PARTNERBrian Momsen

Practice Areas

Real Estate
Land Use
Insurance Defense
General Civil Litigation (both plaintiff and defense)
Administrative Law
Personal Injury
Criminal Defense of Fish & Game/Water Code Violations

Mr. Momsen was born February 24, 1966, in Reno, Nevada and was admitted to the California State Bar and to practice law in several Federal Courts in 1991. Mr. Momsen is a 1991 graduate of the University of the Pacific, McGeorge School of Law and received his undergraduate degree from U.C. Santa Barbara in 1988. Mr. Momsen has had a general civil practice in Ukiah since 1999 and has handled litigation files from the initial pleading stage through trial and on many occasions, later, in the Court of Appeal mainly in Mendocino, Lake, Sonoma and Humboldt Counties. Prior to that, he practiced with the insurance defense firms Gibbons, Lees & Conley in Walnut Creek and Leach & English in San Francisco where he defended auto and government entity insurers as well as their insureds in civil lawsuits. Since moving to Ukiah in 1999, he has represented both plaintiffs and defendants in complex matters regarding breach of contract, lawsuits to quiet title to real property involving easements, boundaries and water rights, breaches of trust and fiduciary duties, personal injury, construction defect, and environmental contamination. Matters that Mr. Momsen has litigated from their inception through the California District Court of Appeal include the published decision Salazar v. Matejcek (2016) 245 Cal.App.4th 634 which involved timber trespass issues, as well as several unpublished opinions. He was one of the founding partners of Carter Momsen PC in 2006.

Besides zealously representing his clients in court, Mr. Momsen also regularly appears before administrative agencies such as the Mendocino County Board of Supervisors both in support of property owners applying for use permits and those that oppose a project. Mr. Momsen has also appeared before the City of Ukiah, the City of Fort Bragg, the California Coastal Commission, the Regional Water Quality Control Board North Coast Region, and the Public Utilities Commission.

From 1999-2005, Mr. Momsen served as a Judge Pro Tem for Mendocino County Superior Court hearing small claims and limited civil trials until this program was discontinued. He has also served as an administrative hearing Judge for the County of Mendocino regarding code violations. Mr. Momsen served as a settlement conference official for Mendocino County Superior Court after receiving training to be a mediator and still serves in this capacity for Lake County Superior Court. Since 2005, he has been on retention as a mediator with Selzer Realty in Ukiah, CA where he has successfully resolved numerous contract disputes between buyers, sellers and brokers of real estate.

From 1999-2014, Mr. Momsen has served on the Board of Directors for Redwood’s Community Services- a Mendocino and Lake County nonprofit corporation that runs group homes, administers foster care, and provides a myriad of other help for children and their families. Mr. Momsen has served as Chairperson, Vice Chair Person and Secretary on this Board. Mr. Momsen is an avid fisherman and enjoys angling in the rivers of the north coast for Steelhead, Trout, and Salmon.


Phone: 707.462.6694
Facsimile: 707.462.7839
Address: 305 North Main Street
Ukiah, California 95482


Phone: 707.456.9210
Address: 716 S. Main Street Suite A1
Willits, California 95490