Adam K. Guernsey's Profile Image
2801 T Street

Sacramento, CA
(916) 228-4221
(916) 382-4380

Our People

Adam K. Guernsey

Adam Guernsey advises clients, litigates and practices administrative law on a wide range of environmental and land-use matters involving natural resources, mining and water rights.

Prior to joining Harrison, Temblador, Hungerford, & Johnson, Mr. Guernsey practiced with Zaro & Sillis, handling complex civil litigation and administrative hearings. During law school, Mr. Guernsey worked for the Governor's Office of Legal Affairs and the Yolo County District Attorney's Office. Following law school, he also worked for the International Criminal Tribunal for the Former Yugoslavia's Office of the Prosecutor on the prosecutions of notable war criminals.

Adam earned his law degree, with great distinction, from the University of the Pacific, McGeorge School of Law, in 2011, where he served as Chief Managing Editor of the McGeorge Law Review. Adam earned his B.A. in History from the University of Oregon in 2006.


  • Vehicle Leafleting: Suggestions for Municipalities Seeking to Defend Vehicular Leafleting Bans Against First Amendment Challenges, 42 MCGEORGE L. REV. 447 (2011).
  • Clarifying the Legislature's Intent Regarding Notification of Public Safety Officers of Proposed Discipline, 41 MCGEORGE L. REV. 592 (2010).


  • Order of the Coif
  • Traynor Honor Society
  • Dean's List, 2009, 2010, & 2011
  • Witkin Award for Academic Excellence in International Criminal Law & Sentencing and Post-Conviction Remedies


  • SMARA Technical Course (Sacramento, CA, October 2019; Riverside, CA, October 2019)
  • SMARA Case Study – When the Age of Environmental Impacts Matter (2018 CalCIMA Education Conference, Anaheim, CA November 2017)
  • Case Study – 300 Years, 1.5 Billion Tons, 10 Years, 79 Seconds: A Panel Discussion of the Largest Aggregate Resource Permit in California (2017 CalCIMA Education Conference, Squaw Valley, CA November 2017)
  • CEQA for Industrial Projects (2017 Industrial Environmental Association Conference, San Diego, CA October 2017)
  • Historic Preservation & Native American Cultural Resources (Sacramento, CA, October 2014; San Diego, CA, October 2014)