Leonard Peter Mastromonaco, Business Attorney in San Francisco, California
Over 44 years of legal practice · focused on Business and Real Estate · 5.0/5 rating from 1 verified client review
MemberatMastromonaco Real Property Law Group
San Francisco, CA
Practicing business in San Francisco since 1982.
- 44+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Practices in
Are you Leonard Peter Mastromonaco?
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Quick answer
Leonard Peter Mastromonaco is a member based in San Francisco, CA. The practice focuses on Business and Real Estate. Leonard has over 44 years of legal experience. Currently practicing at Mastromonaco Real Property Law Group. Rated 5.0 out of 5 from 1 client review.
- Based in
- San Francisco, CA
- Experience
- over 44 years
- Known for
- Business · Real Estate
- Handles Business and Real Estate matters from San Francisco, CA.
- Over 44 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Leonard Peter Mastromonaco: Leonard Peter Mastromonaco is a member based in San Francisco, CA. The practice focuses on Business and Real Estate. Leonard has over 44 years of legal experience. Currently practicing at Mastromonaco Real Property Law Group. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Leonard's practice areas in San Francisco
Leonard concentrates on business and real estate. Each area below outlines the kind of case Leonard handles, typical outcomes to expect, and how the intake process starts.
Business cases in San Francisco, California
Leonard takes business matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Leonard agrees to represent you.
Real Estate cases in San Francisco, California
Leonard takes real estate matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Leonard agrees to represent you.
Biography
Leonard Peter Mastromonaco, business attorney serving San Francisco
Leonard Peter Mastromonaco is a member based in San Francisco, CA. The practice focuses on Business and Real Estate. Leonard has over 44 years of legal experience. Currently practicing at Mastromonaco Real Property Law Group. Rated 5.0 out of 5 from 1 client review. Leonard works from San Francisco, California and takes on business matters across the region.
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.
Working with Leonard on a business matter
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.
Who Leonard represents
Leonard reviews new inquiries case-by-case for business and real estate matters in San Francisco and the surrounding California area.
Credentials
Credentials — where Leonard studied and practices
Golden Gate University
J.D. · 1982
Fairfield University
B.A. Sociology · 1974
Jurisdictions
Leonard's state bar admissions
U.S. District Court,
1983 · ACTIVE
California
1982 · ACTIVE
Leonard studied at J.D. in Golden Gate University and B.A. Sociology in Fairfield University.
Law school and academic background
Leonard completed J.D. in Golden Gate University and B.A. Sociology in Fairfield University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Leonard runs in California is where that training gets applied to real client questions.
Recognition
Leonard's legal honors and published work
Leonard has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Leonard's professional memberships and bar associations
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
membership
Locations
Leonard Peter Mastromonaco's office in San Francisco
Leonard's primary office is at 595 Market St., Ste. 1150, San Francisco, CA, 94105. In-person meetings are by appointment; a phone intake usually comes first.
Mastromonaco Real Property Law Group
595 Market St., Ste. 1150
San Francisco, CA 94105
Open in Google MapsClient feedback
Client reviews of Leonard Peter Mastromonaco — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Leonard. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in San Francisco.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Leonard Peter Mastromonaco claims this profile.
Read all reviewsHiring guide
How to hire Leonard Peter Mastromonaco — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Leonard usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Leonard charges for the initial consult. That fee is credited toward representation if you retain Leonard's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Leonard will tell you what matters and what doesn't.
Questions to ask a business attorney in San Francisco, California
A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Leonard
Leonard discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Leonard confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Leonard's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Leonard Peter Mastromonaco
How much does it cost to hire Leonard for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Leonard walks through the likely range during the consult so there are no surprises.
Does Leonard offer a free consultation?
Leonard charges for the initial consult; that fee is credited toward representation if you retain Leonard's office. Some business attorneys offer free consults — check Leonard's current terms during booking.
How long do business cases in California typically take?
Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Leonard gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Leonard take my case if I'm outside San Francisco?
Leonard is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Leonard will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Leonard?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Leonard will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Leonard accepting new business clients right now?
Leonard's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving San Francisco, Los Angeles and San Diego in California
Leonard handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
- San Francisco26,380 attorneys
- Los Angeles39,975 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Pasadena2,894 attorneys
- Santa Monica2,756 attorneys
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