Pennington County property record for 13634 Hwy 40, Keystone, SD 57751
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,325 sqft · built 2000 |
| Lot Size | 3.45 acres (150,282 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,100,000 (Mar 2022) |
| Tax Bill | $11,165 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 71-19-126-004 |
| Primary APN | 71-19-126-004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,325 sqft Living Area |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Rustic |
| Construction Type | Log |
| Lot Area | 150,282 sqft (3.45 acres) |
| Garage Type | Attached |
| Garage Area | 1,848 sqft |
| Deck Area | 238 sqft |
| Account Number | 51050 |
|---|---|
| Street Address | 13634 HIGHWAY 40 |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6604 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S19, T2S, R07E, BLACK HILLS MERIDIAN, N1/2 OF THAT PT OF GL 5 LYING E OF HWY 40 THAT EXLUDES THE S440', THE N388.85', & THE |
| Legal Range | 07E |
| Legal Township | 02S |
| Legal Section | 19 |
| Legal Subdivision | BLACK HILLS MERIDIAN |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | MOUNT RUSHMORE |
| Census Block Group | 2 |
| Census Block | 2041 |
| Census Tract | 11005 |
Source: Pennington County records · APN 71-19-126-004
Assessment roll updated August 26, 2025 · Last verified April 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 File |
|---|---|
| Mailing Address | PO BOX 2044, RAPID CITY, SD 57709-2044 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 24, 2022 · Amount on Record |
| Deed Sale | Mar 24, 2022 · Amount on Record |
| Record Updated | Jun 08, 2026 |
Source: Pennington County records · Assessment roll updated August 26, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Unified School District | Custer School District 16-1 (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $11,165.00 (-2.46%) | $893,100 (+3.01%) Land $148,700 Building $744,400 |
| 2023 | $11,446.00 (+9.68%) | $867,000 Land $123,200 Building $743,800 |
| 2022 | $10,436.00 |
Source: FEMA National Flood Hazard Layer, Pennington County (46103C), as of June 11, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 461030110052, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone A high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | High above 77% of the US · above 88% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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) |
|---|---|
| Hanson Communications Fiber | 1,000 / 1,000 |
Based on FCC filings for 17 locations within half a mile of this property.
4G LTE (outdoors only), no 5G reported
Source: EPA Safe Drinking Water Information System, water system SD4602309, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SOUTHERN BLACK HILLS WATER private · serves 947 people |
|---|---|
| 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 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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