Pennington County property record for 3950 143rd Ave, Rapid City, SD 57701
| Property Type | Vacant Land |
|---|---|
| Details | 3,249 sqft · built 1972 |
| Lot Size | 14 acres (609,840 sqft) |
| Owner | Company Name on File |
| Last Sale | $41,522 (Feb 2022) |
| Tax Bill | $1,547 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-20-100-010 |
| Primary APN | 21-20-100-010 |
|---|---|
| Alternative APN |
|
| Building Area | 3,249 sqft Living Area |
|---|
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Mobile/Manufactured |
| Lot Area | 609,840 sqft (14 acres) |
| Account Number | 15093 |
|---|---|
| Street Address | 3950 143RD AVE |
| City | RAPID CITY |
| State | SD |
| Zip | 57701-9448 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Legal Description | S20, T2N, R08E, BLACK HILLS MERIDIAN, SW1/4 NW1/4 NW1/4; W1/2 SE1/4 NW1/4 NW1/4, LESS LOT 1 |
| Legal Range | 08E |
| Legal Township | 02N |
| Legal Section | 20 |
| Legal Subdivision | BLACK HILLS MERIDIAN |
| Legal Lot Number | 1 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | CENTRAL PENNINGTON |
| Census Block Group | 2 |
| Census Block | 2029 |
| Census Tract | 11400 |
3950 143rd Ave, vacant land, is owned by a company that bought it in February 2022.
Source: Pennington County records, as of September 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 5656 SATURN DR, RAPID CITY, SD 57703-6796 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 24, 2022 · Amount on File |
| Deed Sale | Feb 24, 2022 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3950 143rd Ave was $1,547.
Source: Pennington County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Unified School District | Rapid City School District 51-4 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,547.00 | |
| 2023 | $1,532.00 (+52.59%) | $173,900 Land $96,000 Building $77,900 |
| 2022 | $1,004.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3950 143rd Ave in Zone X, an area of minimal flood risk.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 6 in force |
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.
Wildfire risk around 3950 143rd Ave is high, ranking above 76% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 87% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.3% 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 | COUNTRY ROAD ESTATES private · serves 112 people · EPA ID SD4602204 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2025 |
| 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 47 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable · Fiber in parts of the area | 1,250 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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