Mount Calm, Texas sales tax rate: 8.25%
Last updated Checked monthly
The sales tax rate in Mount Calm, Texas is 8.25%. That’s the 6.25% state rate plus 2% in local taxes. It’s the highest combined rate Texas allows, and 361 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Mount Calm combined rate
8.25%
- Texas state
- 6.25%
- Hill CountyCounty
- 0.5%
- Mount CalmCity
- 1%
- Hill County Emergency Services District 2Special district
- 0.5%
Mount Calm sales tax calculator
Enter a price and what you’re selling.
- TexasState · 6.25%$6.25
- Hill CountyCounty · 0.5%$0.50
- Mount Calm City (Hill County)City · 1%$1.00
- Hill County Emergency Services District 2Special district · 0.5%$0.50
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoMount Calm sales tax rate breakdown
State, county, city and special district taxes add up to 8.25%. District lines don’t follow city limits, so some Mount Calm addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Texas | State | 6.25% |
| Hill County | County | 0.5% |
| Mount Calm City (Hill County) | City | 1% |
| Hill County Emergency Services District 2 | Special district | 0.5% |
| Combined rate | 8.25% |
Rate history
- July 20238.25%
- July 20248.25%
- July 20258.25%
- July 20268.25%
- Today8.25%
No change since July 2023.
Charge the right rate in Mount Calm, 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.
Mount Calm 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 Mount Calm, Texas?
The combined sales tax rate in Mount Calm is 8.25% as of November 2, 2026. It’s made up of 6.25% Texas state tax, 0.5% Hill County, 1% Mount Calm City (Hill County), 0.5% Hill County Emergency Services District 2.
Why does Mount Calm pay Hill County Emergency Services District 2 tax?
A special district such as Hill County Emergency Services District 2 levies its own sales tax on top of the state, county 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 Mount Calm; the calculator prices any exact address.
Is SaaS taxable in Mount Calm?
Partly. Texas taxes 80% of the price of software as a service, so the effective rate in Mount Calm is 6.6%.
Do online sellers have to collect sales tax in Mount Calm?
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 Mount Calm. Rates are checked monthly and are for information, not tax advice.
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