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San Luis Obispo County, California

 > County of San Luis Obispo > Assessor


Tom Bordonaro 

Tom J. Bordonaro, Jr. - County Assessor

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 Location & Office Hours

 News & Announcements

San Luis Obispo Office:

1055 Monterey Street, Suite D360

Phone Hours: Monday-Friday 8:00am-4:00pm

Office Hours: Monday-Friday 8:00am-5:00pm

Phone: (805) 781-5643 / Fax: (805) 781-5641

Parking Icon

Public Parking now available for visitors to the County Government Center. Parking is located on Monterey Street adjacent to The Mortgage House. 

Press Release

Press Release: Important changes for non-profit organizations claiming a welfare exemption on property taxes. Click the icon for more details. 

Important Icon

Important Changes for Welfare Exemptions! Click the icon for more details. 

Atascadero Office:

6565 Capistrano Avenue (2nd floor of Library)

Office Hours: Monday-Friday 7:30am-4:00pm

Phone: (805) 461-6143 / Fax: (805) 461-6159

Interactive Applications

The Property Tax Cycle

Property info Search  Property Information Search 
GIS Maps Symbol  GIS Interactive Maps 
eFile Symbol  E-File                         
eForms Button  Forms & Pamphlets   


Assessor's Office Overview

2016 Annual Report 

Assessment Reviews/Appeals 

Change of Address Form

Prop 8 - Decline in Value Information 

Department Directory

Fee Schedule

Frequently Asked Questions


The Assessor's office:

  • Discovers, inventories, and values all real and personal property in the County
  • Creates and maintains assessment maps for all real property in the County
  • Tracks and updates property ownership for all property in the County

 The Assessor's office does not:

Establish Tax Rates

Issue Tax Bills  

Collect or Refund Taxes 

Determine Special Assessment or Maintenance District Fees