Sully County, South Dakota Property Taxes (2026)

Name: Sully County, South Dakota Property Tax Data
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Sully County homeowners pay a median property tax of $1,697/year on a median home value of $198,700 — an effective rate of 0.85%, which is below the national median of 1.02%. Sully County has a population of approximately 1,481.

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Effective Tax Rate

0.85%

Lower than the South Dakota median of 1.08%

Median Home Value

$198,700

Annual Tax Bill

$1,697

~$141/month

Est. Annual Savings

$255

If reduced by 15%

Free Tax Check

Sully County, South Dakota Property Tax Calculator

Enter your address to instantly see if you're overpaying on property taxes. Our tool compares your assessed value against recent comparable sales in Sully County to estimate your potential savings.

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Average Annual Savings

$255

Estimated savings for Sully County homeowners

Property Tax Rates: Sully County vs. South Dakota vs. National

Sully County0.85%

South Dakota Median1.08%

National Median1.02%

Key stat: The effective property tax rate in Sully County, South Dakota is 0.85%, compared to the South Dakota median of 1.08% and the national median of 1.02%. (Source: U.S. Census Bureau, ACS 5-Year Estimates)

How Sully County Compares Across South Dakota

See where Sully County's tax metrics fall relative to all 65 South Dakota counties.

Tax Rate Distribution

Percentile distribution across all South Dakota counties

10th

1.00%

Lowest 10%

25th

0.95%

Lower quartile

Median

1.08%

Typical county

75th

1.20%

Upper quartile

90th

1.00%

Highest 10%

Home Value Distribution

Percentile distribution across all South Dakota counties

10th

$93,420

Lowest 10%

25th

$125,000

Lower quartile

Median

$156,500

Typical county

75th

$207,700

Upper quartile

90th

$258,480

Highest 10%

Tax Bill Distribution

Percentile distribution across all South Dakota counties

10th

$1,007

Lowest 10%

25th

$1,373

Lower quartile

Median

$1,598

Typical county

75th

$2,264

Upper quartile

90th

$2,745

Highest 10%

Sully County County Director of Equalization Information

Sully County County Director of Equalization

Assessing Authority

Sully County Director of Equalization

Appeal Deadline

Varies by county

South Dakota appeal filing deadline

State

South Dakota

How to appeal

Let TaxDrop handle it for you →

How to Appeal Your Property Taxes in Sully County

If you own property in Sully County, you have the legal right to appeal your assessed value. Here is the step-by-step process:

Review your assessment notice

Check the assessed value from the Sully County Director of Equalization. Compare it to recent sales of similar homes in your area.

File your appeal before the deadline

The South Dakota deadline is Varies by county. Missing this deadline means waiting until the next assessment year.

Gather supporting evidence

Compile recent comparable sales, photos of property condition issues, independent appraisals, or any factors that reduce your home's value.

Present your case

Attend a hearing or submit your evidence to the County Director of Equalization. Present clear data showing your assessed value is too high.

Receive your decision

If successful, your assessed value and tax bill will be reduced. With a median bill of $1,697, even a 10-15% reduction means $170-$255 in annual savings.

Skip the hassle — let TaxDrop handle it

TaxDrop's licensed consultants analyze your property, build your case with comparable sales data, and represent you through the entire appeal process. You pay nothing unless we save you $500 or more.

Start Your Sully County Appeal →Free Tax Rate Calculator

Property Tax Exemptions in South Dakota

South Dakota homeowners may qualify for exemptions that reduce their taxable value. Common exemptions include:

Homestead Exemption

Available to primary residence owners. Reduces the assessed value used to calculate your tax bill.

Senior/Over-65 Exemption

Additional exemption for homeowners age 65+. May include a tax ceiling that freezes your bill.

Disability Exemption

For homeowners with qualifying disabilities. Similar benefits to the over-65 exemption.

Veteran Exemption

Disabled veterans may receive partial or full exemptions depending on disability rating.

Frequently Asked Questions

What is the property tax rate in Sully County, South Dakota?

The median effective property tax rate in Sully County, South Dakota is 0.85%. On a home valued at $198,700, the median annual property tax bill is $1,697. Source: U.S. Census Bureau, ACS 2026.

How much are property taxes in Sully County?

The median annual property tax bill in Sully County is $1,697, which works out to approximately $141/month. This is based on the median home value of $198,700 and an effective tax rate of 0.85%.

How do I appeal my property taxes in Sully County?

To appeal your property taxes in Sully County, South Dakota, you need to file with the Sully County Director of Equalization before the deadline of Varies by county. You'll need evidence that your assessed value exceeds your property's market value, such as recent comparable sales. TaxDrop can handle this entire process for you — you pay nothing unless we save you $500 or more.

Is Sully County a high property tax area?

Sully County's effective tax rate of 0.85% is below the national median of 1.02%. It's below the South Dakota median of 1.08%.

What is the deadline to appeal property taxes in South Dakota?

The deadline to appeal property taxes in South Dakota is Varies by county. It's important to file before this deadline — missing it means waiting until the next assessment cycle. TaxDrop monitors deadlines and files on your behalf to ensure you never miss the window.

Can TaxDrop help lower my Sully County property taxes?

Yes. TaxDrop helps homeowners in Sully County, South Dakota appeal their property tax assessments. We analyze your property, compare it against local comparable sales, and handle the entire appeal process. Our fee is 25% of your savings — and if we don't save you at least $500, you pay nothing.

Nearby Counties

Roberts County

Rate: 1.05%

Tax bill: $1,460

Sanborn County

Rate: 1.26%

Tax bill: $1,750

Spink County

Rate: 1.31%

Tax bill: $1,539

Stanley County

Rate: 1.43%

Tax bill: $2,423

Todd County

Rate: 2.23%

Tax bill: $1,006

Tripp County

Rate: 0.90%

Tax bill: $1,237

Turner County

Rate: 1.04%

Tax bill: $2,072

Union County

Rate: 1.11%

Tax bill: $2,997

← View all 65 South Dakota counties

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