Custer County property record for 24664 Iron Mountain Rd, Keystone, SD 57751
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,778 sqft · built 2010 |
| Lot Size | 4.39 acres (191,228 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $385,000 (Nov 2020) |
| Tax Bill | $5,257 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 013833 |
| Primary APN | 013833 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 1,778 sqft Living Area |
| 1st Floor Area | 520 sqft |
| Basement Area | 144 sqft |
| Finished Basement | 144 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 191,228 sqft (4.39 acres) |
| Garage Type | Attached |
| Garage Area | 1,288 sqft |
| Parking Spaces | 5 Parking Spaces |
| Porch | Slab |
| Porch Area | 291 sqft |
| Cooling System | None |
|---|---|
| Heating System | Radiant |
| Street Address | 24664 IRON MOUNTAIN RD |
|---|---|
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6655 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | FONCK SUB - LOT 2( FORM LOT 1 OF ELK HAVEN) SEC 35 T2 R6 4.394 AC 132 06 035 000 005 02 |
| Legal Range | 06 |
| Legal Township | 02 |
| Legal Section | 35 |
| Legal Subdivision | FONCK SUBDIVISION |
| Legal Lot Number | 1-2 |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | EAST CUSTER |
| Census Block Group | 1 |
| Census Block | 1045 |
| Census Tract | 965100 |
Source: Custer County assessment roll, as of September 3, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 24664 IRON MOUNTAIN RD, KEYSTONE, SD 57751-6655 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 4, 2020 · Amount on Record |
| Deed Sale | Nov 4, 2020 · Amount on Record |
| Prior Transfer Date | Feb 25, 2015 |
| Prior Transfer Doc | 000051/888 |
| Record Updated | Jun 8, 2026 |
Source: Custer County assessment roll, as of September 3, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Custer County |
| Unified School District | Custer School District 16-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,257.00 (+19.72%) | $539,335 (+24.55%) Land $117,880 Building $421,455 | |
| 2023 | $4,391.00 (-16.27%) | $433,023 Land $117,880 Building $315,143 | |
| 2022 | $368,518 Land $117,880 Building $250,638 | ||
| 2021 | $5,244.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 21, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 25 policies |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 24 (2006–2010) |
| Claims Outside the SFHA | 1 of 24 |
| Most Recent Claim | May 2010 · rainfall accumulation |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 75% of the US · above 85% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SOUTHERN BLACK HILLS WATER private · serves 947 people · EPA ID SD4602309 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 3 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Hanson Communications Fiber | 1,000 / 1,000 |
5G and 4G LTE (outdoors only)
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