Custer County property record for 25400 Harry Mills Rd, Custer, SD 57730 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 4.25 ba · 6,296 sqft · built 2021 |
| Lot Size | 93.6 acres (4,078,087 sqft) |
| Owner | Company Name on File |
| Tax Bill | $26,418 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 001561 |
| Primary APN | 001561 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 4.25 Baths |
| Half Baths | 6 Half Baths |
| Plumbing Fixtures | 17 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 6,296 sqft Living Area |
| Gross Area | 2,400 sqft |
| 1st Floor Area | 3,696 sqft |
| Basement Area | 1,920 sqft |
| Finished Basement | 1,920 sqft |
| Unfinished Basement | 1,488 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Exterior Material | Composition/Composite |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 4,078,087 sqft (93.6 acres) |
| Garage Type | Attached |
| Garage Area | 6,764 sqft |
| Parking Spaces | 22 Parking Spaces |
| Deck Area | 120 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Street Address | 25400 HARRY MILLS RD |
|---|---|
| City | CUSTER |
| State | SD |
| Zip | 57730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BAL OF HES #219 (LESS LOT 1 SHARKEY SUB=3.46 AC) SEC 11/12/14 T4 R3 93.62 AC 0040301100000100 |
| Legal Range | 03 |
| Legal Township | 04 |
| Legal Section | 11 |
| Legal Subdivision | SHARKEY SUB |
| Legal Lot Number | 1 |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | WEST CUSTER |
| Census Block Group | 4 |
| Census Block | 4031 |
| Census Tract | 965100 |
Source: Custer County records · APN 001561
Assessment roll updated September 3, 2025 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 6020, CUSTER, SD 57730-6020 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Custer County records · Assessment roll updated September 3, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Custer County |
| Unified School District | Custer School District 16-1 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $26,418.00 (+22.61%) | $3,295,510 (+80.07%) Land $38,879 Building $3,256,631 | |
| 2023 | $21,546.00 (+6,091.38%) | $1,830,083 Land $42,270 Building $1,787,813 | |
| 2022 | $303,464 Land $71,765 Building $231,699 | ||
| 2021 | $348.00 |
Source: FEMA National Flood Hazard Layer, Custer County (46033C), updated October 21, 2020 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 460339651004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone A |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | High above 71% of the US · above 80% of South Dakota |
|---|---|
| Wildfire Likelihood | About 1 in 385 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 1 locations within about half a mile of this property, a small sample
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Golden West Telecommunications Cooperative | Fiber | 1,000 / 1,000 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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