Pennington County property record for 24101 Hwy 16a, Keystone, SD 57751
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,456 sqft · built 1964 |
| Lot Size | 12.5 acres (547,549 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $5,612 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 53-31-400-016 |
| Primary APN | 53-31-400-016 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,456 sqft Living Area |
| Basement Area | 1,456 sqft |
| Finished Basement | 1,456 sqft |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Ranch |
| Lot Area | 547,549 sqft (12.5 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Account Number | 47663 |
|---|---|
| Street Address | 24101 HIGHWAY 16A |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6641 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | REX, HOLY SMOKE & MABLE LODES MS 1525, LOT 2R OF VULCAN, REX, HOLY SMOKE, & MABLE LODES MS 1525 |
| Legal Subdivision | BLACK HILLS MERIDIAN |
| Legal Lot Number | 2R |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | MOUNT RUSHMORE |
| Census Block Group | 1 |
| Census Block | 1036 |
| Census Tract | 11005 |
Source: Pennington County records, as of September 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 24101 HIGHWAY 16A, KEYSTONE, SD 57751-6641 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 5, 2015 |
| Transfer Doc | 0000002771 |
| Record Updated | Oct 29, 2026 |
Source: Pennington County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Unified School District | Hill City School District 51-2 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $571,400 (-) Land $278,500 Building $292,900 | |
| 2025 | $5,612.00 (-9%) | $571,400 (+5.91%) Land $278,500 Building $292,900 |
| 2023 | $6,167.00 (+20.1%) | $539,500 Land $263,500 Building $276,000 |
| 2022 | $5,135.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective June 11, 2026 · 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 17 policies |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 3 (1995–2001) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jul 2001 · river or lake flooding |
| Claims by Event |
|
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 | Moderate above 67% of the US · above 76% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 4 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TSC Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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