What is the sales tax rate in Washington County, CO?

The average sales tax rate in Washington County (CO) is 4.40%, with jurisdictions ranging between 2.90% and 5.40%.

Washington County • 科羅拉多州 (CO)

3 郵遞區號 (ZIP)

Washington County, CO Sales Tax Rates 2026

2026 sales tax rate guide for Washington County, CO. Average combined tax rate is 4.40% with local jurisdictions ranging up to 5.40%.

全州平均稅率

4.40%

預估稅額範圍: 2.90% - 5.40%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in Washington County (科羅拉多州) is 0.00%. Combined sales tax rates across cities in this county range from 2.90% to 5.40% (averaging 4.40%).

縣級消費稅

0.00%

全州平均稅率

4.40%

最高綜合稅率

5.40%

收錄城市總數

Cities & Towns in Washington County

所屬城市	綜合消費稅率	Action
Akron	5.40%	查看稅率 →
Otis	4.90%	查看稅率 →
Cope	2.90%	查看稅率 →

📋 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: Colorado Department of Revenue ↗

線上消費稅即時計算器

輸入金額與郵遞區號，自動計算應繳銷售稅額與最終訂單含稅總價。

含多重管轄稅率數據已更新至 2026 最新標準

商品金額 ($)

含稅訂單總金額 Reverse Calculation

郵遞區號 (ZIP)

州基準消費稅:

綜合消費稅率:

州基準消費稅 ()

縣級消費稅 ()

城市消費稅 ()

特別區 / 附加稅 ()

含稅訂單總金額

ZIP Codes in Washington County

80720 5.40% 80743 4.90% 80812 2.90%

❓ Frequently Asked Questions

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

The county tax rate for Washington County is 0.00%. When combined with 科羅拉多州 state taxes and local municipal/district taxes, the overall sales tax rate varies between 2.90% and 5.40%.

In 科羅拉多州, grocery items are currently Exempt (0% Tax). SaaS and digital automated goods are Non-Taxable.