Property Tax in Pennington County, South Dakota

Property Tax in Pennington County

A calculator and field guide for Rapid City-area homeowners — and for anyone considering a move to Pennington County — including South Dakota's Owner-Occupied Single-Family Dwelling Classification (SDCL 10-13-39 — ~50% reduction in school general fund mill rate for primary residences), the ~85% equalization ratio applied to full-and-true-value, the $200,000 Disabled Veteran Exemption (SDCL 10-4-40 — RAISED from $150K to $200K effective July 2024; functionally full exemption for most SD homes), the Paraplegic Veteran Full Exemption (SDCL 10-4-24.10 — no value cap), and the Assessment Freeze for Elderly/Disabled (HHI ≤ $56,595 single / $66,885 multi for 2025; home value ≤ $514,500). No state income tax. Sioux Falls has been the regulatory home of major US credit-card issuers since SD eliminated usury laws in 1980.

Pennington County operates under South Dakota's Owner-Occupied Single-Family Dwelling Classification (SDCL 10-13-39) — primary residences receive a reduced school general fund mill rate. Real property is assessed at approximately 85% of full and true value via state equalization. Pennington's consolidated mill levy produces typical effective rates around 1.10%. South Dakota has no state income tax, and the $200,000 disabled veteran exemption (SDCL 10-4-40, raised from $150K effective July 2024) is essentially full exemption for most SD homes.

How the bill is built

South Dakota uses a 4-step process. The County Director of Equalization assesses property at full and true value annually; the SD Department of Revenue applies a county-by-county equalization factor to bring all counties to ~85% of fair market value (some counties higher, some lower). Owner-Occupied Classification reduces the school general fund mill rate by approximately 50% for primary residences. Tax = AV × consolidated mill levy / 1000. Apply the Disabled Veteran Exemption ($200K AV) or Assessment Freeze (for qualifying 65+/disabled) before the rate. Bills issue annually; first half due April 30, second half due October 31.

The Owner-Occupied Classification is the primary structural benefit. SDCL 10-13-39 reduces the school general fund mill rate by approximately 50% for primary residences. Apply with the County Director of Equalization between September 1 and March 15. One-time application — auto-renews unless ownership or occupancy changes. Saves the typical Pennington homeowner ~$300-700/year compared to non-owner-occupied. The classification is also a prerequisite for the Disabled Veteran Exemption and the Assessment Freeze.

SD's $200K Disabled Veteran Exemption is functionally full exemption for most homes. SDCL 10-4-40 (raised from $150K to $200K effective July 2024 — applies to 2025 assessments / 2026 taxes) exempts the first $200,000 of AV for 100% P&T service-connected disabled vets. Surviving spouse: $150K (SDCL 10-4-41). On a typical $250K SD home, only $50K of AV is taxable — about $750/year vs $3,000+ without the exemption. Paraplegic veterans are FULLY exempt with no value cap (SDCL 10-4-24.10). Apply by November 1 with County Director of Equalization.

Pennington County rate breakdown (consolidated mill levy per $1,000 of AV (~85% of full and true value via state equalization; Owner-Occupied Classification reduces school general fund rate), Rapid City district)

Taxing entity	Rate
Rapid City Area Schools 51-4	8.7500
Pennington County (general)	4.5000
City of Rapid City	4.2500
Western Dakota Tech	0.5000
Combined total	18.0000

Data record updated April 27, 2026. This is an editorial update date, not a tax year or a guarantee that every figure has been independently verified.

Sources and scope: Check rates and parcel details with Pennington County Equalization Department. Figures may refer to different source years; a county-seat rate does not apply to every address. How we use data and estimates.

Note: Pennington County is the heart of South Dakota's Black Hills tourism economy and home to Mount Rushmore National Memorial — the second-most-visited US national monument (~3 million visitors annually). Major employers include Ellsworth Air Force Base (~7,000 active-duty + civilian, home of the 28th Bomb Wing flying B-1B Lancers), Rapid City Regional Hospital (Monument Health), the South Dakota School of Mines & Technology, and substantial Black Hills tourism (Mount Rushmore, Crazy Horse Memorial, Custer State Park, Wind Cave National Park, Jewel Cave National Monument).

Note: Pennington's combined mill levy of ~18 mills produces typical effective rates around 1.10% on full market value — slightly below Minnehaha. The substantial federal property at Ellsworth AFB is exempt but generates Payments in Lieu of Taxes (PILT). Black Hills tourism property (lodges, retail, restaurants in Hill City and Keystone) supplements residential taxation.

Note: Pennington homeowners use Owner-Occupied Classification + the $200K Disabled Veteran Exemption (SDCL 10-4-40) — the substantial veteran population around Ellsworth AFB makes the vet exemption widely used. Rapid City is the only SD municipality that allows the Property Tax Reduction for Paraplegics municipal program (separate from the statewide paraplegic full exemption). The Black Hills' fast-appreciating second-home market (especially Hill City and Keystone) means substantial non-homestead property pays without the Owner-Occupied reduction.

Deductions and exemptions for 2026

South Dakota's homeowner relief operates through five layered mechanisms: the Owner-Occupied Single-Family Dwelling Classification (SDCL 10-13-39, reduces school general fund mill rate), the $200K Disabled Veteran Exemption (SDCL 10-4-40, raised from $150K July 2024), the Paraplegic Veteran Full Exemption (SDCL 10-4-24.10, no value cap), the Assessment Freeze for Elderly and Disabled (income-tested), and the Property Tax Reduction for Elderly and Disabled (refundable refund).

Owner-Occupied Single-Family Dwelling Classification (SDCL 10-13-39)

Reduces the school general fund mill rate by approximately 50% for primary residences. Applies to single-family dwellings owned and occupied as primary residence on November 1 of the assessment year. Apply with the County Director of Equalization between September 1 and March 15. One-time application — auto-renews unless ownership or residency changes. Saves typical SD homeowners ~$300-700/year compared to non-owner-occupied. Required prerequisite for the Disabled Veteran Exemption and the Assessment Freeze.

Disabled Veteran Exemption (SDCL 10-4-40)

$200,000 of full and true value exempt for 100% P&T service-connected disabled vets (raised from $150,000 effective July 2024 — applies to 2025 assessments / 2026 taxes). Applies to property classified as owner-occupied. Surviving unremarried spouse: $150,000 (SDCL 10-4-41). The exemption follows the veteran (no application required after first qualification, retains until property transfer or change of use). On a typical $250K SD home, only $50K of AV is taxable — saves ~$2,400/year vs no exemption. Apply with County Director of Equalization by November 1.

Paraplegic Veteran Full Exemption (SDCL 10-4-24.10)

FULL property tax exemption (no value cap) for veterans with paraplegia or loss/loss of use of both lower extremities, owning and occupying a wheelchair-accessible dwelling. Surviving unremarried widow/widower retains. Dwelling must have been owned and occupied for one full calendar year before exemption becomes effective. The injury does NOT need to be service-related. Apply with County Director of Equalization. Among the most valuable single-property exemptions in the United States.

Assessment Freeze for Elderly and Disabled

Freezes assessed value at the level the year owner reached age 65 (or qualified for disability). Income limits (2025 income for 2026 assessment): HHI ≤ $56,595 single member household / $66,885 multi-member household. Home value cap: $514,500 (2026). Must have been a SD resident for 5+ years; must reside in the dwelling 200+ days/year. Annual application required by April 1. The freeze can produce dramatic savings in fast-appreciating markets like Sioux Falls and Rapid City.

Appealing your assessment

Assessment notices are mailed by March 1 of each year. Owners have until the local Board of Equalization (BOE) opens (typically the first Tuesday after the first Monday in March) to file an appeal — most municipalities require written appeals before the BOE meets. Local BOE decisions can be appealed to the County Board of Equalization within 30 days; County BOE decisions to the South Dakota Office of Hearing Examiners; final appeal to South Dakota Circuit Court. Only the County Board of Equalization (not the County Director of Equalization) has authority to hear appeals on property classifications. The Department of Revenue oversees the equalization process to ensure assessments hit the ~85% target statewide.

Cities and towns in Pennington County

This guide lists 6 selected communities in or associated with Pennington County. It is not a complete municipal directory. Local taxing districts can differ between communities and individual addresses.

Data: US Census Bureau, 2020 Decennial Census. Populations rounded. Cities marked as "split" straddle a county border — the portion inside Pennington County is subject to Pennington County's tax rolls, while the portion outside is subject to the adjacent county's.

City or town	Type	Population (2020)
Rapid City County seat	city	76,000
Box Elder	city	11,000
Hill City	city	940
Wall	city	760
New Underwood	city	660
Keystone	city	340

About city-level property tax rates: The rate breakdown and calculator on this page use a representative district around Rapid City. Other cities in Pennington County may pay into different school districts, city rates, and special districts — so their combined rates can differ, sometimes substantially. Always verify the specific rates for your address with the Pennington County Equalization Department before relying on any estimate.

Frequently asked questions

When are South Dakota property taxes due?

Bills are issued annually after assessment certification. Most counties allow split-payment: first half due April 30, second half due October 31. Late payments accrue interest (rate set annually by the SD Department of Revenue, typically ~10% APR). After 3+ years of delinquency, the county can sell a tax certificate at the November tax sale. Most homeowners pay through escrow via mortgage servicer.

How does the Owner-Occupied Classification work?

SDCL 10-13-39 reduces the school general fund mill rate by approximately 50% for primary residences. Apply with the County Director of Equalization between September 1 and March 15 of the assessment year. One-time application — auto-renews unless ownership or residency changes. Saves typical SD homeowners ~$300-700/year. Required prerequisite for the Disabled Veteran Exemption and the Assessment Freeze. Available only for owner-occupied single-family dwellings (not commercial, not investment property).

How does the $200K Disabled Veteran Exemption work?

SDCL 10-4-40 exempts the first $200,000 of full and true value (raised from $150K effective July 2024 — applies to 2025 assessments / 2026 taxes) for veterans rated 100% permanently and totally disabled from a service-connected disability. Surviving unremarried spouses receive $150K (SDCL 10-4-41). On a typical $250K SD home, only $50K is taxable. Apply with County Director of Equalization by November 1; once granted, retains automatically until property transfer or change of use. The increase from $150K to $200K was one of the most significant SD property tax changes in recent decades.

How does the Assessment Freeze for Elderly and Disabled work?

Freezes assessed value at the level the year owner reached age 65 (or qualified for disability). 2025 income limits (for 2026 assessment): HHI ≤ $56,595 single member household / $66,885 multi-member household. Home value cap: $514,500 (2026). Must have been an SD resident for 5+ years; must reside in the dwelling 200+ days during the previous calendar year. Annual application required with the County Treasurer by April 1. The freeze can produce dramatic savings in fast-appreciating markets like Sioux Falls and Rapid City where home values rose 40%+ from 2019-2023.

Why does Sioux Falls have so many credit card companies?

South Dakota's 1980 elimination of usury laws (interest rate caps) attracted Citibank to relocate its credit card division from New York to Sioux Falls in 1981. Wells Fargo, Capital One, and most major US card issuers followed. The substantial credit-card and banking commercial property tax base in Minnehaha County supplements residential taxation, allowing competitive mill rates despite the substantial school district investment. While not a property-tax issue per se, this commercial concentration is a defining feature of the Sioux Falls economy.

About Pennington County

Beyond the property tax — a few things you might not know about the place.

Weird fact

Mount Rushmore was sculpted between 1927 and 1941 by Gutzon Borglum and his son Lincoln Borglum, with most of the work done by drillers using dynamite — about 90% of the rock was removed by carefully-controlled blasts. The 60-foot heads of Washington, Jefferson, Theodore Roosevelt, and Lincoln required ~$1 million in 1930s dollars (~$22 million today) to complete; the project was originally planned to extend to the chests but ended at the heads when funding ran out at the start of WWII.

Hometown hero

Calamity Jane

Martha Jane Canary — frontierswoman, scout, sharpshooter, and friend of Wild Bill Hickok. Spent substantial time in the Black Hills, particularly Deadwood (Lawrence County, immediately northwest of Pennington). Buried at Mount Moriah Cemetery in Deadwood next to Wild Bill. Her exact birth and death years are disputed; she has been a recurring figure in American Western mythology.

Biggest annual event

Mount Rushmore Independence Day Celebration

Annual July 3 evening lighting ceremony at Mount Rushmore — the monument is illuminated and a National Park Service ceremony commemorates the founding fathers. Among the most-photographed Independence Day events in the United States. Combined with summer concerts, the event draws ~30,000+ to Mount Rushmore on July 3-4.

Property Tax in Pennington County