South San Francisco, California Sales Tax 2026 Guide: Rates & Filing Tips

South San Francisco Sales Tax Guide 2026 (California)

South San Francisco, California Sales Tax Information

In South San Francisco, California, the combined sales tax rate is 9.9%. The city breakdown includes State Tax of 6.0%, County Tax of 0.2%, and Special Tax of 0.5%. This rate is the highest among the compared cities, with the lowest rate being 9.1% in cities such as San Gregorio and Sunnyvale.

Other cities with a sales tax rate comparison are San Carlos at 9.9%, San Gregorio at 9.4%, and Sunnyvale at 9.1%. South San Francisco has a tax-exempt product category named General Physical. The zip codes and districts associated with South San Francisco's sales tax rate are 94080 and 94083.

Overall, South San Francisco, California, has a combined sales tax rate of 9.9%.

South San Francisco

1. South San Francisco sales tax rates

2. South San Francisco Sales Tax Calculator & Lookup Tool

3. Points to Remember

4. South San Francisco sales tax guide

Navigating sales tax compliance in South San Francisco, Texas can be a challenge for businesses of all sizes. Understanding the local regulations, tax rates, and filing requirements is critical to staying compliant and avoiding penalties. At Kintsugi, we simplify sales tax compliance for businesses, helping you focus on growth without the headache of managing complex tax rules.
In this guide, we'll break down everything you need to know about sales tax in South San Francisco for 2026.

What Is the Sales Tax Rate in South San Francisco?

The sales tax rate in South San Francisco, Texas, as of February 2026, is composed of:

Jurisdiction	Sales tax rate
State Tax	6.00%
County Tax	0.25%
City Tax	0.50%
Special Tax	3.12%
Combined Tax	9.88%

(Note: Sales tax rates are subject to change. Check the website for the latest updates.)

View details for sales tax in the state of Texas

Who Needs to Collect Sales Tax in South San Francisco?

Sales tax collection in South San Francisco is required for businesses that meet the following criteria:

Physical Presence: Businesses with a store, office, warehouse, or employee in South San Francisco.
Economic Nexus: Out-of-state businesses exceeding $250,000 + Special Activities in Texas.

Not sure if your business meets these criteria? Kintsugi’s Nexus Analysis Tool can help you determine your sales tax obligations.

What Is Taxable in South San Francisco?

In South San Francisco, Texas, sales tax applies to:

Tangible personal property (e.g., electronics, clothing, furniture).
Certain services.

There are also exemptions for items like Raw Materials, General Occasional Sales, Motor Vehicles Occasional Sales, General Optional Maintenance Contracts. Ensure you check with your state’s tax authority or consult Kintsugi for clarity.

How to File Sales Tax in South San Francisco

Here’s a step-by-step guide for filing your sales tax returns:

Register Your Business: Get a sales tax permit through the state revenue website.
Collect Sales Tax: Accurately calculate sales tax on taxable transactions.
File and Pay: Submit sales tax returns through the state website by the state-specific deadline—monthly, quarterly, or annually depending on your sales volume.

Kintsugi’s Automated Filing Service streamlines the process, ensuring accuracy and timeliness.

Common Challenges in Sales Tax Compliance

Tracking tax rate changes for city, county, and special districts.
Managing exemptions and resale certificates.
Reconciling returns for accurate filing.

Kintsugi’s AI-Driven Compliance Solution takes the guesswork out of sales tax, handling rate calculations, exemption management, and filing across all jurisdictions.

Why Choose Kintsugi for Sales Tax Compliance?

Real-Time Rate Calculation across billing, payments, and e-commerce platforms.
Nexus Tracking to identify where you need to register and collect tax.
Automated Filing to save time and reduce errors.
Audit Support to give you peace of mind.

A direct-to-consumer brand, recovered over $200K in overpaid sales tax within their first month of switching to Kintsugi. Your business could be next.

Ready to Simplify Sales Tax Compliance in South San Francisco?

With Kintsugi, managing sales tax is effortless. Whether you're just starting out or scaling across multiple states, we have the tools to help you stay compliant and grow with confidence.

Ready to automate your sales tax?

Find Sales Tax Information for Other Cities in Texas

Looking for sales tax rates and compliance details for other cities in Texas? Check out our comprehensive table of sales tax information for cities across the state in the table below.