HAPPY Sales Tax Overview
As of 2026, HAPPY, Texas has a combined sales tax rate of 7.75%. This rate includes the Texas state tax of 6.25% plus applicable county and local taxes.
This rate applies to most taxable goods and services purchased within the 79042 zip code area. Some items such as groceries, prescription drugs, and clothing may be exempt depending on Texas state law.
HAPPY Tax Examples
* Based on rate of 7.75%. Verify with your exact zip code.
HAPPY Zip Codes & Tax Rates
| Zip Code | Combined |
|---|---|
| 79042 | 7.75% |
Frequently Asked Questions
What is the sales tax rate in HAPPY, TX?
The sales tax rate in HAPPY, TX is 7.75% as of 2026. This includes the 6.25% Texas state tax plus any county and city taxes.
How many zip codes are in HAPPY, TX?
HAPPY, TX has 1 zip code in our database: 79042.
How much is sales tax on a $100 purchase in HAPPY?
On a $100 purchase in HAPPY, TX you would pay approximately $7.75 in sales tax at the average rate of 7.75%, for a total of $107.75.
Is HAPPY's sales tax rate higher than the Texas average?
Use our calculator to compare HAPPY's rate of 7.75% against other cities in Texas. Visit the Texas state page for the statewide average.