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We are happy to announce most COVID-19 related restrictions have been removed for in-office service; however, California Public Health guidelines require those who are not fully vaccinated to comply with the face covering requirements. For other questions or concerns, please call our office at (805) 781-5643 or review our website. Documents may also be mailed in or delivered using the public drop box located outside our office lobby.

Assessor's Office

County of San Luis Obispo

Mapping/GIS

Assessment Maps and Parcel Boundary Change Requests

Assessment Maps by Book and Page

This will allow you to find and print an Assessor Map Book page based on your Assessment number.

Parcel Map List View

Parcel Boundary Change Request

Property owners may request, under certain conditions, that parcels be subdivided (or combined) using a Parcel Boundary Change Request form. Such changes in parcel boundaries can also referred to as a lot split, a lot line adjustment, a subdivision, or a parcel combination.