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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

ADA Parking ADA parking is now available for visitors to the County Government Center. ADA parking spaces are located behind the Fremont Theater and are accessed off of Higuera Street. Click the icon for more information.


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.  


 Exemption Save Button

Tax Exemption Deadline Press Release 

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

Important Dates & Deadlines

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


 February 17th -

Affidavit for 4% Assessment of Certain Vessels (Form 576-E) Due

Aircraft Property Statements (Form 577) Due

Historical Aircraft Exemption (Form 260-B) Due


April 1st -

Business Property Statement (Form 571-L) Due

Agricultural Property Statement (Form 571-F) Due

Apartment House Property Statement (Form 571-R) Due

Vessel Property Tax Statement (Form 576-D) Due



Assessor's Office Overview

2014 Annual Report 

Assessment Reviews/Appeals 

Change of Address Form

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