O Brien Sales Tax Calculator
The combined sales tax rate in O Brien, Texas is 7.25% in 2026 — a 6.25% Texas state rate plus 1% in local add-ons. That is the 28th lowest rate of the 1210 Texas cities we track, and it runs below Texas's 8.2% average. On a $100 purchase that's $7.25 in tax for a $107.25 total.
$100.00 total
Before tax: $100.00 · Sales tax: $0.00 (0%)
State & average combined rates: Tax Foundation 2026. Local rates vary by city/county — adjust the rate for an exact figure. How we calculate →
How O Brien's 7.25% sales tax rate breaks down
O Brien's combined 7.25% rate is built from: 6.25% Texas state rate + 1% city rate. Texas caps combined local sales tax at 2% on top of the 6.25% state rate, for a statewide ceiling of 8.25% — O Brien's 1% of local add-ons leaves room under that 2% local cap.
The city portion funds O Brien directly, while any remaining local share funds county or special-purpose districts where they apply. Source: Texas Comptroller, city rates data.
O Brien vs the rest of Texas
At 7.25%, O Brien runs below Texas's 8.2% statewide average combined rate by 0.95%. Among the 1210 Texas cities we track by combined rate, O Brien ranks the 28th lowest.
That makes O Brien comparatively light on sales tax for Texas, though it's still well above zero.
Sales tax examples in O Brien
At O Brien's 7.25% combined rate:
$100 → $7.25 tax, $107.25 total · $1,000 → $72.50 tax, $1,072.50 total · $25,000 car purchase → $1,813 tax, $26,813 total.
Working backwards: a $1,070.00 receipt total in O Brien means the pre-tax price was $997.67 and $72.33 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on O Brien's exact rate
The 7.25% rate applies within O Brien's official city limits as published by Texas Comptroller — Sales Tax Rate Locator. Addresses with a O Brien mailing address but outside the incorporated city line — a common situation on the edges of any city — can fall under a different, usually lower, rate.
For an address-exact rate, use the official lookup tool: Texas Comptroller — Sales Tax Rate Locator. This calculator pre-fills the published city-limits rate as a reliable starting point.
O Brien sales tax — frequently asked questions
What is the sales tax rate in O Brien, Texas?
O Brien's combined sales tax rate is 7.25% in 2026 — 6.25% Texas state tax plus 1% in local add-ons. That's the 28th lowest rate of the 1210 Texas cities we track.
How much is sales tax on $100 in O Brien?
At O Brien's 7.25% rate, sales tax on a $100 purchase is $7.25, for a $107.25 total.
How much sales tax will I pay on a $25,000 car in O Brien?
At O Brien's 7.25% combined rate, sales tax on a $25,000 vehicle purchase is about $1,813, for a $26,813 total before any trade-in credit or registration fees.
Is O Brien's sales tax higher or lower than the Texas average?
O Brien runs below Texas's 8.2% statewide average by 0.95%, ranking the 28th lowest of the 1210 Texas cities we track.
How do I calculate sales tax backwards from a total in O Brien?
Divide the total by 1 plus the rate. A $1,070.00 total in O Brien works back to a $997.67 pre-tax price and $72.33 of tax. Use “Remove tax” mode above to do this automatically.
Does O Brien's sales tax rate apply everywhere in the O Brien area?
The 7.25% rate applies within O Brien's official city limits. Nearby addresses outside the incorporated boundary can be taxed at a different rate — check Texas Comptroller — Sales Tax Rate Locator for an address-exact figure.
Compare nearby cities in Texas
See all 1210 Texas cities ranked by combined sales tax rate, or compare:
Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →