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Ellen T. O'Brien, Environmental Attorney in Sioux Falls, South Dakota

Over 47 years of legal practice

Sioux Falls, SD

Practicing environmental in Sioux Falls since 1979.

47+
Years practicing
1
Bar admission

Practices in

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Quick answer

Ellen T. O'Brien is an attorney based in Sioux Falls, SD. The practice focuses on Environmental. Ellen has over 47 years of legal experience.

Based in
Sioux Falls, SD
Experience
over 47 years
Known for
Environmental
  • Handles Environmental matters from Sioux Falls, SD.
  • Over 47 years of practice as a licensed attorney.

About Ellen T. O'Brien: Ellen T. O'Brien is an attorney based in Sioux Falls, SD. The practice focuses on Environmental. Ellen has over 47 years of legal experience.

Areas of practice

Ellen's practice areas in Sioux Falls

Ellen concentrates on environmental. Each area below outlines the kind of case Ellen handles, typical outcomes to expect, and how the intake process starts.

Environmental cases in Sioux Falls, South Dakota

Ellen takes environmental matters in Sioux Falls, South Dakota. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Ellen agrees to represent you.

Biography

Ellen T. O'Brien, environmental attorney serving Sioux Falls

Ellen T. O'Brien is an attorney based in Sioux Falls, SD. The practice focuses on Environmental. Ellen has over 47 years of legal experience. Ellen works from Sioux Falls, South Dakota and takes on environmental matters across the region.

Ellen T. O'Brien is a lawyer practicing environmental. Ellen T. received a B.A. degree from College of St. Catherine in 1961, and has been licensed for 47 years. Ellen T. practices in Sioux Falls, SD.

Ellen's approach to environmental cases

Ellen T. O'Brien is a lawyer practicing environmental. Ellen T. received a B.A. degree from College of St. Catherine in 1961, and has been licensed for 47 years. Ellen T. practices in Sioux Falls, SD.

The kind of cases Ellen takes

Ellen reviews new inquiries case-by-case for environmental matters in Sioux Falls and the surrounding South Dakota area.

Credentials

Credentials — where Ellen studied and practices

  • University of Maryland

    J.D. · 1979

  • College of St. Catherine

    B.A. Johns · 1961

Jurisdictions

Ellen's state bar admissions

  • Maryland

    1979 · ACTIVE

Ellen studied at J.D. in University of Maryland and B.A. Johns in College of St. Catherine.

Law school and academic background

Ellen completed J.D. in University of Maryland and B.A. Johns in College of St. Catherine. Formal legal training is one signal of substantive knowledge — the day-to-day practice Ellen runs in South Dakota is where that training gets applied to real client questions.

Locations

Office locations for Ellen T. O'Brien in Sioux Falls, South Dakota

Ellen's primary office is at Sioux Falls, SD, 57117-6034. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Sioux Falls, SD 57117-6034

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Client feedback

Client reviews of Ellen T. O'Brien

Ellen 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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Hiring guide

How to hire Ellen T. O'Brien — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a environmental attorney in Sioux Falls, South Dakota

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 Ellen

Ellen 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. Ellen confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Ellen'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 Ellen T. O'Brien

  • How much does it cost to hire Ellen for a environmental case?

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

  • Does Ellen offer a free consultation?

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

  • How long do environmental cases in South Dakota 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. Ellen gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Ellen take my case if I'm outside Sioux Falls?

    Ellen is licensed in South Dakota. Matters governed by South Dakota law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Ellen 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 Ellen?

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

  • Is Ellen accepting new environmental clients right now?

    Ellen'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 Sioux Falls, Rapid City and Pierre in South Dakota

Ellen handles environmental matters throughout South Dakota. Each city below is a direct link into the search page for verified environmental attorneys in that community.

More counsel

If Ellen's intake is full or the fit isn't right, these environmental attorneys in Sioux Falls handle similar matters. Every profile below is verified and open to consultations.