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About

Ryan Duffy Law is a lawyer, located at 524 N Main Ave Unit 110, Sioux Falls, SD 57104. They can be contacted via phone at (605) 271-1819 or email at [email protected], visit their website www.ryanduffylaw.com or Facebook profile for more detailed information.

Ryan Duffy Law is a criminal defense law firm that serves Sioux Falls, South Dakota, from its office at 524 N Main Ave, Unit 110. The firm represents adults and juveniles who face misdemeanor and felony charges, and it litigates cases throughout the region, including Minnehaha, Lincoln, Union, Clay, Lake, Moody, and Turner Counties. Ryan Duffy Law focuses on criminal defense while also handling estate planning, personal injury, and protection order matters, which makes the practice a broad legal resource for the community it serves. The firm emphasizes direct attorney communication, offers a free case review, and brings negotiation, courtroom, and trial experience to every stage of a case, from jury selection through verdict and appeal. Clients can reach Ryan Duffy Law at (605) 271-1819 during business hours of Monday through Friday, 8:00 a.m. to 5:00 p.m.

Tags : #DuiLawyer, #CriminalDefenseLawyer, #TheftAttorney, #EstatePlanningLawyer, #DrugLawyer

Location :
524 N Main Ave Unit 110, Sioux Falls, SD 57104
Added by Ryan Duffy Law, at 03 August 2026

Opening Hours

  • Monday 08:00 AM - 05:00 PM
  • Tuesday 08:00 AM - 05:00 PM
  • Wednesday 08:00 AM - 05:00 PM
  • Thursday 08:00 AM - 05:00 PM
  • Friday 08:00 AM - 05:00 PM
  • Saturday Closed
  • Sunday Closed

Products and Services

  • Criminal Justice Attorney
  • Lawyer
  • Law Firm
  • Trial Attorney
  • Personal Injury Attorney

Criminal Defense and DUI/DWI Representation

Ryan Duffy Law defends clients against a wide range of criminal charges, and DUI and DWI cases sit at the core of that work. The firm represents drivers accused of driving under the influence, and it also handles assault charges, drug distribution and possession cases, theft, robbery and burglary, sex crimes, and homicide defense. Ryan Duffy Law guides clients through South Dakota programs such as DUI court, drug court, veterans court, and the methamphetamine sentencing alternative, which gives defendants pathways toward alternatives to incarceration. Because most cases resolve before trial, the firm negotiates on behalf of its clients while remaining prepared to try a case fully when a courtroom outcome becomes necessary.

Record Relief: Pardons, Sentence Modifications, and Expungements

Ryan Duffy Law helps people move past a prior criminal record through pardons, sentence modifications, and expungements. The firm petitions for pardons that restore rights and clear a person's standing, and it pursues sentence modifications that adjust the terms of an existing sentence. Ryan Duffy Law also files expungements that remove qualifying charges and convictions from a client's record, which improves employment, housing, and licensing prospects. This record-relief work extends the firm's mission beyond the courtroom, because it addresses the long-term consequences that follow a conviction and gives clients a route toward a cleaner future.

Estate Planning, Personal Injury, and Protective Services

Beyond its criminal practice, Ryan Duffy Law serves clients through estate planning, personal injury representation, and protection order matters. The firm drafts wills and power of attorney documents, which allows individuals and families to plan for the future and protect their assets. Ryan Duffy Law represents injured clients in personal injury claims, and it assists people seeking protection orders in situations involving abuse and neglect. These services position the firm as a full-service legal advocate, because Ryan Duffy Law supports clients through both the pressing crises and the planning decisions that shape their lives.

Frequently Asked Questions (FAQ)

  • What types of cases does Ryan Duffy Law handle in Sioux Falls??
    Ryan Duffy Law is a criminal defense firm in Sioux Falls, South Dakota, that represents adults and juveniles facing misdemeanor and felony charges. The firm handles DUI and DWI cases, assault, drug distribution and possession, theft, robbery, burglary, sex crimes, and homicide defense, and it also takes on estate planning, personal injury, and protection order matters. The practice serves clients throughout the region, including Minnehaha, Lincoln, Union, Clay, Lake, Moody, and Turner Counties.
  • Where is Ryan Duffy Law located and what areas does it serve??
    Ryan Duffy Law is located at 524 N Main Ave, Unit 110, in Sioux Falls, South Dakota, and operates Monday through Friday from 8:00 a.m. to 5:00 p.m. The office sits near the Minnehaha County Courthouse, and the firm litigates cases across southeastern South Dakota, including Minnehaha, Lincoln, Union, Clay, Lake, Moody, and Turner Counties. Prospective clients can reach the office by phone at (605) 271-1819 to schedule a consultation.
  • Does Ryan Duffy Law offer a free consultation??
    Ryan Duffy Law offers a free case review to people who are facing criminal charges or who need legal guidance in Sioux Falls, South Dakota. During this initial review, the firm speaks with the client, addresses concerns, and develops a specific plan of action for the case. Anyone seeking a free consultation can contact the office at (605) 271-1819 during business hours of Monday through Friday, 8:00 a.m. to 5:00 p.m.
  • Can Ryan Duffy Law help expunge or clear a criminal record??
    Ryan Duffy Law helps clients pursue record relief through pardons, sentence modifications, and expungements in South Dakota. The firm files expungements that remove qualifying charges and convictions from a person's record, petitions for pardons that restore rights, and requests sentence modifications that adjust the terms of an existing sentence. This record-relief work improves employment, housing, and licensing prospects for clients across the Sioux Falls area and surrounding counties.
  • Does Ryan Duffy Law handle DUI and DWI cases in South Dakota??
    DUI and DWI defense sits at the core of the criminal practice at Ryan Duffy Law, which represents drivers accused of driving under the influence throughout the Sioux Falls region. The firm guides clients through South Dakota programs such as DUI court, drug court, veterans court, and the methamphetamine sentencing alternative, which can offer pathways to alternatives to incarceration. Because most cases resolve before trial, the firm negotiates on a client's behalf while remaining prepared to take a case to a full jury trial when necessary.

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