About the Attorney

Redstone Law Firm is a trusted legal firm located in Sioux Falls, South Dakota. Specializing in business law, trusts & estates, government relations, and litigation, the firm offers expert legal representation and guidance to clients in need. Formerly known as Murphy, Goldammer, & Prendergast, LLP, Redstone Law Firm brings a wealth of experience and knowledge to each case they handle. Whether you are facing a complex business dispute, need assistance with estate planning, or require representation in government matters, the skilled attorneys at Redstone Law Firm are here to help. Contact them today to schedule a consultation and discuss your legal needs.

Client Reviews

Christina S

3/31/2026

I was unexpectedly involved in a precarious real estate situation that Lisa and Zach handled with ease. Zach guided and protected my family and finances through consistent and well-thought-out strategy to a successful outcome. I highly recommend them.