Brian O’Neill
  • Associate




Brian O’Neill brings to Zacks, Freedman & Patterson extensive experience in land use and environmental law. Prior to joining the firm, Brian worked at the California Coastal Commission where he worked on permit appeals for a wide range of projects, including subdivisions, commercial and residential development, affordable housing, and infrastructure. In addition, he negotiated with local governments on the development of local ordinances related to short-term rentals, density bonus, accessary dwelling units, and more. He regularly appears before planning commissions, city councils, and other government agencies. 

Brian received his Juris Doctorate from the University of Colorado Law School, where he focused on environmental and administrative law. During law school, he was an editor on the Colorado Environmental Law Review and a member of Colorado’s National Energy and Environmental Moot Court team. He also completed several internships, including a judicial internship with the Honorable Gregory Hobbs of the Colorado Supreme Court.  

Areas of Practice

  • Land Use, Zoning, and Permitting
  • Land Use Litigation
  • Environmental Litigation

Bar Admissions

  • California


  • University of Colorado School of Law, Boulder, Colorado
    • J.D. - 2013
    • Honors: Order of the Coif
  • Pennsylvania State University, State College, Pennsylvania
    • B.S. - 2006
    • Major: Secondary Education

When it comes to real estate, we love a good challenge.