Peter Duchesneau, Environmental Attorney in Los Angeles, California
focused on Environmental and Litigation
Los Angeles, CA
Trusted environmental attorney serving Los Angeles.
- 2
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Practices in
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Quick answer
Peter Duchesneau is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on Environmental and Litigation.
- Based in
- Los Angeles, CALIFORNIA
- Experience
- attorney
- Known for
- Environmental · Litigation
- Handles Environmental and Litigation matters from Los Angeles, CALIFORNIA.
- Recognized with Best Lawyers in America — Environmental Law (2026).
About Peter Duchesneau: Peter Duchesneau is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on Environmental and Litigation.
Areas of practice
Peter's practice areas in Los Angeles
Peter concentrates on environmental and litigation. Each area below outlines the kind of case Peter handles, typical outcomes to expect, and how the intake process starts.
Environmental cases in Los Angeles, California
Peter takes environmental matters in Los Angeles, 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 Peter agrees to represent you.
Litigation cases in Los Angeles, California
Peter takes litigation matters in Los Angeles, 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 Peter agrees to represent you.
Biography
Peter Duchesneau, environmental attorney serving Los Angeles
Peter Duchesneau is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on Environmental and Litigation. Peter works from Los Angeles, California and takes on environmental matters across the region.
Pete Duchesneau’s practice focuses on most aspects of environmental law involving litigation, administrative proceedings, regulatory compliance and business transactions. He handles complex environmental litigation in federal and state courts, including CERCLA, RCRA, Clean Water Act, products liability, toxic tort, and Proposition 65 actions, among others. Pete has significant experience with emerging chemicals and drinking water contamination.
In addition to litigation, Pete counsels clients on regulatory compliance involving such matters as green chemistry, Proposition 65, FIFRA/pesticides, OSHA, TSCA, RoHS, air quality, climate change, SMCRA, wastewater and hazardous waste; and has successfully represented clients before administrative agencies, including the U.S. Environmental Protection Agency, the California Regional Water Quality Control Board, the California Department of Toxic Substances Control, and the South Coast Air Quality Management District. He also advises on corporate and real estate transactions, brownfields, and environmental due diligence as well as with regard to environmental auditing.
Prior to being an attorney, Pete was an engineer with an international environmental consulting firm where he performed work for the U.S. EPA , the California Department of Toxic Substances Control, and the DOD, among other clients. He later left consulting to join the corporate environmental management office of a Fortune 100 company, where he headed efforts to work with policymakers in the development of environmental laws and regulations and managed air toxics and Superfund programs.
Working with Peter on a environmental matter
Pete Duchesneau’s practice focuses on most aspects of environmental law involving litigation, administrative proceedings, regulatory compliance and business transactions. He handles complex environmental litigation in federal and state courts, including CERCLA, RCRA, Clean Water Act, products liability, toxic tort, and Proposition 65 actions, among others. Pete has significant experience with…
Clients Peter works with
Peter reviews new inquiries case-by-case for environmental and litigation matters in Los Angeles and the surrounding California area.
Credentials
Credentials — where Peter studied and practices
Southwestern University School of Law
J.D. · 1993
Jurisdictions
Peter's state bar admissions
South Carolina, Sout
ACTIVE
California, State Ba
ACTIVE
Peter studied at J.D. in Southwestern University School of Law.
Law school and academic background
Peter completed J.D. in Southwestern University School of Law. Formal legal training is one signal of substantive knowledge — the day-to-day practice Peter runs in California is where that training gets applied to real client questions.
Recognition
Peter's legal honors and published work
Peter has received 7 formal recognitions from bar associations, industry bodies, and peer-review services.
Best Lawyers in America — Environmental Law
2026
Best Lawyers in America — Litigation - Environmental
2026
Best Lawyers in America — Awards:
2026
Best Lawyers in America — Awarded Pro Bono Attorney of the Year, Adoptions Project, Public Counsel (2012)
2026
Best Lawyers in America — Listed in Southern California Super Lawyers, Law & Politics Magazine/Thomson Reuters (2005-2016)
2026
Best Lawyers in America — Listed in Southern California Super Lawyers-Rising Stars, Law & Politics Magazine (2004)
2026
Best Lawyers in America — Included in Who’s Who In L.A. Law; Los Angeles Business Journal (Oct. 6, 2008).
2026
Legal awards and honors
Best Lawyers in America — Environmental Law (2026). Best Lawyers in America — Litigation - Environmental (2026). Best Lawyers in America — Awards: (2026). Best Lawyers in America — Awarded Pro Bono Attorney of the Year, Adoptions Project, Public Counsel (2012) (2026). Best Lawyers in America — Listed in Southern California Super Lawyers, Law & Politics Magazine/Thomson Reuters (2005-2016) (2026). Best Lawyers in America — Listed in Southern California Super Lawyers-Rising Stars, Law & Politics Magazine (2004) (2026).
Locations
Peter Duchesneau's office in Los Angeles
Peter's primary office is at 2049 Century Park East, Suite 1700, Los Angeles, California, 90067. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Peter Duchesneau
Peter has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Peter Duchesneau — what to expect in your first consultation
Working with a new environmental attorney should feel structured. Here's how the first two conversations with Peter usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Peter charges for the initial consult. That fee is credited toward representation if you retain Peter'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; Peter will tell you what matters and what doesn't.
Questions to ask a environmental attorney in Los Angeles, 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 Peter
Peter 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. Peter confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Peter'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 Peter Duchesneau
How much does it cost to hire Peter for a environmental case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Peter walks through the likely range during the consult so there are no surprises.
Does Peter offer a free consultation?
Peter charges for the initial consult; that fee is credited toward representation if you retain Peter's office. Some environmental attorneys offer free consults — check Peter'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. Peter gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Peter take my case if I'm outside Los Angeles?
Peter 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 — Peter 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 Peter?
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. Peter will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Peter accepting new environmental clients right now?
Peter'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 Los Angeles, San Francisco and San Diego in California
Peter handles environmental matters throughout California. Each city below is a direct link into the search page for verified environmental attorneys in that community.
- Los Angeles39,975 attorneys
- San Francisco26,380 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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