San Mateo County Californie (CA)
36 Code Postal (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%.

Taux Moyen Combiné
9.57%
Fourchette de Taxe Estimée: 9.38% - 9.88%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in San Mateo County (Californie) is 0.00%. Combined sales tax rates across cities in this county range from 9.38% to 9.88% (averaging 9.57%).
Taxe de Comté
0.00%
Taux Moyen Combiné
9.57%
Taux Local Maximum
9.88%
Villes Répertoriées
29

📋 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

Calculateur Interactif de Sales Tax

Calculez instantanément la taxe sur les ventes exacte et le prix d'achat total.

Taux Spécifiques à l'Adresse Taux à jour pour 2026
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Taxe d'État:
Taux de Taxe Combiné:
Taxe d'État ()
Taxe de Comté ()
Taxe Municipale ()
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Prix d'Achat Total

ZIP Codes in San Mateo County

❓ 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 Californie state taxes and local municipal/district taxes, the overall sales tax rate varies between 9.38% and 9.88%.
In Californie, grocery items are currently Exempt (0%). SaaS and digital automated goods are Non-Taxable (Custom & off-the-shelf cloud software is exempt).