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City/Unincorporated Boundaries
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Abstract
All boundaries are parcel specific, and are current as of December, 2006. City boundaries are maintained by the Department of Regional Planning, Department of Public Works, and the Assessor’s Office. Unincorporated Community boundaries were established by the Department of Regional Planning. This file is updated quarterly to reflect annexations received by the Local Agency Formation Comission (LAFCO). For more detailed information about cities and unincorporated communities in the county, please go the L.A. County website at http://lacounty.info/cities_communities.htm.

