What is the sales tax rate in Signal Mountain, Tennessee?

The combined sales tax rate in Signal Mountain, Tennessee is 9.800% as of 2026. This includes the Tennessee state rate of 7.000% plus local jurisdiction taxes.

How is the Signal Mountain sales tax calculated?

Multiply your purchase amount by 9.800% (or 0.00980) to get the tax owed. For example, a $100 purchase incurs $9.80 in sales tax.

What is the Tennessee state sales tax rate?

The base Tennessee state sales tax rate is 7.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Signal Mountain have a county sales tax?

Signal Mountain imposes an additional county-level sales tax of 2.800% on top of the state rate.

When was the Signal Mountain sales tax rate last updated?

The Signal Mountain sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Signal Mountain, TN Sales Tax Rate 2026

The combined sales tax rate in Signal Mountain, Tennessee is 9.800%.

Combined Rate 9.800%

State7.000% County2.800%

Signal Mountain Sales Tax Breakdown

Jurisdiction	Rate
Tennessee State Sales Tax	7.000%
County Sales Tax	2.800%
Total Combined Rate	9.800%

Which County Is Signal Mountain In?

Signal Mountain falls within Hamilton, Tennessee. Hamilton imposes a 2.400% county-level sales tax in addition to the Tennessee state base rate.

Signal Mountain ZIP Codes

The following ZIP codes are mapped to Signal Mountain for sales tax purposes. All listed codes apply the 9.800% combined rate.

37377

Nearby Tax Rates

Business Nexus in Tennessee

Economic Nexus Threshold

Selling into Tennessee from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect Tennessee sales tax.

FAQ: Signal Mountain Sales Tax

The combined sales tax rate in Signal Mountain, Tennessee is 9.800% as of 2026.

Multiply your purchase price by 9.800% to find the tax owed. A $500 purchase would include $49.00 in sales tax.

Groceries are generally taxable in Tennessee. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Signal Mountain are subject to the 9.800% combined rate, though some states apply different rules for vehicle sales. Verify with the Tennessee Department of Revenue or DMV.

Register for a sales tax permit through the official Tennessee Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 9.800% rate for Signal Mountain, TN

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 9.800% combined

Official Tax Authority

Tennessee Department of Revenue

Filing Deadline: Monthly returns due the 20th of the following month. File via TNTAP (Tennessee Taxpayer Access Point).

Visit Official Portal (615) 253-0600