David Herbert Katz, Business Attorney in Sonoma, California
Over 63 years of legal practice · focused on Business, Commercial RE, and Estate Litigation · 5.0/5 rating from 1 verified client review
MemberatKatz Law Offices
Sonoma, CA
Practicing business in Sonoma since 1963.
- 63+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Are you David Herbert Katz?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
David Herbert Katz is a member based in Sonoma, CA. The practice focuses on Business, Commercial RE, and Estate Litigation. David has over 63 years of legal experience. Currently practicing at Katz Law Offices. Rated 5.0 out of 5 from 1 client review.
- Based in
- Sonoma, CA
- Experience
- over 63 years
- Known for
- Business · Commercial RE · Estate Litigation
- Handles Business, Commercial RE, and Estate Litigation matters from Sonoma, CA.
- Over 63 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About David Herbert Katz: David Herbert Katz is a member based in Sonoma, CA. The practice focuses on Business, Commercial RE, and Estate Litigation. David has over 63 years of legal experience. Currently practicing at Katz Law Offices. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by David Herbert Katz
David concentrates on business, commercial re, estate litigation, litigation, and real estate. Each area below outlines the kind of case David handles, typical outcomes to expect, and how the intake process starts.
Business
View other Business attorneys
Commercial RE
View other Commercial RE attorneys
Estate Litigation
View other Estate Litigation attorneys
Litigation
View other Litigation attorneys
Real Estate
View other Real Estate attorneys
Business cases in Sonoma, California
David takes business matters in Sonoma, 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 David agrees to represent you.
Commercial RE cases in Sonoma, California
David takes commercial re matters in Sonoma, 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 David agrees to represent you.
Estate Litigation cases in Sonoma, California
David takes estate litigation matters in Sonoma, 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 David agrees to represent you.
Litigation cases in Sonoma, California
David takes litigation matters in Sonoma, 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 David agrees to represent you.
Real Estate cases in Sonoma, California
David takes real estate matters in Sonoma, 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 David agrees to represent you.
Biography
About David Herbert Katz — Over 63 years of California business experience
David Herbert Katz is a member based in Sonoma, CA. The practice focuses on Business, Commercial RE, and Estate Litigation. David has over 63 years of legal experience. Currently practicing at Katz Law Offices. Rated 5.0 out of 5 from 1 client review.
David Herbert Katz is a lawyer practicing commercial litigation, real estate litigation, commercial real estate. David received a B.B.A. degree from University of Miami in 1957, and has been licensed for 63 years. David practices at Katz Law Offices in Sonoma, CA.
David's approach to business cases
David Herbert Katz is a lawyer practicing commercial litigation, real estate litigation, commercial real estate. David received a B.B.A. degree from University of Miami in 1957, and has been licensed for 63 years. David practices at Katz Law Offices in Sonoma, CA.
The kind of cases David takes
David reviews new inquiries case-by-case for business, commercial re, and estate litigation matters in Sonoma and the surrounding California area.
Credentials
David Herbert Katz's legal education and bar admissions
University of Michigan
J.D. · 1962
University of Miami
B.B.A. · 1957
Jurisdictions
David's state bar admissions
California
1963 · ACTIVE
David studied at J.D. in University of Michigan and B.B.A. in University of Miami.
Law school and academic background
David completed J.D. in University of Michigan and B.B.A. in University of Miami. Formal legal training is one signal of substantive knowledge — the day-to-day practice David runs in California is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of David Herbert Katz
David has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
David's professional memberships and bar associations
Bar Association of San Francisco State Bar of California San Francisco Lawyers Club Commercial Law League of America
membership
Locations
David Herbert Katz's office in Sonoma
David's primary office is at 1130 Brockman Ln., Sonoma, CA, 95476-7600. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of David Herbert Katz — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of David. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Sonoma.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once David Herbert Katz claims this profile.
Read all reviewsHiring guide
How to hire David Herbert Katz — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with David usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
David charges for the initial consult. That fee is credited toward representation if you retain David'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; David will tell you what matters and what doesn't.
Questions to ask a business attorney in Sonoma, 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 David
David 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. David confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
David'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 David Herbert Katz
How much does it cost to hire David for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. David walks through the likely range during the consult so there are no surprises.
Does David offer a free consultation?
David charges for the initial consult; that fee is credited toward representation if you retain David's office. Some business attorneys offer free consults — check David'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. David gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can David take my case if I'm outside Sonoma?
David 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 — David 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 David?
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. David will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is David accepting new business clients right now?
David'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 Sonoma, Los Angeles and San Francisco in California
David handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
More counsel
Other top-rated business attorneys in California
If David's intake is full or the fit isn't right, these business attorneys in Sonoma handle similar matters. Every profile below is verified and open to consultations.




