Pennington County property record for 13686 Lost Cave Rd, Keystone, SD 57751 · Last verified April 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2019 |
| Square Footage | 1,486 sqft Living Area |
| Lot Size | 798,890 sqft (18.3 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $140,000 (2019) |
| Tax Bill | $11,152.00 (2025) |
| Primary APN | 71-18-426-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,486 sqft Living Area |
| Basement Area | 1,486 sqft Basement |
| Finished Basement | 1,270 sqft Finished |
| Year Built | Built 2019 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Contemporary Style |
| Construction Type | Log Construction |
| Lot Area | 798,890 sqft (18.3 acres) |
| Garage Type | Attached Garage |
| Garage Area | 784 sqft Garage |
| Deck Area | 196 sqft Deck |
| Patio Area | 126 sqft Patio |
| Porch Area | 347 sqft Porch |
| Account Number | 41427 |
|---|---|
| Street Address | 13686 LOST CAVE RD |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6619 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | BATTLE CREEK MOUNTAIN ESTATES SUBD, LOT 4 LESS LOT H1 (ALSO IN SEC 17-19) |
| Legal Subdivision | BATTLE CREEK MOUNTAIN ESTATES SUBD |
| Legal Lot Number | 4 |
| Jurisdiction | PENNINGTON SD |
| Minor Civil Division | MOUNT RUSHMORE |
| Census Blockgroup | 2 |
| Census Block | 2014 |
| Census Tract | 11005 |
Source: Pennington County records · APN 71-18-426-001
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 13686 LOST CAVE RD, KEYSTONE, SD 57751-6619 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Record Refreshed | 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 | $11,152.00 (+2.31%) | $1,129,300 (+5.97%) Land $376,000 Building $753,300 |
| 2023 | $10,900.00 (+2.54%) | $1,065,700 Land $406,500 Building $659,200 |
| 2022 | $10,630.00 |
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