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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


We're Hiring! Click the icon to see current employment opportunities with our department.

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