Custer County, South Dakota Property Taxes
Property Taxes in Custer County, South Dakota
Median Custer County effective property tax rate: 1.17%, significantly higher than the national median of 1.02%.
Median Custer County home value: $202,510
Median annual Custer County tax bill: $2,667, $267 higher than the national median property tax bill of $2,400.
How are property taxes in Custer County calculated?
Property taxes in Custer County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Why does the assessed value matter for Custer County homeowners? Because the assessed value is the number used to calculate the tax bill, and even a small reduction can affect what you owe.
What can lower a property tax bill in Custer County? Exemptions and reduction opportunities can help reduce the amount taxed, especially for eligible homeowners.
Whether you live in Custer County or another part of the county, understanding local tax details can help you find savings and better manage your property taxes.
Last Updated April 13, 2026
Custer County, South Dakota Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.17%
Estimate Property Tax Bill
$2,369
$2,199
How Does the Custer County Property Tax Calculator Work?
Use this Custer County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Custer County's median effective tax rate of 1.17% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Custer County's median property tax rate is higher than the national median rate of 1.02%, and the median property tax bill is $2,667, which is $267 higher than the state median bill.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Custer County.
Property Tax Rates Across Custer County, South Dakota
What Are Effective Property Tax Rates Across Custer County?
Local government entities set tax rates, which vary widely across Custer County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Custer County's effective property tax rate to other counties in South Dakota or the U.S. median of 1.02%.
Custer County's median effective rate stands at 1.17%, which is higher than the national median of 1.02%. Within Custer County, the highest rate is found in BUFFALO GAP at 1.31%, while NEWCASTLE has the lowest at 0.81%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Custer County Tax Rate
1.17%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective South Dakota Tax Rate
1.47%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Custer County, South Dakota
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Buffalo Gap | 0.53% | 0.81% | 1.31% | 1.61% | 1.87% |
| Custer | 0.75% | 1.08% | 1.21% | 1.54% | 1.72% |
| Edgemont | 0.41% | 0.52% | 0.81% | 1.11% | 1.38% |
| Fairburn | 0.59% | 0.77% | 1.03% | 1.25% | 1.50% |
| Hermosa | 0.68% | 1.00% | 1.12% | 1.33% | 1.57% |
| Hot Springs | 0.73% | 1.08% | 1.21% | 1.49% | 1.78% |
| Keystone | 1.15% | 1.18% | 1.20% | 1.35% | 1.59% |
| Newcastle | 0.74% | 0.78% | 0.81% | 0.91% | 0.98% |
| Pringle | 0.61% | 1.08% | 1.27% | 1.53% | 1.85% |
| Crazy Horse | N/A | N/A | N/A | N/A | N/A |
| Dewey | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Custer County, South Dakota
When examining property taxes in Custer County, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Custer County assessor estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Custer County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of February.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Custer County.
For example, the median tax bill in Custer County is $2,667, with tax bills ranging significantly across the county. Keystone has the highest median home price at $465,694.
Property Tax Assessment Values Across Custer County, South Dakota
Source: Ownwell
$26,778
$246,236
$465,694
Median Custer County Market Value
$202,510
Median United States Market Value
$235,294
Property Tax Assessment Values Across Custer County, South Dakota
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Buffalo Gap | $8,881 | $21,530 | $65,750 | $135,712 | $288,664 |
| Custer | $30,937 | $106,268 | $210,468 | $346,134 | $494,848 |
| Edgemont | $36,334 | $68,473 | $139,948 | $222,731 | $285,654 |
| Fairburn | $15,018 | $43,768 | $103,177 | $213,294 | $385,420 |
| Hermosa | $36,596 | $118,874 | $262,225 | $425,662 | $562,202 |
| Hot Springs | $38,205 | $101,360 | $230,384 | $338,343 | $436,636 |
| Keystone | $260,830 | $342,597 | $465,694 | $608,413 | $776,571 |
| Newcastle | $203,780 | $228,573 | $275,270 | $374,444 | $518,191 |
| Pringle | $1,464 | $5,270 | $26,778 | $106,548 | $161,885 |
| Crazy Horse | N/A | N/A | N/A | N/A | N/A |
| Dewey | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Custer County, South Dakota
Property tax bills in Custer County are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the county’s tax rate to that assessed value, and the final bill reflects the mix of county, school, and other local levies. Homeowners with higher assessed values generally pay more, while lower-assessed properties pay less.
With a median home price of $202,510, tax bills can vary widely across the county. The 25th percentile tax bill is $897, while the 75th percentile reaches $4,299. At the high end, the 90th percentile tax bill is $5,970. That spread shows how differences in assessed value and local tax rates can significantly affect what homeowners owe.
These taxes matter because they directly influence monthly housing costs and long-term affordability. In places like Keystone, where the median tax bill is $6,154, homeowners face much higher carrying costs than in Pringle, where the median tax bill is $437.
Median Custer County Tax Bill
$2,667
Median South Dakota Tax Bill
$2,904
Median United States Tax Bill
$2,400
Property Tax Bills Across Custer County, South Dakota
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Buffalo Gap | $96 | $276 | $752 | $1,222 | $3,539 |
| Custer | $558 | $1,000 | $2,935 | $4,454 | $6,086 |
| Edgemont | $428 | $661 | $870 | $1,544 | $2,543 |
| Fairburn | $283 | $489 | $938 | $2,543 | $4,112 |
| Hermosa | $602 | $1,152 | $3,021 | $4,816 | $6,408 |
| Hot Springs | $557 | $981 | $3,039 | $4,413 | $5,487 |
| Keystone | $3,658 | $4,118 | $6,154 | $7,492 | $10,460 |
| Newcastle | $1,526 | $1,808 | $2,339 | $3,236 | $5,233 |
| Pringle | $19 | $51 | $437 | $900 | $2,182 |
| Crazy Horse | N/A | N/A | N/A | N/A | N/A |
| Dewey | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 12 |
Links | |
|---|---|
| Custer Tax Assessor | |
| Website | beacon.schneidercorp.com |