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Casper Sales Tax Guide 2025 (Wyoming)

This 2025 guide to Casper sales tax breaks down important sales tax rates, exemptions, legislation, and filing deadlines for Wyoming businesses selling in the Casper area or out-of-state businesses selling to customers in Casper.

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For more general info on Wyoming sales tax, take a look at our 2025 Wyoming Sales Tax Guide.

Casper Sales Tax Rate (Wyoming)

In 2025, Casper, Wyoming, imposes a total sales tax rate of 6.0%, comprising state, county, and a 1.0% specific purpose tax effective April 1, 2025. This rate is consistent across the city, with no additional city taxes affecting the total sales tax rate.

For every $100 spent in Casper, the city receives $0.00.

Tax ComponentRate
Wyoming State Tax4.0%
Natrona County Tax1.0%
Specific Purpose Sales Tax1.0%
Total Sales Tax Rate6.0%

For the most accurate and up-to-date information tax rate lookups by zip code, consider using Kintsugi's sales tax automation platform and integrations or consult the Wyoming Department of Revenue's official website.

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Note: The Specific Purpose Sales Tax is a temporary 1% tax effective from April 1, 2025, until $18.3 million is raised or for two years, whichever comes first.

Casper WY Sales Tax Calculator

A retailer in Casper, Wyoming, sells an item priced at $500. Effective April 1, 2025, the total sales tax rate is 6.0%, comprising state, county, and a temporary specific purpose tax. A customer purchasing a $500 item in Casper would pay $30.00 in sales tax, bringing the final total price to $530.00. The retailer's standard refund policy applies.

Tax TypeRateCalculationTax Amount
Wyoming State Tax4.0%$500 × 4.0%$20.00
Natrona County Tax1.0%$500 × 1.0%$5.00
Specific Purpose Sales Tax1.0%$500 × 1.0%$5.00
Total Combined Tax6.0%$30.00
Final Total Price$500 + $30.00$530.00
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To learn more about Wyoming sales tax exemptions, take a look at Kintsugi's easy guide: What Is Exempt from Sales Tax in Wyoming: A Guide for Businesses.

FAQs

What is the sale tax in Casper, WY?

The sales tax rate in Casper, WY, is 6.0%.

How do you get a sales tax permit in Wyoming?

Apply through the Wyoming Department of Revenue by submitting a Sales and Use Tax License Application.

When do I need to complete a sales tax registration in Wyoming?

Register before making taxable sales if you have a physical presence or exceed economic nexus thresholds.

What is the sales tax nexus threshold in Wyoming?

$100,000 in gross sales annually; there is no transaction threshold.

Is Wyoming part of the Streamlined Sales Tax (SST) program?

Yes, Wyoming is a member of the SST program, simplifying tax compliance for sellers.

What is considered "tangible personal property” in Wyoming?

Physical goods like furniture, electronics, clothing, and some digital products. Certain services may also be taxable.

When do I need to file sales tax returns in Wyoming?

Filing frequency (monthly, quarterly, or annually) depends on sales volume and is assigned by the Wyoming Department of Revenue.

Does Casper charge sales tax?

Yes, Casper, WY, charges a 6.0% sales tax.

Casper Sales Tax Filing Steps

View details for sales tax in the state of Wyoming
Who Needs to Collect Sales Tax in Casper?

Sales tax collection in Casper is required for businesses that meet the following criteria:

1. Physical Presence: Businesses with a store, office, warehouse, or employee in Casper.

2. Economic Nexus: Out-of-state businesses exceeding $100,000 in Wyoming.

Not sure if your business meets these criteria? Kintsugi’s Nexus Analysis Tool can help you determine your sales tax obligations.

What Is Taxable in Casper?

In Casper, Wyoming, sales tax applies to:

1. Tangible personal property (e.g., electronics, clothing, furniture).

2. Certain services.

There are also exemptions for items like Grocery Food, Machinery, Raw Materials, Utilities & Fuel, Medical Devices, Newspapers, General Optional Maintenance Contracts, General Pollution Control Equipment, General Trade-Ins, Supplements. Ensure you check with your state’s tax authority or consult Kintsugi for clarity.

How to File Sales Tax in Casper

Here’s a step-by-step guide for filing your sales tax returns:

1. Register Your Business: Get a sales tax permit through the https://excise-tax-div.wyo.gov.

2. Collect Sales Tax: Accurately calculate sales tax on taxable transactions.

3. File and Pay: Submit sales tax returns through https://excise-tax-div.wyo.gov by the [state-specific deadline]—monthly, quarterly, or annually depending on your sales volume.

Kintsugi’s Automated Filing Service streamlines the process, ensuring accuracy and timeliness.

Common Challenges in Sales Tax Compliance

Businesses in Casper often face these issues:

1. Tracking tax rate changes for city, county, and special districts.

2. Managing exemptions and resale certificates.

3. Reconciling returns for accurate filing.

Kintsugi’s AI-Driven Compliance Solution takes the guesswork out of sales tax, handling rate calculations, exemption management, and filing across all jurisdictions.

Why Choose Kintsugi for Sales Tax Compliance?

Kintsugi is more than a software solution—we’re your trusted partner in sales tax compliance. Here’s how we help:

1. Real-Time Rate Calculation across billing, payments, and e-commerce platforms.

2. Nexus Tracking to identify where you need to register and collect tax.

3. Automated Filing to save time and reduce errors.

4. Audit Support to give you peace of mind.

A direct-to-consumer brand, recovered over $200K in overpaid sales tax within their first month of switching to Kintsugi. Your business could be next.

Ready to Simplify Sales Tax Compliance in Casper?

With Kintsugi, managing sales tax is effortless. Whether you're just starting out or scaling across multiple states, we have the tools to help you stay compliant and grow with confidence.

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Find Sales Tax Information for Other Cities in Wyoming

Looking for sales tax rates and compliance details for other cities in Wyoming? Check out our comprehensive table of sales tax information for cities across the state in the table below

CitySales tax rate
Shirley Basin6.00%
Alcova5.00%

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