Dennis James Byrne, Environmental Attorney in San Francisco, California
Over 32 years of legal practice · focused on Environmental, General, and Personal Injury
AssociateatThe Cronin Law Group
San Francisco, CA
Practicing environmental in San Francisco since 1994.
- 32+
- Years practicing
- 4
- Bar admissions
Practices in
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Quick answer
Dennis James Byrne is an associate based in San Francisco, CA. The practice focuses on Environmental, General, and Personal Injury. Dennis has over 32 years of legal experience. Currently practicing at The Cronin Law Group.
- Based in
- San Francisco, CA
- Experience
- over 32 years
- Known for
- Environmental · General · Personal Injury
- Handles Environmental, General, and Personal Injury matters from San Francisco, CA.
- Over 32 years of practice as a licensed attorney.
About Dennis James Byrne: Dennis James Byrne is an associate based in San Francisco, CA. The practice focuses on Environmental, General, and Personal Injury. Dennis has over 32 years of legal experience. Currently practicing at The Cronin Law Group.
Areas of practice
Legal matters Dennis takes on
Dennis concentrates on environmental, general, and personal injury. Each area below outlines the kind of case Dennis handles, typical outcomes to expect, and how the intake process starts.
Environmental
View other Environmental attorneys
General
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Personal Injury
View other Personal Injury attorneys
Environmental cases in San Francisco, California
Dennis takes environmental 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 Dennis agrees to represent you.
General cases in San Francisco, California
Dennis takes general 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 Dennis agrees to represent you.
Personal Injury cases in San Francisco, California
Dennis takes personal injury 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 Dennis agrees to represent you.
Biography
Meet Dennis James Byrne — environmental lawyer in San Francisco
Dennis James Byrne is an associate based in San Francisco, CA. The practice focuses on Environmental, General, and Personal Injury. Dennis has over 32 years of legal experience. Currently practicing at The Cronin Law Group.
Dennis James Byrne is a lawyer practicing personal injury, toxic torts, unfair competition and 1 other area of law. Dennis received a M.S. degree from University of California, Davis in 1987, and has been licensed for 32 years. Dennis practices at The Cronin Law Group in San Francisco, CA.
How Dennis handles environmental matters
<p>Dennis James Byrne is a lawyer practicing personal injury, toxic torts, unfair competition and 1 other area of law. Dennis received a M.S. degree from University of California, Davis in 1987, and has been licensed for 32 years. Dennis practices at The Cronin Law Group in San Francisco, CA.</p>
Who Dennis represents
Dennis reviews new inquiries case-by-case for environmental, general, and personal injury matters in San Francisco and the surrounding California area.
Credentials
Education, bar admissions, and languages
Golden Gate University School of Law
J.D. · 1994
University of California, Davis
M.S. University · 1987
Jurisdictions
Dennis's state bar admissions
U.S. District Court,
1995 · ACTIVE
U.S. District Court,
1995 · ACTIVE
U.S. District Court,
1994 · ACTIVE
California
1994 · ACTIVE
Dennis studied at J.D. in Golden Gate University School of Law and M.S. University in University of California, Davis.
Law school and academic background
Dennis completed J.D. in Golden Gate University School of Law and M.S. University in University of California, Davis. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dennis runs in California is where that training gets applied to real client questions.
Affiliations
Dennis's professional memberships and bar associations
American Bar Association Bar Association of San Francisco
membership
Locations
Dennis James Byrne's office in San Francisco
Dennis's primary office is at 744 Montgomery St., 2nd Fl., San Francisco, CA, 94111. In-person meetings are by appointment; a phone intake usually comes first.
The Cronin Law Group
744 Montgomery St., 2nd Fl.
San Francisco, CA 94111
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Schedule your consultationHiring guide
How to hire Dennis James Byrne — what to expect in your first consultation
Working with a new environmental attorney should feel structured. Here's how the first two conversations with Dennis usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dennis charges for the initial consult. That fee is credited toward representation if you retain Dennis'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; Dennis will tell you what matters and what doesn't.
Questions to ask a environmental attorney in San Francisco, California
A short list to run through before you commit: How many environmental 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 Dennis
Dennis discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in environmental practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every environmental 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. Dennis confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dennis's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many environmental practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Dennis James Byrne
How much does it cost to hire Dennis for a environmental case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dennis walks through the likely range during the consult so there are no surprises.
Does Dennis offer a free consultation?
Dennis charges for the initial consult; that fee is credited toward representation if you retain Dennis's office. Some environmental attorneys offer free consults — check Dennis's current terms during booking.
How long do environmental cases in California typically take?
Simple environmental 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. Dennis gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dennis take my case if I'm outside San Francisco?
Dennis 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 — Dennis 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 Dennis?
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. Dennis will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dennis accepting new environmental clients right now?
Dennis's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Environmental attorneys serving San Francisco, Los Angeles and San Diego in California
Dennis handles environmental matters throughout California. Each city below is a direct link into the search page for verified environmental 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
More counsel
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