Tax Information
Effective July 1, 2025 - A Smarter Way to Handle Your Taxes.
The City of South San Francisco is making it easier than ever to file and pay your:
Transient Occupancy Tax (TOT)
Conference Center Tax (CCT)
Parking Tax
We’ve teamed up with HDL Companies to simplify your experience by managing filings and payments on our behalf.
Coming Soon to Your Mailbox. Be on the lookout for an official letter from the City of South San Francisco Tax Support Center—mailed from a Fresno, CA address. ✅ It’s legitimate and contains everything you need to know.
What’s New? • Simple, streamlined online filing • Quicker processing times • Expert support from HDL’s knowledgeable team
Got questions? The letter will include contact information and your next steps.
Important Update: South San Francisco’s New Tax Portal Is Officially Live!
As of July 1, 2025, City of South San Francisco has partnered with HdL Companies to administer the processing of the following taxes: Transient Occupancy Tax (TOT), Conference Center Tax (CCT), Short Term Rental (STR) and Parking Tax.
Online TOT/CCT, STR and Parking Tax Filing Portal: https://southsanfrancisco.hdlgov.com
As part of this transition to a new tax administration system, official letters were sent to taxpayers in June 2025 from the City of South San Francisco Tax Support Center through HdL Companies’ office in Fresno, CA. This correspondence includes your assigned account number, a link to the secure online portal, and detailed instructions for accessing and managing your tax account.
TOT/CCT, STR and Parking Tax filings—including returns, payments, required forms, compliance documentation, and support inquiries—must be submitted directly through HdL.
Questions, customer support and portal navigation help are provided by HdL, and can be reached at (650) 204-3304, Monday through Friday, 8:00 Am to 5:00 PM (Pacific Time).
Transient Occupancy Tax & Conference Center Tax
Information and Tax Returns for the collection of Transient Occupancy Tax and Conference Center Tax in South San Francisco is available below. Tax returns are required monthly for all hotels and motels operating in the city.
The current Transient Occupancy Tax rate is 14%. The current Conference Center Tax is $2.50 per room night.
TOT/CCT Customer Support- mailing address and email
City of South San Francisco
Lodging Tax Processing Center
8839 N Cedar Avenue #212
Fresno, CA 93720
Support Phone Number: (650) 204-3304
Email: SouthSanFranciscoTOT@hdlgov.com
Commercial Parking Tax
The Commercial Parking Tax is an excise tax on the activity of parking motor vehicles in the City of South San Francisco where there is a rent charged for parking. The tax is a general tax under voter-approved Proposition 218.
The current Commercial Parking Tax rate is 8%.
Parking Tax Customer Support- mailing address and email
City of South San Francisco
Parking Tax Processing Center
8839 N. Cedar Ave #212
Fresno, CA 93720
Support Phone Number: 650-204-3304
Email: SouthSanFranciscoPT@hdlgov.com
Other Assessments
The following assessments are administered by other agencies:
Property assessments are usually announced by the County Assessor in August, and the City must then set the tax rate before August 31. For questions regarding property assessments, please contact the County Assessor at (650) 363-4500.
Public utilities are assessed by the State Board of Equalization. The phone number for general tax questions is 1-800-400-7115.
Property taxes are collected by the County Tax Collector for the City, and various other taxes are collected by the State and remitted to the City. For questions regarding property tax collection, please call (650) 363-4142.