills & living wills and 2 other areas of law
  • Mark has been licensed for 33 years
  • Mark practices in Fullerton, CA

Practice Areas Explained

Mark Lawrence O'Connor's Areas of Practice

Each practice area below reflects the types of cases Mark Lawrence O'Connor handles, with a brief overview of what that area of law covers.

Trusts

Mark Lawrence O'Connor is one of 104,171 trusts attorneys indexed nationally. Browse trusts 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.

Mark Lawrence O'Connor is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Power of Attorney

Mark Lawrence O'Connor is one of 33,188 poa attorneys indexed nationally. Browse poa 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 Fullerton 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 Fullerton or all attorneys in California.

Frequently Asked

Common questions about Mark Lawrence O'Connor

Where is Mark Lawrence O'Connor's law office located?
Mark Lawrence O'Connor's law practice is located in Fullerton, California. You can contact the office directly through this profile page.
What practice areas does Mark Lawrence O'Connor handle?
Mark Lawrence O'Connor focuses on trusts, estate planning, poa. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Lawrence O'Connor practiced law?
Mark Lawrence O'Connor has 33+ years of legal experience and has been licensed since 1993.
Where did Mark Lawrence O'Connor go to law school?
Mark Lawrence O'Connor earned their education at (J.D., 1993).
How can I contact Mark Lawrence O'Connor for a consultation?
You can contact Mark Lawrence O'Connor 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.
Whittier College School of Law
- 1993

Bar Admissions

California
Admitted: 1993

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