Mammen & Null, Lawyers, LLC was originally established in 1984 as D. Dale Mammen Law Office. After serving fourteen years as Union County's District Attorney, Dale Mammen opened his sole practitioner law office focusing on Estate Planning, Family and Business Law, Guardianships, Conservatorships, and Probates.
In 2004, J. Glenn Null joined the firm as a practicing attorney and took over as managing partner in 2010. Prior to practicing law, Glenn and his wife Heather operated the Sears Authorized Retail Dealer in Island City. Glenn is the Chair of the Grande Ronde Hospital Foundation and Past President of La Grande Rotary Club and volunteers extensively within Union County.
Glenn earned his law degree from Williamette University in Salem, Oregon and completed undergraduate studies at Whitman College in Walla Walla, Washington. He lives in La Grande with his wife, two daughters, and a charming hound.
Mammen & Null is housed in the historic Anthony - Buckley House constructed in 1902. Located at the intersection of Sixth and Penn Streets, this charming Victorian structure provides a warm and friendly environment to clients of all ages. The house in decorated with many pieces of period furniture and historic memorabilia collected by Dale and his wife Virginia.
J. Glenn Null, Lawyer
Sandi Johnson, Legal Assistant
Heather Null, Office Manager
D. Dale Mammen, Lawyer (retired)