Washington County Oklahoma (OK)
9 Postcode (ZIP)
Lid van Streamlined Sales Tax (SST)

Washington County, OK Sales Tax Rates 2026

2026 sales tax rate guide for Washington County, OK. Average combined tax rate is 6.74% with local jurisdictions ranging up to 8.90%.

Gemiddeld Gecombineerd Tarief
6.74%
Geschatte Belastingmarge: 4.50% - 8.90%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Washington County (Oklahoma) is 1.00%. Combined sales tax rates across cities in this county range from 4.50% to 8.90% (averaging 6.74%).
Countybelasting
1.00%
Gemiddeld Gecombineerd Tarief
6.74%
Maximaal Lokaal Tarief
8.90%
Geregistreerde Steden
6
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📋 State Tax Rules & Compliance Guide

Sourcing Rule: Destination-based
Groceries & Food: Exempt (0% Tax)
Clothing & Apparel: Taxable at standard rate
SaaS & Digital Goods: Non-Taxable
Economic Nexus Threshold: $100,000 in sales or 200 separate transactions
Official Tax Authority: Oklahoma Department of Revenue ↗

Interactieve Sales Tax Calculator

Bereken direct de exacte verkoopbelasting en de totale aankoopprijs.

Adres-Specifieke Tarieven Tarieven bijgewerkt voor 2026
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Staatsbelasting:
Gecombineerd Belastingtarief:
Staatsbelasting ()
Countybelasting ()
Gemeentebelasting ()
Speciaal District ()
Totale Aankoopprijs

ZIP Codes in Washington County

❓ Frequently Asked Questions

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

The county tax rate for Washington County is 1.00%. When combined with Oklahoma state taxes and local municipal/district taxes, the overall sales tax rate varies between 4.50% and 8.90%.
In Oklahoma, grocery items are currently Exempt (0% Tax). SaaS and digital automated goods are Non-Taxable.