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NEW2026 tax rates and LLC fees updated for all 50 states.
Fact-checked by Financial ExpertsLast Updated: March 2026Wyoming Department of Revenue

Wyoming Sales Tax & Business Guide 2026

State rate: 4% · Max combined: 6.00% · LLC: $100

Wyoming Sales Tax Calculator

Total with Tax

$0.00

State Rate

4%

Max Combined

6.00%

LLC Fee

$100

Franchise Tax

None

Wyoming Economic Nexus Thresholds

Threshold TypeAmountEffective Date
Annual Sales$100,0002019-07-01
Transaction Count200 transactions2019-07-01

Remote sellers exceeding these thresholds must register to collect and remit Wyoming sales tax. Source: Wyoming Department of Revenue

Tax Comparison: Wyoming vs Neighboring States

StateState Sales TaxLLC Filing FeeIncome Tax
Wyoming (WY)4%$100No
Montana0%
South Dakota4.5%
Nebraska5.5%
Colorado2.9%
Utah6.1%
Idaho6%

Operating a business in Wyoming requires a solid understanding of the state's tax framework. The base state sales tax rate is 4%, with local jurisdictions adding up to 2%. LLC formation costs $100 in 2026.

Economic Nexus in Wyoming

Remote sellers must collect Wyoming sales tax if they exceed $100,000 in annual sales or 200 transactions within the state. This threshold has been in effect since 2019-07-01. Marketplace facilitators like Amazon and Etsy are also required to collect and remit tax on behalf of third-party sellers. The Wyoming Department of Revenue enforces these provisions and provides registration guidance at https://revenue.wyo.gov.

LLC Formation in Wyoming (2026)

Forming an LLC in Wyoming costs $100 for the initial filing. There is no annual franchise tax, keeping ongoing costs low. The annual report fee is $60. Wyoming has no state income tax, making it attractive for LLC owners seeking tax efficiency.

The process involves filing Articles of Organization with the Secretary of State, obtaining a federal EIN, and registering for applicable state tax accounts. You will also need a sales tax permit from the Wyoming Department of Revenue.

Key Tax Rules

• Wyoming has a 4% state sales tax rate.

• Local taxes can add up to 2%.

• Wyoming has no state income tax.

• Economic nexus: $100,000 in sales or 200 transactions.

Sales Tax Exemptions

The following categories are generally exempt from sales tax in Wyoming: groceries, prescription drugs, medical devices, agricultural equipment. Businesses should maintain proper documentation for exempt transactions.

Wyoming City Tax Guides

Cheyenne, WY

6%

Combined

6%

Local

2%

License Fee

None

As of 2026, the combined sales tax rate in Cheyenne, Wyoming is 6%, consisting of the 4% state rate and a 2% local rate. This guide covers everything businesses need to know about tax compliance, LLC formation, and local regulations in Cheyenne.

Local Tax Rules in Cheyenne

Cheyenne has a 2% local tax. Wyoming's capital and largest city. No separate city business license fee is typically required.

Exemptions in Cheyenne

Casper, WY

6%

Combined

6%

Local

2%

License Fee

None

As of 2026, the combined sales tax rate in Casper, Wyoming is 6%, consisting of the 4% state rate and a 2% local rate. This guide covers everything businesses need to know about tax compliance, LLC formation, and local regulations in Casper.

Local Tax Rules in Casper

Casper has a 2% local tax. Central Wyoming's economic hub and energy industry center. No separate city business license fee is typically required.

Exemptions in Casper

Wyoming County Tax Rates

CountyCombined RateLocal RatePopulation
Laramie County6%2%100,512
Natrona County6%2%79,858
Campbell County6%2%46,133
Sweetwater County6%2%42,343
Fremont County5%1%39,261
Albany County6%2%38,114

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Last Updated: March 2026. Consult a licensed tax professional for advice specific to your situation.