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Steven Mastanduno
Attorney at Law


Steven Mastanduno focuses his legal practice on family law, estate planning, and probate (including estate administration and guardianships). He understands that every family goes through change and has its own goals, and when the legal system is involved, these changes can be challenging. Steven strives to make these life changes as smooth as possible for you and your family. His focus is on resolving disputes without the need to litigate, and he is also a capable litigator and can skillfully represent you in court.

Steven was born in Portland, Oregon, and has lived here for most of his life. He earned a bachelor’s degree in philosophy and History from Skidmore College in New York and went to law school at Willamette University College of Law in Salem, Oregon. In law school, Steven and Nate met and became friends, ultimately deciding to go into business together starting in 2015. Today, Steven lives with his fiancée, Alex, and he occupies his free time cooking, gardening, and thrift shopping.

No case is complete until a resolution addresses everyone’s interests in a sustainable way.

Bar Admissions

  • Oregon, 2015


  • J.D. - Willamette University College of Law

    • Honors: Certificate in dispute resolution

Pro-Bono Activities

  • Legal Aid Services of Oregon

  • Willamette University Law & Government Clinic

  • St. Andrews Night Clinic

  • CLiF Project

Professional Associations

  • Multnomah Bar Association