What is the sales tax rate for ZIP 99328 (Dayton, WA)?

As of 2026, the total combined sales tax rate for ZIP 99328 is 8.40%. This includes 6.50% state tax, 0.00% county tax, 1.90% city tax, and 0.00% special district tax.

Are groceries and SaaS taxable in Washington?

In Washington, groceries are currently Exempt (0%). Software as a Service (SaaS) and digital goods are Fully Taxable (Digital automated services / prewritten software).

Dayton, WA • Columbia County

Adressspezifische Sätze

Streamlined Sales Tax (SST) Mitglied

99328 Sales Tax Rate 2026 - Dayton, WA

Der kombinierte Umsatzsteuersatz für Dayton (99328, Washington) beträgt 2026 8.40%. Beinhaltet Bundesstaats- (6.50%), Kreis- (0.00%), Stadt- (1.90%) und Sonderbezirkssteuern.

Geschätzter Steuerbereich

8.10% - 8.40%

Repräsentativer Steuersatz: 8.40%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the total combined sales tax rate for ZIP code 99328 in Dayton, WA (Columbia County) is 8.40%. This includes 6.50% state tax, 0.00% county tax, 1.90% city tax, and 0.00% special district tax.

Adressspezifische Sätze (8.10% - 8.40%)

Die Steuersätze variieren innerhalb dieser PLZ je nach genauer Straßenadresse und Sonderbezirken.

Geografische Steueraufteilung

Jurisdiction	Rate
Bundesstaatssteuer Washington	6.50%
Kreissteuer (County) Columbia County	0.00%
Gemeindesteuer (City) Dayton	1.90%
Sonderbezirkssteuer Special District / Transportation	0.00%
Geschätzter Steuerbereich Die Steuersätze variieren innerhalb dieser PLZ je nach genauer Straßenadresse und Sonderbezirken.	8.10% - 8.40%

📋 State Tax Rules & Compliance Guide

Sourcing Rule: Destination-based

Groceries & Food: Exempt (0%)

Clothing & Apparel: Taxable

SaaS & Digital Goods: Fully Taxable (Digital automated services / prewritten software)

Economic Nexus Threshold: $100,000 combined gross receipts

Geographic & Spatial Info

ZIP Code: 99328

State Code: WA

Latitude: 46.3168

Longitude: -117.9767

Interaktiver US-Sales-Tax-Rechner

Berechnen Sie die exakte Umsatzsteuer und den Gesamtendpreis sofort.

Adressspezifische Sätze Steuersätze aktuell für 2026

Kaufbetrag ($)

Gesamtkaufpreis Reverse Calculation

Postleitzahl (ZIP)

Bundesstaatssteuer:

Kombinierter Steuersatz:

Bundesstaatssteuer ()

Kreissteuer (County) ()

Gemeindesteuer (City) ()

Sonderbezirkssteuer ()

Gesamtkaufpreis

Weitere PLZ in Dayton

08810 6.62% 16222 6.00% 22821 5.30% 36738 7.00% 36748 7.00% 37321 9.75% 41074 6.00% 45401 7.50% 45403 7.50% 45404 7.50% 45405 7.50% 45406 7.50% 45409 7.50% 45410 7.50% 45413 7.50% 45414 7.50% 45415 7.50% 45416 7.50% 45417 7.50% 45420 7.50% 45422 7.50% 45423 7.50% 45424 7.50% 45426 7.50% 45428 7.50% 45429 7.50% 45432 6.75% 45433 6.75% 45435 6.75% 45437 7.50% 45441 7.50% 45448 7.50% 45449 7.50% 45458 7.50% 45459 7.50% 45469 7.50% 45470 7.50% 45475 7.50% 45481 6.75% 45490 7.50% 47941 7.00% 50530 7.00% 59914 0.00% 83232 6.00% 83286 6.00% 97114 0.00%

❓ Frequently Asked Questions

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

The total combined sales tax rate for ZIP 99328 is 8.40% in 2026. This rate is comprised of the Washington state sales tax (6.50%), Columbia County county tax (0.00%), city tax (1.90%), and special district tax (0.00%).

In Washington, grocery food is generally Exempt (0%), clothing items are Taxable, and Software as a Service (SaaS) is Fully Taxable (Digital automated services / prewritten software).