Riley N. OnckenRiley N. Oncken

Class of 2004
Sycamore, IL





Riley N. Oncken is a sole practitioner in Sycamore, Illinois, where he has practiced since 2004. He is licensed to practice in Illinois State and Federal courts. His practice areas include: civil litigation, criminal law, family law, personal injury law, real estate transactions and litigation, collections, corporate and business law, landlord/tenant law, and estate planning.

Prior to opening his own firm, he was a shareholder in the firm of Smith, Wykes & Oncken, P.C. Riley was elected to the DeKalb County Board in 2008, where he presently serves on the Economic Development, Law & Justice, Rules, and Jail Planning Committees. He also serves on the Board of Directors for the Sycamore Rotary Club and was elected President for the 2014-2015 year. Riley attends Christ Community Church and is a volunteer on the creative arts ministry team. He is married to Heather and they have two daughters, Mia and Quinn.  He has lived in Sycamore since 2003.  

Mr. Oncken graduated from Western Illinois University in 2001, with majors in Law Enforcement & Justice Administration and Political Science.  He grew up in Sugar Grove, IL and attended West Aurora High School in Aurora, IL.  For more information, visit