Pennington County property record for 424 Hwy 16a, Keystone, SD 57751
| Property Type | Convenience Store |
|---|---|
| Details | 2,800 sqft · built 1982 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,835 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 70-08-402-006 |
| Primary APN | 70-08-402-006 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,800 sqft Total Area |
| Year Built | Built 1982 |
|---|---|
| Lot Area | 21,780 sqft (0.5 acres) |
| Account Number | 63152 |
|---|---|
| Street Address | 424 HIGHWAY 16A |
| City | KEYSTONE |
| State | SD |
| Zip | 57751 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Convenience Store |
| Legal Description | HARNEY ADD, KEYSTONE CONVENIENCE TRACT |
| Legal Subdivision | HARNEY ADD |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | KEYSTONE |
| Census Block Group | 1 |
| Census Block | 1064 |
| Census Tract | 11005 |
Source: Pennington County assessment roll, as of November 1, 2023
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 | 44130 279TH ST, FREEMAN, SD 57029-5800 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 7, 2026 |
Source: Pennington County assessment roll, as of November 1, 2023
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Municipality | Keystone Town |
| Unified School District | Hill City School District 51-2 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2023 | $7,835.00 (-8.43%) | $543,400 Land $217,800 Building $325,600 |
| 2022 | $8,556.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | KEYSTONE serves 349 people · EPA ID SD4601082 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2024 |
| 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 9 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
| Hanson Communications DSL · Fiber in parts of the area | 50 / 5 |
May also be available: T-Mobile USA, Verizon.
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