Atty. Mark Lennart Cederborg

Atty. Mark Lennart Cederborg

Mark Lennart Cederborg is a lawyer practicing estate planning, probate, trust law and 3 other areas of law. Mark received a B.A. degree from Seattle Pacific College in 1973, and has been licensed for 47 years.

Walnut Creek Walnut Creek 47 yrs experience 47 year
Call (925) 430-5005 Book Appointment

Profile Summary

About Mark Lennart Cederborg at a glance

Mark Lennart Cederborg is a Partner based in Walnut Creek, California, practicing at Cederborg & Bret LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on trusts, probate, estate planning, poa, and estate litigation. Admitted to practice in California (1979) and Washington (1980). Educated at McGeorge School of Law, University of the Pacific (J.D., 1979) and Seattle Pacific College (B.A., 1973). Recognitions include AV Preeminent. Active member of Alameda County, Contra Costa County and Washington State Bar Associations State Bar of California. Serands clients in Walnut Creek, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Lennart Cederborg is a lawyer practicing estate planning, probate, trust law and 3 other areas of law
  • Mark received a B.A. degree from Seattle Pacific College in 1973, and has been licensed for 47 years
  • Mark practices at Cederborg & Bret LLP in Walnut Creek, CA

Practice Areas Explained

Mark Lennart Cederborg's Areas of Practice

Each practice area below reflects the types of cases Mark Lennart Cederborg handles, with a brief overview of what that area of law covers.

Trusts

Mark Lennart Cederborg is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in California →

Probate

Mark Lennart Cederborg 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.

Mark Lennart Cederborg is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Power of Attorney

Mark Lennart Cederborg is one of 33,188 poa attorneys indexed nationally. Browse poa attorneys in California →

Estate & Trust Litigation

Mark Lennart Cederborg is one of 20,023 estate litigation attorneys indexed nationally. Browse estate 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 Walnut Creek 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 Walnut Creek or all attorneys in California.

Frequently Asked

Common questions about Mark Lennart Cederborg

Where is Mark Lennart Cederborg's law office located?
Mark Lennart Cederborg's law practice is located in Walnut Creek, California. The firm is Cederborg & Bret LLP. You can contact the office directly through this profile page.
What practice areas does Mark Lennart Cederborg handle?
Mark Lennart Cederborg focuses on trusts, probate, estate planning, poa, estate litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Lennart Cederborg practiced law?
Mark Lennart Cederborg has 47+ years of legal experience and has been licensed since 1979.
Where did Mark Lennart Cederborg go to law school?
Mark Lennart Cederborg earned their education at (J.D., 1979); (B.A., 1973).
How can I contact Mark Lennart Cederborg for a consultation?
You can contact Mark Lennart Cederborg 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 Mark Lennart Cederborg received?
Mark Lennart Cederborg's notable recognition includes: AV Preeminent.

Education

J.D.
McGeorge School of Law, University of the Pacific
- 1979
B.A.
Seattle Pacific College
- 1973

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1979
Washington
Admitted: 1980

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