Pennington County property record for 309 S A Ave, New Underwood, SD 57761
| Property Type | Mobile Home |
|---|---|
| Details | 2,025 sqft · built 2000 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $180,000 (Feb 2022) |
| Tax Bill | $2,133 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 24-31-206-006 |
| Primary APN | 24-31-206-006 |
|---|---|
| Alternative APN |
|
| Building Area | 2,025 sqft Living Area |
|---|
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Mobile/Manufactured |
| Lot Area | 13,939 sqft (0.32 acres) |
| Account Number | 7029 |
|---|---|
| Street Address | 309 S A AVE |
| City | NEW UNDERWOOD |
| State | SD |
| Zip | 57761-2027 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | ORIGINAL TOWN OF NEW UNDERWOOD, BLOCK 10, LOT 3 - 4 |
| Legal Subdivision | ORIGINAL TOWN OF NEW UNDERWOOD |
| Legal Block | 10 |
| Legal Lot Number | 3-4 |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | NEW UNDERWOOD |
| Census Block Group | 4 |
| Census Block | 4033 |
| Census Tract | 11602 |
309 S A Ave, a mobile home, is owned and occupied by two individuals who bought it in February 2022.
Source: Pennington County records, as of September 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 309 S A AVE, NEW UNDERWOOD, SD 57761-2027 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 25, 2022 · Amount on File |
| Deed Sale | Feb 25, 2022 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 309 S A Ave was $2,133.
Source: Pennington County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Pennington County |
| Municipality | New Underwood City |
| Unified School District | New Underwood School District 51-3 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $148,400 (+2.7%) Land $30,400 Building $118,000 | |
| 2025 | $2,133.00 | $144,500 Land $30,400 Building $114,100 |
| 2023 | $2,207.00 (+2.89%) | $151,200 Land $27,600 Building $123,600 |
| 2022 | $2,145.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 309 S A Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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 309 S A Ave is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
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 | NEW UNDERWOOD serves 679 people · EPA ID SD4600224 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2024 |
| Lead | 1 ppb (2023) 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 174 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Golden West Telecommunications Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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