Pennington County property record for 13599 Hwy 40, Keystone, SD 57751 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 2,026 sqft · built 1951 |
| Lot Size | 11.6 acres (505,296 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,596 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 71-18-351-001 |
| Primary APN | 71-18-351-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,026 sqft Living Area |
| Basement Area | 496 sqft |
| Unfinished Basement | 496 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Bungalow |
| Lot Area | 505,296 sqft (11.6 acres) |
| Porch | Slab |
|---|---|
| Porch Area | 16 sqft |
| Deck Area | 224 sqft |
| Patio Area | 285 sqft |
| Account Number | 16231 |
|---|---|
| Street Address | 13599 HIGHWAY 40 |
| City | KEYSTONE |
| State | SD |
| Zip | 57751-6630 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S18, T2S, R07E, BLACK HILLS MERIDIAN, LOT A OF LOT 4 |
| Legal Range | 07E |
| Legal Township | 02S |
| Legal Section | 18 |
| Legal Subdivision | BLACK HILLS MERIDIAN |
| Legal Lot Number | 4A |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | MOUNT RUSHMORE |
| Census Block Group | 2 |
| Census Block | 2040 |
| Census Tract | 11005 |
Source: Pennington County records · APN 71-18-351-001
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 | Company Name on File |
|---|---|
| Mailing Address | 13599 HIGHWAY 40, KEYSTONE, SD 57751-6630 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $8,596.00 (+1.61%) | $779,500 (+2.1%) Land $267,900 Building $511,600 |
| 2023 | $8,460.00 (+0.57%) | $763,500 Land $245,700 Building $517,800 |
| 2022 | $8,412.00 |
Source: FEMA National Flood Hazard Layer, Pennington County (46103C), updated June 11, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 461030110052, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | High above 76% of the US · above 87% of South Dakota |
|---|---|
| Wildfire Likelihood | About 1 in 220 per year |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 11 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Hanson Communications | Fiber | 1,000 / 1,000 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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