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Steven Princeton Quarles, Energy Attorney in Washington, District of Columbia

Over 46 years of legal practice · focused on Energy, Environmental, and General · 5.0/5 rating from 1 verified client review

PartneratNossaman Llp

Washington, DC

Practicing energy in Washington since 1980.

46+
Years practicing
5.0 ★
1 client review
2
Bar admissions

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Quick answer

Steven Princeton Quarles is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Steven has over 46 years of legal experience. Currently practicing at Nossaman Llp. Rated 5.0 out of 5 from 1 client review.

Based in
Washington, DC
Experience
over 46 years
Known for
Energy · Environmental · General
  • Handles Energy, Environmental, and General matters from Washington, DC.
  • Over 46 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Steven Princeton Quarles: Steven Princeton Quarles is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Steven has over 46 years of legal experience. Currently practicing at Nossaman Llp. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Practice areas handled by Steven Princeton Quarles

Steven concentrates on energy, environmental, general, government, and litigation. Each area below outlines the kind of case Steven handles, typical outcomes to expect, and how the intake process starts.

Energy cases in Washington, District of Columbia

Steven takes energy 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 Steven agrees to represent you.

Environmental cases in Washington, District of Columbia

Steven 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 Steven agrees to represent you.

General cases in Washington, District of Columbia

Steven takes general 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 Steven agrees to represent you.

Government cases in Washington, District of Columbia

Steven takes government 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 Steven agrees to represent you.

Litigation cases in Washington, District of Columbia

Steven takes litigation 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 Steven agrees to represent you.

Biography

About Steven Princeton Quarles — Over 46 years of District of Columbia energy experience

Steven Princeton Quarles is a partner based in Washington, DC. The practice focuses on Energy, Environmental, and General. Steven has over 46 years of legal experience. Currently practicing at Nossaman Llp. Rated 5.0 out of 5 from 1 client review.

Mr. Steven Princeton Quarles is a lawyer practicing litigation & trial, administrative law & regulatory, environment, energy & resources and 2 other areas of law. Steven received a A.B. degree from Princeton University in 1964, and has been licensed for 46 years. Steven practices at Nossaman LLP in Washington, DC.

Working with Steven on a energy matter

Mr. Steven Princeton Quarles is a lawyer practicing litigation & trial, administrative law & regulatory, environment, energy & resources and 2 other areas of law. Steven received a A.B. degree from Princeton University in 1964, and has been licensed for 46 years. Steven practices at Nossaman LLP in Washington, DC.

Clients Steven works with

Steven reviews new inquiries case-by-case for energy, environmental, and general matters in Washington and the surrounding District of Columbia area.

Credentials

Steven Princeton Quarles's legal education and bar admissions

  • Yale University

    J.D. · 1968

  • Princeton University

    A.B. · 1964

Jurisdictions

Steven's state bar admissions

  • District of Columbia

    1981 · ACTIVE

  • New York

    1980 · ACTIVE

Steven studied at J.D. in Yale University and A.B. in Princeton University.

Law school and academic background

Steven completed J.D. in Yale University and A.B. in Princeton University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Steven runs in District of Columbia is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Steven Princeton Quarles

Steven has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Locations

Steven Princeton Quarles's office in Washington

Steven's primary office is at 1666 K St. N.W., Ste. 500, Washington, DC, 20006. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Nossaman Llp

1666 K St. N.W., Ste. 500

Washington, DC 20006

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Client feedback

Client reviews of Steven Princeton Quarles — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Steven. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing energy attorneys in Washington.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Steven Princeton Quarles claims this profile.

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Hiring guide

How to hire Steven Princeton Quarles — what to expect in your first consultation

Working with a new energy attorney should feel structured. Here's how the first two conversations with Steven usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Steven charges for the initial consult. That fee is credited toward representation if you retain Steven'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; Steven will tell you what matters and what doesn't.

Questions to ask a energy attorney in Washington, District of Columbia

A short list to run through before you commit: How many energy 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 Steven

Steven discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in energy practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every energy 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. Steven confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Steven's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many energy practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Steven Princeton Quarles

  • How much does it cost to hire Steven for a energy case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Steven walks through the likely range during the consult so there are no surprises.

  • Does Steven offer a free consultation?

    Steven charges for the initial consult; that fee is credited toward representation if you retain Steven's office. Some energy attorneys offer free consults — check Steven's current terms during booking.

  • How long do energy cases in District of Columbia typically take?

    Simple energy 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. Steven gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Steven take my case if I'm outside Washington?

    Steven 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 — Steven 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 Steven?

    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. Steven will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Steven accepting new energy clients right now?

    Steven's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Energy attorneys serving Washington and Belize City in District of Columbia

Steven handles energy matters throughout District of Columbia. Each city below is a direct link into the search page for verified energy attorneys in that community.