Round Rock, Texas Sales Tax 2026 Guide: Rates & Filing Tips

Round Rock Sales Tax Guide 2026 (Texas)

Round Rock, Texas Sales Tax Information

Round Rock is located in Texas with a combined sales tax rate of 8.2%. The breakdown of the sales tax rate includes State Tax at 6.2%, County Tax at 0.5%, and City Tax at 2.0%.

Other cities in Texas with similar sales tax rates are Marble Falls, Martindale, Maxwell, Horseshoe Bay, Ottine, Paige, Pflugerville, and Round Mountain, all with a combined sales tax rate of 8.2%. In contrast, Prairie Lea and Red Rock have a slightly lower combined sales tax rate of 6.8%.

In the neighboring state of Arizona, Tsaile has a sales tax rate of 6.1%.

Round Rock, Texas spans zip codes 78664, 78665, 78680, 78681, 78682, 78683, and 86547, all subject to a combined sales tax rate of 8.2%.

Tax-exempt products in Round Rock include General Physical items.

For more information on sales tax in Round Rock, Texas, please refer to the meta title: "round-rock-texas", specifically curated for this purpose.

Round Rock

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4. Round Rock sales tax guide

Navigating sales tax compliance in Round Rock, Texas can be a challenge for businesses of all sizes. Understanding the local regulations, tax rates, and filing requirements is critical to staying compliant and avoiding penalties. At Kintsugi, we simplify sales tax compliance for businesses, helping you focus on growth without the headache of managing complex tax rules.
In this guide, we'll break down everything you need to know about sales tax in Round Rock for 2026.

What Is the Sales Tax Rate in Round Rock?

The sales tax rate in Round Rock, Texas, as of January 2026, is composed of:

Jurisdiction	Sales tax rate
State Tax	6.25%
County Tax	0.00%
City Tax	2.00%
Special Tax	2.00%
Combined Tax	8.25%

(Note: Sales tax rates are subject to change. Check the website for the latest updates.)

View details for sales tax in the state of Texas

Who Needs to Collect Sales Tax in Round Rock?

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

Physical Presence: Businesses with a store, office, warehouse, or employee in Round Rock.
Economic Nexus: Out-of-state businesses exceeding $250,000 + Special Activities in Texas.

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 Round Rock?

In Round Rock, Texas, sales tax applies to:

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

There are also exemptions for items like Raw Materials, General Occasional Sales, Motor Vehicles Occasional Sales, General Optional Maintenance Contracts. Ensure you check with your state’s tax authority or consult Kintsugi for clarity.

How to File Sales Tax in Round Rock

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

Register Your Business: Get a sales tax permit through the state revenue website.
Collect Sales Tax: Accurately calculate sales tax on taxable transactions.
File and Pay: Submit sales tax returns through the state website 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

Tracking tax rate changes for city, county, and special districts.
Managing exemptions and resale certificates.
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?

Real-Time Rate Calculation across billing, payments, and e-commerce platforms.
Nexus Tracking to identify where you need to register and collect tax.
Automated Filing to save time and reduce errors.
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 Round Rock?

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.

Ready to automate your sales tax?

Find Sales Tax Information for Other Cities in Texas

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