Rio Hondo, Texas sales tax rate: 8%
Last updated Checked monthly
The sales tax rate in Rio Hondo, Texas is 8%. That’s the 6.25% state rate plus 1.75% in local taxes. It’s higher than 66 of the 440 Texas cities we checked, and 11 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Rio Hondo combined rate
8%
- Texas state
- 6.25%
- Rio HondoCity
- 1.5%
- Rio Hondo Municipal Development DistrictSpecial district
- 0.25%
Rio Hondo sales tax calculator
Enter a price and what you’re selling.
- TexasState · 6.25%$6.25
- Rio Hondo City (Cameron County)City · 1.5%$1.50
- Rio Hondo Municipal Development DistrictSpecial district · 0.25%$0.25
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoRio Hondo sales tax rate breakdown
State, city and special district taxes add up to 8%. District lines don’t follow city limits, so some Rio Hondo addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Texas | State | 6.25% |
| Rio Hondo City (Cameron County) | City | 1.5% |
| Rio Hondo Municipal Development District | Special district | 0.25% |
| Combined rate | 8% |
Rate history
- July 20238.25%
- July 20248%
- July 20258%
- July 20268%
- Today8%
Changed since July 2023.
Sales tax near Rio Hondo
Closest cities
- Harlingen8 mi8.25%
- Palm Valley11 mi8.25%
- Bayview13 mi7.25%
- Santa Rosa15 mi8%
- Los Indios16 mi8%
- Brownsville18 mi8.25%
- San Perlita19 mi6.25%
- Mercedes21 mi8.25%
Elsewhere in Cameron County
- Brownsville8.25%
- Harlingen8.25%
- Santa Rosa8%
- Palm Valley8.25%
- Los Indios8%
Charge the right rate in Rio Hondo, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Texas return for you, with a sales tax team you can call.
Rio Hondo sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Rio Hondo, Texas?
The combined sales tax rate in Rio Hondo is 8% as of November 2, 2026. It’s made up of 6.25% Texas state tax, 1.5% Rio Hondo City (Cameron County), 0.25% Rio Hondo Municipal Development District.
Why does Rio Hondo pay Rio Hondo Municipal Development District tax?
A special district such as Rio Hondo Municipal Development District levies its own sales tax on top of the state and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for the centre of Rio Hondo; the calculator prices any exact address.
Is SaaS taxable in Rio Hondo?
Partly. Texas taxes 80% of the price of software as a service, so the effective rate in Rio Hondo is 6.4%.
Do online sellers have to collect sales tax in Rio Hondo?
Yes, if they have nexus in Texas: more than $500,000 in Texas sales in the previous or current calendar year, or a physical presence in the state. They register with the Texas Comptroller of Public Accounts and charge the rate at the buyer’s address.
Sources. Texas Comptroller of Public Accounts · Zamp Sales Tax API, for the centre of Rio Hondo. Rates are checked monthly and are for information, not tax advice.
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