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D. 'Sonny' Walter, Criminal Defense Attorney in Sioux Falls, South Dakota

Over 37 years of legal practice · 4.3/5 rating from 2 verified client reviews

MemberatD. "Sonny" Walter, Attorney at Law

Sioux Falls, SD

Practicing criminal defense in Sioux Falls since 1989.

37+
Years practicing
4.3 ★
2 client reviews
1
Bar admission

Practices in

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Quick answer

D. 'Sonny' Walter is a member based in Sioux Falls, SD. The practice focuses on Criminal Defense. D. has over 37 years of legal experience. Currently practicing at D. "Sonny" Walter, Attorney at Law. Rated 4.3 out of 5 from 2 client reviews.

Based in
Sioux Falls, SD
Experience
over 37 years
Known for
Criminal Defense
  • Handles Criminal Defense matters from Sioux Falls, SD.
  • Over 37 years of practice as a licensed attorney.
  • Recognized with BV Distinguished.

About D. 'Sonny' Walter: D. 'Sonny' Walter is a member based in Sioux Falls, SD. The practice focuses on Criminal Defense. D. has over 37 years of legal experience. Currently practicing at D. "Sonny" Walter, Attorney at Law. Rated 4.3 out of 5 from 2 client reviews.

Areas of practice

D.'s practice areas in Sioux Falls

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

Criminal Defense cases in Sioux Falls, South Dakota

D. takes criminal defense 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 D. agrees to represent you.

Biography

D. 'Sonny' Walter, criminal defense attorney serving Sioux Falls

D. 'Sonny' Walter is a member based in Sioux Falls, SD. The practice focuses on Criminal Defense. D. has over 37 years of legal experience. Currently practicing at D. "Sonny" Walter, Attorney at Law. Rated 4.3 out of 5 from 2 client reviews. D. works from Sioux Falls, South Dakota and takes on criminal defense matters across the region.

D. "Sonny" Walter is a lawyer practicing criminal law. D. "Sonny" received a B.S. degree from University of South Dakota in 1985, and has been licensed for 37 years. D. "Sonny" practices at D. "Sonny" Walter, Attorney at Law in Sioux Falls, SD.

How D. handles criminal defense matters

D. "Sonny" Walter is a lawyer practicing criminal law. D. "Sonny" received a B.S. degree from University of South Dakota in 1985, and has been licensed for 37 years. D. "Sonny" practices at D. "Sonny" Walter, Attorney at Law in Sioux Falls, SD.

Who D. represents

D. reviews new inquiries case-by-case for criminal defense matters in Sioux Falls and the surrounding South Dakota area.

Credentials

Credentials — where D. studied and practices

  • University of South Dakota

    J.D. · 1989

  • University of South Dakota

    B.S. · 1985

Jurisdictions

D.'s state bar admissions

  • South Dakota

    1989 · ACTIVE

D. studied at J.D. in University of South Dakota and B.S. in University of South Dakota.

Law school and academic background

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

Recognition

D.'s legal honors and published work

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

  • BV Distinguished

Legal awards and honors

BV Distinguished.

Affiliations

D.'s professional memberships and bar associations

  • The State Bar of South Dakota

    membership

Locations

D. 'Sonny' Walter's office in Sioux Falls

D.'s primary office is at 335 N. Main Ave., Sioux Falls, SD, 57104-6013. In-person meetings are by appointment; a phone intake usually comes first.

Main office

D. "Sonny" Walter, Attorney at Law

335 N. Main Ave.

Sioux Falls, SD 57104-6013

Open in Google Maps

Client feedback

Client reviews of D. 'Sonny' Walter — 4.3/5 rating from 2 verified client reviews

Every review below is from a verified client of D.. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing criminal defense attorneys in Sioux Falls.

4.3

2 client reviews

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once D. 'Sonny' Walter claims this profile.

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Hiring guide

How to hire D. 'Sonny' Walter — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a criminal defense attorney in Sioux Falls, South Dakota

A short list to run through before you commit: How many criminal defense 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 D.

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

Hourly rates, contingency fees, and flat-fee options

Every criminal defense 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. D. confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about D. 'Sonny' Walter

  • How much does it cost to hire D. for a criminal defense case?

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

  • Does D. offer a free consultation?

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

  • How long do criminal defense cases in South Dakota typically take?

    Simple criminal defense 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. D. gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

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

    D. 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 — D. 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 D.?

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

  • Is D. accepting new criminal defense clients right now?

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

Areas served

Criminal Defense attorneys serving Sioux Falls, Rapid City and Pierre in South Dakota

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

More counsel

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