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COVID-19 Updates: Get the latest public information related to coronavirus disease 2019 (COVID-19) at ReadySLO.org.

COVID-19 has changed some of the procedures for providing service to you. For most questions or concerns, please call our office at (805) 781-5643 or review our website. If you need to meet with assessor staff, video conferencing or appointments can be scheduled. Please call or email www.slocounty.ca.gov/Departments/Assessor/Contact-Us.aspx to schedule a meeting or video conference. Our office is open to the public; however, there may be wait times due to the requirements for social distancing (Per California of Public Health Guidance, face coverings need to be worn while in the building). Documents may also be mailed in or delivered using the public drop box located outside our office lobby. 

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Tom J. Bordonaro, Jr.

Tom J. Bordonaro, Jr.

County Assessor

Assessor RSS News Feed

Old Victorian home in downtown San Luis Obispo Click to view article, Homeowners' Property Tax Exemption Deadline Approaches

Homeowners' Property Tax Exemption Deadline Approaches

County Assessor Tom J. Bordonaro, Jr. would like to remind all homeowners, disabled veterans and eligible non-profit organizations that they may file claims for property tax exemptions.

Boats Moored in Morro Bay Harbor Click to view article, Change in Possessory Interest Assessments

Change in Possessory Interest Assessments

Possessory Interest taxpayers will benefit from an expanded tax exemption approved by the Board of Supervisors on December 10, 2019. As many as 400 taxpayers could see a tax reduction under a revised “low value ordinance."

Sunrise over grape vineyard Click to view article, Assessor Tom Bordonaro Confirms Strong Growth

Assessor Tom Bordonaro Confirms Strong Growth

Property assessment roll increases for 2019

Cogs and wheels Click to view article, Assessor Receives High Marks in Board of Equalization Audit

Assessor Receives High Marks in Board of Equalization Audit

The Assessor effectively manages staff and workload.

Empty Shelving Units Click to view article, Technology Transformation Achieved by Assessor Tom Bordonaro

Technology Transformation Achieved by Assessor Tom Bordonaro

A major milestone in the technology transformation of the County Assessor’s Office has been achieved by San Luis Obispo County Assessor Tom Bordonaro and his staff.  Transforming paper files and maps to digital technology has now been accomplished in an effort that will greatly benefit the public and other county departments that rely on the...

A small sample of rows and rows of paper files... Click to view article, Assessor's Office Transitions to Digital Files

Assessor's Office Transitions to Digital Files

On October 17, 2017, the County Board of Supervisors approved the Assessor Records Transition Project, a joint effort by the Assessor and Information Technology departments. One year later, on October 17, 2018, the Assessor completed the digitization of all property files located in the San Luis Obispo office.