Atty. Brian David Thiessen

Atty. Brian David Thiessen

Brian David Thiessen is a lawyer practicing child support lawyer, adoption lawyer, divorce mediation attorney and 5 other areas of law. Brian received a A.B. degree from Duke University in 1960, and has been licensed for 59 years.

Alamo Alamo 59 yrs experience 59 year
Call (415) 728-9546 Book Appointment

Profile Summary

About Brian David Thiessen at a glance

Brian David Thiessen is an Attorney based in Alamo, California, practicing at Law Offices Of Brian D Thiessen. They have 59+ years of legal experience, licensed to practice since 1967. Their practice focuses on divorce, family law, real estate, child support, and adoption. Admitted to practice in California (1967) and U.S. Supreme Court (1982). Educated at Hastings College of the Law, University of California (J.D., 1967) and Duke University (A.B., 1960). Recognitions include AV Preeminent. Active member of Contra Costa County (President, 1974) and American Bar Associations State Bar of California California Trial Lawyers Association World Association of Lawyers International Bar Association. Serands clients in Alamo, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Brian David Thiessen is a lawyer practicing child support lawyer, adoption lawyer, divorce mediation attorney and 5 other areas of law
  • Brian received a A.B. degree from Duke University in 1960, and has been licensed for 59 years
  • Brian practices at Law Offices of Brian D. Thiessen in Alamo, CA

Practice Areas Explained

Brian David Thiessen's Areas of Practice

Each practice area below reflects the types of cases Brian David Thiessen handles, with a brief overview of what that area of law covers.

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Brian David Thiessen is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in California →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Brian David Thiessen is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in California →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Brian David Thiessen is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Child Support

Brian David Thiessen is one of 24,688 child support attorneys indexed nationally. Browse child support attorneys in California →

Adoption

Brian David Thiessen is one of 15,997 adoption attorneys indexed nationally. Browse adoption 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 Alamo 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 Alamo or all attorneys in California.

Frequently Asked

Common questions about Brian David Thiessen

Where is Brian David Thiessen's law office located?
Brian David Thiessen's law practice is located in Alamo, California. The firm is Law Offices Of Brian D Thiessen. You can contact the office directly through this profile page.
What practice areas does Brian David Thiessen handle?
Brian David Thiessen focuses on divorce, family law, real estate, child support, adoption. Each practice area listed reflects experience handling cases of that type in California.
How long has Brian David Thiessen practiced law?
Brian David Thiessen has 59+ years of legal experience and has been licensed since 1967.
Where did Brian David Thiessen go to law school?
Brian David Thiessen earned their education at (J.D., 1967); (A.B., 1960).
How can I contact Brian David Thiessen for a consultation?
You can contact Brian David Thiessen 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 Brian David Thiessen received?
Brian David Thiessen's notable recognition includes: AV Preeminent.

Education

J.D.
Hastings College of the Law, University of California
- 1967
A.B.
Duke University
- 1960

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1967
U.S. Supreme Court
Admitted: 1982

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