Mammen & Null Lawyers

At Mammen & Null, Lawyers, LLC, we have been serving our community for decades. We are a trusted and committed team of professionals who are dedicated to providing exceptional legal services to our clients. Our story began in 1984 when D. Dale Mammen established the D. Dale Mammen Law Office. Over the years, we have grown and evolved, and today we are a respected and well-established law firm in the heart of La Grande, Oregon.

Our team is comprised of experienced attorneys and dedicated staff who are passionate about helping individuals and families navigate the legal challenges they face. We are committed to providing personalized, compassionate, and effective legal representation to our clients. We understand that every case is unique and requires a tailored approach to achieve the best possible outcome.

Our Services

At Mammen & Null, we offer a wide range of legal services designed to meet the diverse needs of our clients. Our practice areas include Estate Planning, Guardianship, Conservatorship, Probate, Small Business, and Adoption and Family Law. Whether you are starting a new business, planning for the future, dealing with a family matter, or navigating the complexities of the legal system, we are here to help.

Our attorneys are skilled and knowledgeable in their respective practice areas, and they are dedicated to staying up-to-date with the latest developments in the law. We believe in providing our clients with the highest level of service and attention to detail, and we are committed to achieving the best possible outcomes for our clients.

Our Team

At Mammen & Null, we are proud of our team of experienced attorneys and dedicated staff. Our team includes J. Glenn Null, who has been practicing law since 2004 and took over as managing partner in 2010. Glenn is an active member of the community and has volunteered extensively within Union County. He earned his law degree from Willamette University and completed his undergraduate studies at Whitman College.

We also have Zach Nice, who joined Mammen & Null in 2018 after completing his law degree at Willamette University College of Law. Zach is passionate about helping individuals and families navigate the legal system and is dedicated to providing exceptional service to our clients.

In addition to our attorneys, we have a dedicated staff, including Sandi Johnson, who serves as our legal assistant, and Heather Null, who is our office manager. Our staff is friendly, knowledgeable, and always ready to assist our clients with any questions or concerns they may have.

Our History

Mammen & Null, Lawyers, LLC is housed in the historic Anthony - Buckley House, which was constructed in 1902. This charming Victorian structure provides a warm and welcoming environment for our clients of all ages. The house is decorated with many pieces of period furniture and historic memorabilia collected by D. Dale Mammen and his wife Virginia.

We are proud of our history and our commitment to serving our community. We believe in providing exceptional legal services, and we are dedicated to helping individuals and families navigate the legal challenges they face. Whether you are dealing with a personal matter, planning for the future, or starting a new business, we are here to help.