Pennington County property record for 803 1/2 Madill St, Keystone, SD 57751
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 413 sqft · built 2015 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | Individual on Record |
| Tax Bill | $1,288 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 70-04-376-023 |
| Primary APN | 70-04-376-023 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 413 sqft Living Area |
| Basement Area | 2,119 sqft |
| Finished Basement | 2,019 sqft |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Contemporary |
| Lot Area | 5,227 sqft (0.12 acres) |
| Deck Area | 130 sqft |
| Account Number | 58066 |
|---|---|
| Street Address | 803 1/2 MADILL ST |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-2015 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HARNEY ADD, BLOCK 2, LOT 4R |
| Legal Range | 06E |
| Legal Township | 2S |
| Legal Section | 4 |
| Legal Subdivision | HARNEY ADD |
| Legal Block | 2 |
| Legal Lot Number | 4R |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | KEYSTONE |
| Census Block Group | 1 |
| Census Block | 1064 |
| Census Tract | 11005 |
Source: Pennington County assessment roll, as of August 26, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual on Record |
|---|---|
| Mailing Address | 803 1/2 MADILL ST, KEYSTONE, SD 57751-2015 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Pennington County assessment roll, as of August 26, 2025
| 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 |
|---|---|---|
| 2025 | $1,288.00 (+23.85%) | $128,200 (+44.04%) Land $38,000 Building $90,200 |
| 2023 | $1,040.00 (+15.43%) | $89,000 Land $38,000 Building $51,000 |
| 2022 | $901.00 |
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 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 |
|
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 | 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 81 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| TSC DSL | 100 / 20 |
May also be available: AT&T.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures