Amherst, Texas sales tax rate: 7.5%
Last updated Checked monthly
The sales tax rate in Amherst, Texas is 7.5%. That’s the 6.25% state rate plus 1.25% in local taxes. It’s higher than 30 of the 440 Texas cities we checked.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Amherst combined rate
7.5%
- Texas state
- 6.25%
- AmherstCity
- 1.25%
Amherst sales tax calculator
Enter a price and what you’re selling.
- TexasState · 6.25%$6.25
- Amherst City (Lamb County)City · 1.25%$1.25
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoAmherst sales tax rate breakdown
State and city taxes add up to 7.5%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Texas | State | 6.25% |
| Amherst City (Lamb County) | City | 1.25% |
| Combined rate | 7.5% |
Rate history
- July 20237.5%
- July 20247.5%
- July 20257.5%
- July 20267.5%
- Today7.5%
No change since July 2023.
Sales tax near Amherst
Closest cities
- Springlake16 mi6.25%
- Muleshoe23 mi8.25%
- Morton28 mi8.25%
- Opdyke West30 mi7.25%
- Hart31 mi8.25%
- Hale Center33 mi8.25%
- Dimmitt38 mi8.25%
- Plainview41 mi8.25%
Elsewhere in Lamb County
- Springlake6.25%
Charge the right rate in Amherst, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Texas return for you, with a sales tax team you can call.
Amherst 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 Amherst, Texas?
The combined sales tax rate in Amherst is 7.5% as of November 2, 2026. It’s made up of 6.25% Texas state tax, 1.25% Amherst City (Lamb County).
Does the sales tax rate vary within Amherst?
Amherst has no special-district taxes, so most addresses in the city pay the same 7.5%: Texas’s 6.25% plus 1.25% city tax. This rate was calculated for Amherst’s 79312 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Amherst?
Partly. Texas taxes 80% of the price of software as a service, so the effective rate in Amherst is 6%.
Do online sellers have to collect sales tax in Amherst?
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 Amherst’s 79312 ZIP code. Rates are checked monthly and are for information, not tax advice.
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