Affordable & Compassionate Colorado Lawyers Since 1994

Attorney Andrea N. Mahoney

Andrea N. Mahoney


Practice Areas

  • Estate and Trust Litigation
  • Contract Litigation
  • Business Litigation
  • Commercial Litigation


Andrea N. Mahoney is a partner at Olsen & Mahoney, LLP, who specializes in estate and trust litigation; probate; and commercial, business and contract litigation. She began her practice focusing on Elder Law issues. While in law school, Ms. Mahoney was the only student member of the National Academy of Elder Law Attorneys. Her studies emphasized issues concerning the elderly, estate planning and tax matters, and estate and trust litigation. After law school, Ms. Mahoney became employed with a law firm focusing on these issues. Ms. Mahoney then gained experience practicing complex commercial litigation for several years. She has successfully tried and arbitrated numerous cases and has successfully argued five cases to the Colorado Court of Appeals. Ms. Mahoney's extensive commercial litigation experience, coupled with her knowledge of the Colorado Rules of Civil Procedure and the law, have greatly enhanced her ability to litigate in this very specialized area of estate and trust litigation. Since joining the firm, Ms. Mahoney has successfully litigated and mediated complex, contested estate and trust matters, in addition to maintaining a practice of commercial, business and contract litigation. Ms. Mahoney was named as a Colorado Super Lawyer - Rising Star in 2009.


  • Oklahoma City University School of Law, Oklahoma City, Oklahoma
    • J.D. – 1995
    • Member, National Academy of Elder Law Attorneys
    • Gamma Phi Beta Sorority
  • Oklahoma State University, Stillwater, Oklahoma
    • B.S., Marketing – 1991

Bar Admission

  • Colorado, 1996
  • U.S. District Court District of Colorado, 1996
  • U.S. Court of Appeals 10th Circuit, 1997


  • Colorado Super Lawyers-Rising Star, 2009

Pro-Bono Activities

  • Kent Denver School, Numerous Volunteer Positions, 2017 to Present
  • Graland Country Day School, Numerous Volunteer Positions, 2008 to 2020
  • Washington Park Early Learning Center, 2008 - 2011 (Coordinator)
  • Washington Park Early Learning Center, 2007 - 2008 (Board Member)
  • Crestmoor Community Association, 2019 to Present (Board Member)

Professional Associations

  • Colorado Bar Association, Member, 1996 to Present
  • Trust and Estate Section, Colorado Bar Association
  • Denver Bar Association, Member, 1996 to Present

Fraternities and Sororities

  • Gamma Phi Beta