Welcome to the San Luis Obispo County Auditor-Controller-Treasurer-Tax Collector’s website. Our staff have worked hard to provide you with online services that provide useful information about our office, our work and our fiduciary obligation to safe-keep the County's financial resources.

"I am honored to be entrusted with the duties of this office, and am committed to preserving the tradition of fiscal conservatism and prudent management of public funds for the benefit of the citizens of San Luis Obispo County, county departments, local schools and special districts. I am personally dedicated to excellence in the performance of all duties and am proud to say that the Auditor-Controller-Treasurer-Tax Collector’s Office is well known for its culture of professionalism, teamwork, innovative thinking, and superior customer service."

Thank you for visiting our site and if you require additional information or have any questions, please feel free to contact us.

After April 10th, the Second Installment of the Annual Property Tax Bill must be paid with a 10% penalty and a delinquent cost.

After the delinquency date of April 10th, California law requires that a 10% penalty and a delinquent cost be imposed on second installments. Please contact our office at ttc@co.slo.ca.us or (805) 781-5831 if you have questions about your tax bill. 

View or Pay Property Taxes by eCheck, Visa, MasterCard, Discover Card, or American Express

The Auditor-Controller-Treasurer-Tax Collector is the Chief Financial Officer for the County Government.

The Office enhances the public’s trust by acting as a guardian of funds administered for the County, cities, schools, and special districts and by providing an independent source of financial information and analysis.

The Auditor-Controller Division provides for all accounting and auditing functions of County government and serves as an independent source of financial information and analysis for the public, local governmental agencies, County departments, and all other stakeholders.  The division also provides financial reporting, including the Comprehensive Annual Financial Report.

The Treasury Division safeguards and invests County funds, including funds for school districts and other local agencies. The Treasury also provides information about investment performance.

The Tax Collector Division is responsible for issuing Secured (real estate) and Unsecured (businesses, boats, planes) tax bills. Online payments are available. The Tax Collector also issues County Business Licenses and collects Transient Occupancy Tax (TOT, or "Hotel Tax") in the unincorporated areas of the County.

The Public Administrator Division is responsible for administering the estates of deceased county residents when no other party is willing and able to administer these estates.

The Auditor-Controller-Treasurer-Tax Collector also offers a Whistleblower Hotline, for reporting fraud or waste within the County.

Featured News

Voters at voting booths

Board Moves Forward with Cannabis Business Tax

The fate of SLO County cannabis taxes may soon be in the hands of local voters.

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Los Osos Water Recycling Facility - Ribbon Cutting Ceremony April, 2016

Los Osos Tax Bills Now Include Wastewater Costs

For the first time, this fiscal year residents of Los Osos will see two charges included on their annual property tax bills to fund the Los Osos Wastewater Recycling Facility.

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After April 10th, the Second Installment of the Annual Property Tax Bill must be paid with a 10% penalty and a delinquent cost.

After the delinquency date of April 10th, California law requires that a 10% penalty and a delinquent cost be imposed on second installments. Please contact our office at ttc@co.slo.ca.us or (805) 781-5831 if you have questions about your tax bill. 

View or Pay Property Taxes by eCheck, Visa, MasterCard, Discover Card, or American Express