Mary E. Wall, Environmental Attorney in Washington, District of Columbia
Over 40 years of legal practice · focused on Environmental, Insurance, and M&A · 4.4/5 rating from 1 verified client review
PartneratWinston & Strawn LLP
Washington, DC
Practicing environmental in Washington since 1986.
- 40+
- Years practicing
- 4.4 ★
- 1 client review
- 3
- Bar admissions
Practices in
Are you Mary E. Wall?
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Quick answer
Mary E. Wall is a partner based in Washington, DC. The practice focuses on Environmental, Insurance, and M&A. Mary has over 40 years of legal experience. Currently practicing at Winston & Strawn LLP. Rated 4.4 out of 5 from 1 client review.
- Based in
- Washington, DC
- Experience
- over 40 years
- Known for
- Environmental · Insurance · M&A
- Handles Environmental, Insurance, and M&A matters from Washington, DC.
- Over 40 years of practice as a licensed attorney.
- Recognized with BV Distinguished.
About Mary E. Wall: Mary E. Wall is a partner based in Washington, DC. The practice focuses on Environmental, Insurance, and M&A. Mary has over 40 years of legal experience. Currently practicing at Winston & Strawn LLP. Rated 4.4 out of 5 from 1 client review.
Areas of practice
Mary's practice areas in Washington
Mary concentrates on environmental, insurance, and m&a. Each area below outlines the kind of case Mary handles, typical outcomes to expect, and how the intake process starts.
Environmental
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Insurance
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M&A
View other M&A attorneys
Environmental cases in Washington, District of Columbia
Mary takes environmental matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.
Insurance cases in Washington, District of Columbia
Mary takes insurance matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.
M&A cases in Washington, District of Columbia
Mary takes m&a matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.
Biography
Mary E. Wall, environmental attorney serving Washington
Mary E. Wall is a partner based in Washington, DC. The practice focuses on Environmental, Insurance, and M&A. Mary has over 40 years of legal experience. Currently practicing at Winston & Strawn LLP. Rated 4.4 out of 5 from 1 client review. Mary works from Washington, District of Columbia and takes on environmental matters across the region.
Mary E. Wall is a lawyer practicing environmental law, environmental compliance, environmental due diligence and 4 other areas of law. Mary E. received a B.S. degree from University of Massachusetts in 1977, and has been licensed for 40 years. Mary E. practices at Winston & Strawn LLP in Washington, DC and 1 other location.
How Mary handles environmental matters
Mary E. Wall is a lawyer practicing environmental law, environmental compliance, environmental due diligence and 4 other areas of law. Mary E. received a B.S. degree from University of Massachusetts in 1977, and has been licensed for 40 years. Mary E. practices at Winston & Strawn LLP in Washington, DC and 1 other location.
Who Mary represents
Mary reviews new inquiries case-by-case for environmental, insurance, and m&a matters in Washington and the surrounding District of Columbia area.
Credentials
Credentials — where Mary studied and practices
George Washington University
J.D. · 1986
University of Massachusetts
B.S. · 1977
Jurisdictions
Mary's state bar admissions
U.S. Court of Appeal
1986 · ACTIVE
Virginia
1986 · ACTIVE
District of Columbia
1986 · ACTIVE
Mary studied at J.D. in George Washington University and B.S. in University of Massachusetts.
Law school and academic background
Mary completed J.D. in George Washington University and B.S. in University of Massachusetts. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mary runs in District of Columbia is where that training gets applied to real client questions.
Recognition
Mary's legal honors and published work
Mary has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
BV Distinguished
Legal awards and honors
BV Distinguished.
Affiliations
Mary's professional memberships and bar associations
The Virginia State Bar American Bar Association Women's Council on Energy and the Environment
Past President and Director · membership
Locations
Mary E. Wall's office in Washington
Mary's primary office is at 1700 K Street, N.W., Washington, DC, 20006-3817. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mary E. Wall — 4.4/5 rating from 1 verified client review
Every review below is from a verified client of Mary. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing environmental attorneys in Washington.
4.4
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mary E. Wall claims this profile.
Read all reviewsHiring guide
How to hire Mary E. Wall — what to expect in your first consultation
Working with a new environmental attorney should feel structured. Here's how the first two conversations with Mary usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mary charges for the initial consult. That fee is credited toward representation if you retain Mary'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; Mary will tell you what matters and what doesn't.
Questions to ask a environmental attorney in Washington, District of Columbia
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 Mary
Mary 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. Mary confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mary'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 Mary E. Wall
How much does it cost to hire Mary for a environmental case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mary walks through the likely range during the consult so there are no surprises.
Does Mary offer a free consultation?
Mary charges for the initial consult; that fee is credited toward representation if you retain Mary's office. Some environmental attorneys offer free consults — check Mary's current terms during booking.
How long do environmental cases in District of Columbia 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. Mary gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mary take my case if I'm outside Washington?
Mary is licensed in District of Columbia. Matters governed by District of Columbia law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Mary 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 Mary?
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. Mary will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mary accepting new environmental clients right now?
Mary'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 Washington and Belize City in District of Columbia
Mary handles environmental matters throughout District of Columbia. Each city below is a direct link into the search page for verified environmental attorneys in that community.
More counsel
Other top-rated environmental attorneys in District of Columbia
If Mary's intake is full or the fit isn't right, these environmental attorneys in Washington handle similar matters. Every profile below is verified and open to consultations.

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Robert E. Johnston
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Samuel J. Winer
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Robert Allen Long, Jr.
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Sheila A. Millar
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Peter Michael Dodson
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