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San Luis Obispo County, California

 > County Home Page > 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


Calamity or Damage Relief


Parking Icon

Public Parking now available for visitors to the County Government Center. Click the icon for more details. 

We Moved Sign

Our North County office has relocated to 6565 Capistrano Avenue in Atascadero and is located on the 2nd floor of the new Library building.  


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 - Not Available at this Time
eForms Button  Forms & Pamphlets 


Assessor's Office Overview

2015 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