Atty. Sheldon Mark Siegel

Atty. Sheldon Mark Siegel

Sheldon Mark Siegel is a lawyer practicing corporate, family owned, closely-held businesses and family offices, joint ventures and strategic alliances and 6 other areas of law. Sheldon received a B.S. degree from University of Illinois at Champaign in 1980, and has been licensed for 43 years.

Greenbrae Greenbrae 43 yrs experience 43 year
Call (415) 458-6349 Book Appointment

Profile Summary

About Sheldon Mark Siegel at a glance

Sheldon Mark Siegel is a family law, business, real estate, m&a, and securities attorney based in Greenbrae, California. They have 43+ years of legal experience, licensed to practice since 1983. Admitted to practice in California (1983). Educated at University of California, Berkeley (J.D., 1983) and University of Illinois at Champaign (B.S., 1980). Recognitions include AV Preeminent. Active member of Memberships •Member, American Bar Association, Business Law Section •Member, State Bar Association of California, Business Law Section •Member, Bar Association of San Francisco. Serands clients in Greenbrae, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sheldon Mark Siegel is a lawyer practicing corporate, family owned, closely-held businesses and family offices, joint ventures and strategic alliances and 6 other areas of law
  • Sheldon received a B.S. degree from University of Illinois at Champaign in 1980, and has been licensed for 43 years
  • Sheldon practices in Greenbrae, CA

Practice Areas Explained

Sheldon Mark Siegel's Areas of Practice

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

Family Law

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

Sheldon Mark Siegel is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sheldon Mark Siegel is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Real Estate Law

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

Sheldon Mark Siegel is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Mergers & Acquisitions

Sheldon Mark Siegel is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Securities Law

Sheldon Mark Siegel is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Greenbrae 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 Greenbrae or all attorneys in California.

Frequently Asked

Common questions about Sheldon Mark Siegel

Where is Sheldon Mark Siegel's law office located?
Sheldon Mark Siegel's law practice is located in Greenbrae, California. You can contact the office directly through this profile page.
What practice areas does Sheldon Mark Siegel handle?
Sheldon Mark Siegel focuses on family law, business, real estate, m&a, securities. Each practice area listed reflects experience handling cases of that type in California.
How long has Sheldon Mark Siegel practiced law?
Sheldon Mark Siegel has 43+ years of legal experience and has been licensed since 1983.
Where did Sheldon Mark Siegel go to law school?
Sheldon Mark Siegel earned their education at (J.D., 1983); (B.S., 1980).
How can I contact Sheldon Mark Siegel for a consultation?
You can contact Sheldon Mark Siegel 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 Sheldon Mark Siegel received?
Sheldon Mark Siegel's notable recognition includes: AV Preeminent.

Education

J.D.
University of California, Berkeley
- 1983
B.S.
University of Illinois at Champaign
- 1980

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1983

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.