Atty. Harry C. O'Brien

Atty. Harry C. O'Brien

Harry C. O'Brien is a lawyer practicing real estate, business, real property law and 1 other area of law.

San Francisco San Francisco 42 yrs experience 42 year
Call (415) 857-9708 Book Appointment

Profile Summary

About Harry C. O'Brien at a glance

Harry C. O'Brien is a Partner based in San Francisco, California, practicing at Coblentz, Patch, Duffy & Bass, LLP. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on business, real estate, and zoning. Admitted to practice in California (1984). Educated at University of California, Boalt Hall School of Law (J.D., 1984) and University of Illinois, Urbana-Champaign (B.S. Accounting, 1977). Recognitions include AV Preeminent. Active member of Bar Association of San Francisco State Bar of California American Bar Association. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Harry C. O'Brien is a lawyer practicing real estate, business, real property law and 1 other area of law
  • Harry received a B.S. degree from University of Illinois, Urbana-Champaign in 1977, and has been licensed for 42 years
  • Harry practices at Coblentz, Patch, Duffy & Bass, LLP in San Francisco, CA

Practice Areas Explained

Harry C. O'Brien's Areas of Practice

Each practice area below reflects the types of cases Harry C. O'Brien handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

Harry C. O'Brien 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.

Harry C. O'Brien is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Land Use & Zoning

Harry C. O'Brien is one of 40,226 zoning attorneys indexed nationally. Browse zoning 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 Francisco 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 Francisco or all attorneys in California.

Frequently Asked

Common questions about Harry C. O'Brien

Where is Harry C. O'Brien's law office located?
Harry C. O'Brien's law practice is located in San Francisco, California. The firm is Coblentz, Patch, Duffy & Bass, LLP. You can contact the office directly through this profile page.
What practice areas does Harry C. O'Brien handle?
Harry C. O'Brien focuses on business, real estate, zoning. Each practice area listed reflects experience handling cases of that type in California.
How long has Harry C. O'Brien practiced law?
Harry C. O'Brien has 42+ years of legal experience and has been licensed since 1984.
Where did Harry C. O'Brien go to law school?
Harry C. O'Brien earned their education at (J.D., 1984); (B.S. Accounting, 1977).
How can I contact Harry C. O'Brien for a consultation?
You can contact Harry C. O'Brien 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 Harry C. O'Brien received?
Harry C. O'Brien's notable recognition includes: AV Preeminent.

Education

J.D.
University of California, Boalt Hall School of Law
- 1984
B.S. Accounting
University of Illinois, Urbana-Champaign
- 1977

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1984

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