Profile
Compassionate Legal Guidance in Bismarck
Over 30 Years of Dedicated Service
Kellington & Oster, PC is a well-established law firm located in Bismarck, North Dakota, serving clients throughout the region with a blend of legal expertise and genuine compassion. Co-founded by attorney Theresa Kellington, the firm has built a reputation for helping individuals navigate some of life’s most challenging moments. Whether you are going through a painful family transition or facing criminal charges, the team at Kellington & Oster offers a steady hand and a strategic mind. They understand that every case is unique and personal, which is why they prioritize listening to their clients and tailoring their approach to meet specific goals. If you need to find a lawyer who will treat you with respect and fight for your interests, Kellington & Oster, PC is a trusted choice in the community.
Comprehensive Practice Areas
The firm provides legal services across several critical areas of law:
- Family Law: Assisting clients with divorce, child custody, visitation, and support issues. They work to resolve conflicts amicably but are fully prepared to advocate in court when necessary.
- Criminal Defense: Defending the rights of individuals accused of crimes, ranging from DUIs and drug offenses to serious felonies.
- Estate Planning and Probate: Helping families prepare for the future with wills and trusts, and guiding them through the probate process after a loss.
- Juvenile Law: Representing minors in legal proceedings, ensuring their future opportunities are protected.
Accessible South Bismarck Location
The office is located at 619 Riverwood Dr, Suite 202, in the southern part of Bismarck near the Missouri River. This location offers a quieter setting away from the immediate bustle of downtown, with ample parking available for clients. It is easily accessible via the Bismarck Expressway, making it convenient for residents of Bismarck, Mandan, and the surrounding areas.
A Client-First Philosophy
We pride ourselves on being a compassionate legal team dedicated to serving our community with excellence.
Theresa Kellington and her team believe that high-quality legal representation should be accessible and transparent. They strive to demystify the legal process, ensuring clients understand their rights and options at every stage. Whether you are looking for a divorce attorney or need assistance with a guardianship, Kellington & Oster, PC offers the experienced counsel you need to move forward with confidence.
Specializing In
Family Law, Criminal Defense, Juvenile Law, Estate Planning
Address & Location
Located in the quiet, scenic South Bismarck business district, close to the beautiful Missouri River and Riverside Park.
Building Location
Situated on the second floor of the modern 2-story Riverwood Professional Building at 619 Riverwood Drive. The building is shared with prominent local businesses, including the state-of-the-art Schumacher Diamond Cutters & Jewelers and the Bismarck Vet Center.
Suite Access
Enter the Riverwood Professional Building through the main front entrance. Take the stairs or elevator to the second floor, and the offices of Kellington & Oster, PC will be found directly in Suite 202.
Parking Details
Clients can enjoy ample, free on-site surface parking directly in front of the building.
Map
Sorry, no records were found. Please adjust your search criteria and try again.
Sorry, unable to load the Maps API.





