Sales tax in McMullen County, Texas
The sales tax rate in McMullen County, Texas is 6.25%. That is a 6.25% state rate, with no county rate on top: McMullen County levies none, and it is the same at every address in the county. That rate was read from Texas's own published schedule and checked on October 19, 2026.
What is the sales tax rate in McMullen County?
| Texas state rate | 6.25% |
|---|---|
| Combined rate | 6.25% |
What is the sales tax rate in each city in McMullen County?
Texas publishes the rate for every place it taxes. These are the combined rates, state and local together, as listed in Texas's own rate file.
| City | October 1 to December 31, 2026 |
|---|---|
| Unincorporated McMullen CountyMcMullen County has no county sales tax and no special purpose district, so the rate everywhere in the county is the 6.25% state rate. | 6.25% |
Source: Texas rate file for October 1 to December 31, 2026, from Texas's official rate page.
How much sales tax is that on a purchase in McMullen County?
At 6.25%, a $100 purchase carries $6.25 in sales tax and a $1,000 purchase $62.50. That is general merchandise; Texas taxes some categories, often groceries, differently, as the note below explains.
McMullen County's rate is the lowest in Texas, shared with 113 other counties. See every Texas county.
Sales tax in counties next to McMullen County
McMullen County borders 5 counties.
| County | Combined sales tax |
|---|---|
| Atascosa County, TX | 6.75% to 8.25% |
| Live Oak County, TX | 6.75% to 8.25% |
| Webb County, TX | 6.75% to 8.25% |
| Duval County, TX | 6.25% to 8.25% |
| La Salle County, TX | 6.25% to 8.25% |
| McMullen County, TX (this county) | 6.25% |
Why the rate here is not the whole story
The 6.25 percent state rate is the whole tax here. The Comptroller lists no city, transit authority or special purpose district sales tax anywhere in McMullen County, and the county levies none of its own, so nothing is added on top. Texas caps the combined local share at 2 percent, which is why no address in the state is above 8.25 percent.
How do I find the exact rate for an address in McMullen County?
Use Texas's own address lookup.
Who has to collect sales tax in McMullen County?
Any seller with a physical presence in Texas collects at the rate for the address of the sale; a remote seller does once it passes Texas's economic nexus threshold. Texas sales tax covers the statewide rules and what is exempt.
Work out your own numbers
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Sales tax calculator
Tax on a specific purchase at this county's rate, and the total you will actually pay.
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Do you have to collect?
Whether your sales into Texas cross its economic nexus threshold. A different question from the rate.
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Property tax in McMullen County
The other local tax: effective rate and median bill for this county.
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Sales tax by county
Every US county, and how Texas compares with the rest of the country.
Sources
- McMullen County rates: Texas Comptroller of Public Accounts, City Sales and Use Tax rate file (city-rates.xlsx, edition effective 2026-10-01), with the County Sales and Use Tax and Special Purpose District Sales and Use Tax lists, comptroller.texas.gov/taxes/sales/
- Collected and verified October 19, 2026. Confidence: S on the rate components, S on the range (P read on a primary agency page, S strong but indirect, U unverified).