Sales Tax in South Tucson, Arizona in 2025

We'll walk you through how the sales tax rate is determined for South Tucson and address some common questions you may have. We'll also cover how to collect, audit, and remit sales tax in South Tucson.

Plus, we’ll share the best solution that will ensure you are always compliant across the entire sales tax lifecycle.

Disclaimer: Our sales tax data is updated on a quarterly basis.

South Tucson Sales Tax Rate 2025

South Tucson is located in Pima County in Arizona, United States, and has a sales tax rate of 11.10%. This includes local and state sales tax rates.

Here is the breakdown of the South Tucson's sales tax:

Tax Jurisdiction	Sales Tax Rate
State Tax	5.60%
County Tax	0.50%
City Tax	5.00%
Combined Rate	11.10%

This rate applies to the following zip codes in South Tucson:

85713

How Does the South Tucson Sales Tax Compare to the Rest of Arizona?

South Tucson’s 11.10% sales tax rate is the highest rate you can find in Arizona. It is 3.75% higher than Arizona’s lowest rate, which is 7.35% and can be found in Camp Verde, among other places.

To give you a better idea, here’s a comparison of South Tucson sales tax rates with a few other cities in Arizona:

City	Sales Tax Rates
Camp Verde	7.35%
Avondale	7.80%
Show Low	8.43%
Star Valley	8.60%
Flagstaff	9.18%
Gila Bend	9.80%
Fredonia	10.90%
South Tucson	11.10%

You can also compare the sales tax rate of South Tucson against the Arizona cities closest in population size:

• Holbrook's sales tax rate is 9.43%
• Clarkdale's sales tax rate is 9.85%

What Creates Sales Tax Nexus in South Tucson?

South Tucson has the sales tax nexus rules as Arizona. 

Read More: Check out this detailed guide on Sales Tax in Arizona.

You have sales tax nexus in South Tucson if you meet one of the following conditions:

• Physical nexus: Businesses that own or lease real or personal property in Arizona, such as offices, inventories, and more.
• Employees: Businesses with independent contractors, employees, or other non-employee representatives who conduct business activities on behalf of the company in the state.
• Economic nexus: Marketplace facilitators and remote sellers who make more than $100,000 in the state.
• Delivery of taxable goods and services: Businesses who deliver merchandise into Arizona on vehicles owned or leased by the taxpayer. 

Learn more about sales tax nexus and when you’re required to collect sales tax.

What Products Are Exempt from South Tucson Sales Tax?

South Tucson doesn't have any special exemptions and follows the same sales tax rules as Arizona.

The items exempt from sales tax in South Tucson are:

• Mining and metallurgical supplies.
• Natural gas or liquefied petroleum gas used to propel a motor vehicle.
• Drugs and medical oxygen, including delivery hose, mask or tent, regulator and tank, if prescribed by a member of the medical, dental, or veterinarian profession.
• Livestock and poultry sold to persons engaging in farming, ranching, or producing livestock or poultry.
• Textbooks, sold by a bookstore or required by any state university or community college.

Who Needs a Sales Permit in South Tucson?

You need a sales permit if you are a retailer located in South Tucson or if you have a sales tax nexus.

You can create an account and register online via the Arizona Department of Revenue website. 

How to Collect Sales Tax in South Tucson

South Tucson uses destination-based sales tax sourcing for businesses located outside the state. This means that if you sell to a customer in South Tucson from another state, you must apply the sales tax rate based on the buyer’s shipping address.

Meanwhile, if your business is located in South Tucson, the sales tax applies origin-based sourcing rules. This means that to sell taxable goods to South Tucson residents from within the state, you must collect the sales tax rate of your business’s address.

Learn more about origin-based and destination-based sales tax sourcing here.

How to File and Pay Sales Tax in South Tucson

You can file South Tucson sales tax returns using the following methods:

• File online: File electronically through the Arizona Department of Revenue.
• File by mail: Mail Form TPT-EZ for businesses in a single location and TPT-2 for businesses in multiple locations to:
  Arizona Department of Revenue
  P.O. Box 29010
  Phoenix, AZ 85038
• Let Zamp handle your Arizona sales tax filing and remittance so you won’t ever have to deal with a sales tax return!