Pennington County property record for 617 Madill St, Keystone, SD 57751
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,410 sqft · built 1890 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $281,500 (Jun 2024) |
| Tax Bill | $1,697 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 70-04-352-004 |
| Primary APN | 70-04-352-004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,410 sqft Living Area |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1890 |
| Architectural Style | Ranch |
| Lot Area | 7,405 sqft (0.17 acres) |
| Deck Area | 189 sqft |
| Account Number | 2841 |
|---|---|
| Street Address | 617 MADILL ST |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-2005 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HARNEY ADD, BLOCK 4, LOT 6 - 7 |
| Legal Subdivision | HARNEY ADD |
| Legal Block | 4 |
| Legal Lot Number | 6-7 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | KEYSTONE |
| Census Block Group | 1 |
| Census Block | 1064 |
| Census Tract | 11005 |
Source: Pennington County records · APN 70-04-352-004
Assessment roll updated August 26, 2025 · Last verified May 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 File |
|---|---|
| Mailing Address | 24020 HARDESTY RD, RAPID CITY, SD 57702-6544 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 25, 2024 · Amount on Record |
| Deed Sale | Jun 25, 2024 · Amount on Record |
| Deed Document Number | 2024 |
| Record Updated | Jun 08, 2026 |
Source: Pennington County records · Assessment roll updated August 26, 2025 · Last verified May 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Municipality | Keystone Town |
| Unified School District | Hill City School District 51-2 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,697.00 (-7.97%) | $168,900 (+7.03%) Land $39,600 Building $129,300 |
| 2023 | $1,844.00 (+11.08%) | $157,800 Land $39,600 Building $118,200 |
| 2022 | $1,660.00 |
Source: FEMA National Flood Hazard Layer, Pennington County (46103C), as of June 11, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 461030110051, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 |
|
| Wildfire Risk | Moderate above 69% of the US · above 78% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| Hanson Communications DSL | 100 / 20 |
May also be available: AT&T.
Based on FCC filings for 81 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system SD4601082, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | KEYSTONE serves 349 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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