Custer County property record for 24631 Iron Mountain Rd, Keystone, SD 57751
| Property Type | Commercial |
|---|---|
| Details | 3 ba · 2,760 sqft · built 1969 |
| Lot Size | 23.6 acres (1,031,936 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,011,787 (May 2021) |
| Tax Bill | $15,569 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 014660 |
| Primary APN | 014660 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 4 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,760 sqft Gross Area |
| Gross Area | 2,560 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Mobile Home |
| Lot Area | 1,031,936 sqft (23.6 acres) |
| Deck Area | Deck Area |
| Total Buildings | 16 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 24631 IRON MOUNTAIN RD |
|---|---|
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6655 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | SPOKANE CREEK SUBD - LOT 1 IN S2NW4 SEC 35 T2 R6 23.698 AC (BLS REC # 10480 SITS ON HERE) |
| Legal Range | 06 |
| Legal Township | 02 |
| Legal Section | 35 |
| Legal Subdivision | SPOKANE CREEK SUBDIVISION |
| Legal Lot Number | 1 |
| Jurisdiction | CUSTER SD |
| Township / Civil Division | EAST CUSTER |
| Census Block Group | 1 |
| Census Block | 1049 |
| Census Tract | 965100 |
Source: Custer County records, as of September 8, 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 Record |
|---|---|
| Mailing Address | 24631 IRON MOUNTAIN RD, KEYSTONE, SD 57751-6655 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 27, 2021 · Amount on Record |
| Deed Sale | May 27, 2021 · Amount on Record |
| Prior Sale | Jun 17, 2010 · Amount on Record |
| Record Updated | Oct 29, 2026 |
Source: Custer County assessment roll, as of September 8, 2026
| 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 |
|---|---|---|---|
| 2026 | $1,284,126 (-) Land $262,128 Building $1,021,998 | ||
| 2025 | $15,569.00 (+5.83%) | $1,284,126 (+15.2%) Land $262,128 Building $1,021,998 | |
| 2023 | $14,711.00 (+5.64%) | $1,114,715 Land $262,128 Building $852,587 | |
| 2022 | $883,544 Land $216,712 Building $666,832 | ||
| 2021 | $13,926.00 |
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 77% of the US · above 88% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 13 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TSC Fiber | 1,000 / 1,000 |
4G LTE (outdoors only), no 5G reported
Search by:
By searching, you agree to: Terms • Privacy • Disclosures