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Sullivan County Property Tax Calculator

Locality estimate page for Sullivan County, Tennessee. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.

County/Locality Effective Rate

0.58%

State Effective Rate

0.52%

Sample Annual Tax Difference

$255

Median Home Value (ACS)

$213,300

Median Annual Tax Bill (ACS)

$1,234

Owner-Occupied Households

49,708

The typical owner-occupied home in Sullivan County is valued at $213,300 with a median real estate tax bill of $1,234 per year — an effective rate of 0.58%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.

State Mortgage Context: Tennessee

Most counties in this state follow the standard FHA floor framework.

State Effective Tax Rate

0.52%

FHA 1-Unit Floor

$541,287

FHA 1-Unit Ceiling

$1,249,125

In Sullivan County, Tennessee, the current county-level estimate is 0.58%, or approximately $2,320 annually on a $400,000 home.

How to Use This County Estimate

Step 1

Enter your property value and assessment assumptions.

Step 2

Apply exemptions that may reduce taxable value.

Step 3

Compare county/locality estimate against statewide fallback.

Sullivan County Property Tax Snapshot

Estimated effective rate: 0.58% · vs Tennessee: 0.52% · vs national benchmark: 0.90%

Home valueEstimated annual taxEstimated monthly tax
$250,000$1,450$121
$400,000$2,320$193
$500,000$2,900$242
$750,000$4,350$363
$1,000,000$5,800$483

Compare Nearby Property Taxes

Source Transparency

Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)

View source

Last updated: August 2026

Estimates only. Confirm parcel-specific amounts with the official local taxing authority.

Need Statewide Context?

Visit Tennessee mortgage snapshot or return to the national calculator hub.