Lloyd Pilchen

Lloyd Pilchen is a Partner with Olivarez Madruga Lemieux O’Neill. His practice includes municipal, land use, water and environmental law. Mr. Pilchen advises city councils, planning commissions, water districts and school districts on environmental regulation, government ethics, open meetings, and planning and zoning laws, and he litigates real property, code enforcement, personal injury, employment, public works construction and eminent domain cases.

In writ of mandate litigation, as lead attorney Mr. Pilchen prevailed on behalf of a school district petitioner against the County of Los Angeles in an election law dispute, and successfully defended a city against a national news organization’s lawsuit under the Public Records Act.

Mr. Pilchen has taught environmental law and subdivision law and speaks on real property topics to law schools, public agencies, California Map Society, and bar associations. As a licensed land surveyor, his expertise includes subdivisions, boundaries, easements, title issues, and construction.


  • Parcels, Takings and Environmental Protection in Murr v. Wisconsin, The Public Lawyer, 2018
  • “Small Congregations Deserve Unique Parking Rules,” Guest Commentary, Los Angeles Daily News, Long Beach Press-Telegram, Pasadena Star-News, San Gabriel Valley Tribune, Inland Valley Daily Bulletin, February 2014
  • When Two Become One: A Look at Merger of Adjoining Parcels, Municipal Lawyer Magazine, 2010
  • Increased Litigation in Store for L.A.’s Medical Marijuana Ordinance, Century City Lawyer, 2010
  • Roads That Come Up Short Under the Law, The American Surveyor, 2007
  • When A Subdivision Map Isn’t A Subdivision Map, The American Surveyor, 2004
  • Interstate Boundary Cases and the Supreme Court, Parts 1 and 2, Professional Surveyor, 2003


  • Honoree at Public Counsel 2014 Pro Bono Awards for work with its Early Care and Education Law Project.


  • USC Law School, J.D., 2002
  • University of Illinois, B.A.


  • State Bar of California (2002)
  • U.S. District Court, Southern District of California

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