What is the sales tax rate in San Mateo County, CA?

The average sales tax rate in San Mateo County (CA) is 9.57%, with jurisdictions ranging between 9.38% and 9.88%.

San Mateo County • California (CA)

36 Codice Postale (ZIP)

San Mateo County, CA Sales Tax Rates 2026

2026 sales tax rate guide for San Mateo County, CA. Average combined tax rate is 9.57% with local jurisdictions ranging up to 9.88%.

Aliquota Media Combinata

9.57%

Intervallo Imposta Stimato: 9.38% - 9.88%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in San Mateo County (California) is 0.00%. Combined sales tax rates across cities in this county range from 9.38% to 9.88% (averaging 9.57%).

Imposta di Contea

0.00%

Aliquota Media Combinata

9.57%

Aliquota Locale Massima

9.88%

Città Censite

Cities & Towns in San Mateo County

Città	Aliquota Combinata	Action
San Mateo	9.62%	Visualizza Aliquote →
Daly City	9.88%	Visualizza Aliquote →
Redwood City	9.88%	Visualizza Aliquote →
South San Francisco	9.88%	Visualizza Aliquote →
San Bruno	9.88%	Visualizza Aliquote →
Pacifica	9.88%	Visualizza Aliquote →
Foster City	9.38%	Visualizza Aliquote →
Menlo Park	9.38%	Visualizza Aliquote →
Burlingame	9.62%	Visualizza Aliquote →
San Carlos	9.38%	Visualizza Aliquote →
East Palo Alto	9.88%	Visualizza Aliquote →
Belmont	9.88%	Visualizza Aliquote →
Millbrae	9.38%	Visualizza Aliquote →
North Fair Oaks	9.38%	Visualizza Aliquote →
Hillsborough	9.38%	Visualizza Aliquote →
Atherton	9.38%	Visualizza Aliquote →
El Granada	9.38%	Visualizza Aliquote →
Brisbane	9.88%	Visualizza Aliquote →
Broadmoor	9.38%	Visualizza Aliquote →
Emerald Lake Hills	9.38%	Visualizza Aliquote →
West Menlo Park	9.38%	Visualizza Aliquote →
Montara	9.38%	Visualizza Aliquote →
Moss Beach	9.38%	Visualizza Aliquote →
Colma	9.88%	Visualizza Aliquote →
Baywood Park	9.38%	Visualizza Aliquote →
Ladera	9.38%	Visualizza Aliquote →
La Honda	9.38%	Visualizza Aliquote →
Pescadero	9.38%	Visualizza Aliquote →
Loma Mar	9.38%	Visualizza Aliquote →

📋 State Tax Rules & Compliance Guide

Sourcing Rule: Hybrid (Origin for city/county, Destination for district taxes)

Groceries & Food: Exempt (0%)

Clothing & Apparel: Taxable (standard rates)

SaaS & Digital Goods: Non-Taxable (Custom & off-the-shelf cloud software is exempt)

Economic Nexus Threshold: $500,000 in cumulative California sales

Official Tax Authority: California Department of Tax and Fee Administration (CDTFA) ↗

Calcolatore Interattivo Sales Tax

Calcola all'istante l'imposta sulle vendite esatta e il prezzo totale di acquisto.

Aliquote per Indirizzo Aliquote aggiornate al 2026

Importo Acquisto ($)

Prezzo Totale Acquisto Reverse Calculation

Codice Postale (ZIP)

Imposta Statale:

Aliquota Combinata:

Imposta Statale ()

Imposta di Contea ()

Imposta Comunale ()

Distretto Speciale ()

Prezzo Totale Acquisto

ZIP Codes in San Mateo County

94002 9.88% 94005 9.88% 94010 9.38% 94011 9.62% 94014 9.88% 94015 9.38% 94016 9.88% 94017 9.88% 94018 9.38% 94019 9.38% 94020 9.38% 94021 9.38% 94025 9.38% 94026 9.38% 94027 9.38% 94028 9.38% 94030 9.38% 94037 9.38% 94038 9.38% 94044 9.88% 94060 9.38% 94061 9.88% 94062 9.38% 94063 9.38% 94064 9.38% 94065 9.88% 94066 9.88% 94070 9.38% 94080 9.88% 94083 9.88% 94303 9.88% 94401 9.62% 94402 9.38% 94403 9.62% 94404 9.38% 94497 9.62%

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The county tax rate for San Mateo County is 0.00%. When combined with California state taxes and local municipal/district taxes, the overall sales tax rate varies between 9.38% and 9.88%.

In California, grocery items are currently Exempt (0%). SaaS and digital automated goods are Non-Taxable (Custom & off-the-shelf cloud software is exempt).