Atty. Leonard Peter Mastromonaco

Atty. Leonard Peter Mastromonaco

Leonard Peter Mastromonaco is a lawyer practicing business law, real property law. Leonard received a B.A. degree from Fairfield University in 1974, and has been licensed for 44 years.

San Francisco San Francisco 44 yrs experience 44 year
Call (415) 429-6850 Book Appointment

Profile Summary

About Leonard Peter Mastromonaco at a glance

Leonard Peter Mastromonaco is a Member based in San Francisco, California, practicing at Mastromonaco Real Property Law Group. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on business and real estate. Admitted to practice in California (1982) and U.S. District Court, Northern District of California (1983). Educated at Golden Gate University (J.D., 1982) and Fairfield University (B.A. Sociology, 1974). Recognitions include AV Preeminent. Active member of Bar Association of San Francisco State Bar of California San Francisco Trial Lawyers Association Consumer Attorneys of California The Association of Trial Lawyers of America. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leonard Peter Mastromonaco is a lawyer practicing business law, real property law
  • Leonard received a B.A. degree from Fairfield University in 1974, and has been licensed for 44 years
  • Leonard practices at Mastromonaco Real Property Law Group in San Francisco, CA

Practice Areas Explained

Leonard Peter Mastromonaco's Areas of Practice

Each practice area below reflects the types of cases Leonard Peter Mastromonaco 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.

Leonard Peter Mastromonaco 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.

Leonard Peter Mastromonaco is one of 316,149 real estate attorneys indexed nationally. Browse real estate 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 Leonard Peter Mastromonaco

Where is Leonard Peter Mastromonaco's law office located?
Leonard Peter Mastromonaco's law practice is located in San Francisco, California. The firm is Mastromonaco Real Property Law Group. You can contact the office directly through this profile page.
What practice areas does Leonard Peter Mastromonaco handle?
Leonard Peter Mastromonaco focuses on business, real estate. Each practice area listed reflects experience handling cases of that type in California.
How long has Leonard Peter Mastromonaco practiced law?
Leonard Peter Mastromonaco has 44+ years of legal experience and has been licensed since 1982.
Where did Leonard Peter Mastromonaco go to law school?
Leonard Peter Mastromonaco earned their education at (J.D., 1982); (B.A. Sociology, 1974).
How can I contact Leonard Peter Mastromonaco for a consultation?
You can contact Leonard Peter Mastromonaco 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 Leonard Peter Mastromonaco received?
Leonard Peter Mastromonaco's notable recognition includes: AV Preeminent.

Education

J.D.
Golden Gate University
- 1982
B.A. Sociology
Fairfield University
- 1974

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1982
U.S. District Court, Northern District of California
Admitted: 1983

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