Pennington County property record for 512 E Ash St, New Underwood, SD 57761
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 922 sqft · built 1982 |
| Lot Size | 1.08 acres (47,045 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $2,431 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 24-31-230-007 |
| Primary APN | 24-31-230-007 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Half Baths | 1 Half Bath |
| Building Area | 922 sqft Living Area |
| Basement Area | 864 sqft |
| Finished Basement | 864 sqft |
| Unfinished Basement | 150 sqft |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Bi-Level |
| Lot Area | 47,045 sqft (1.08 acres) |
| Porch | Slab |
|---|---|
| Porch Area | 300 sqft |
| Deck Area | 260 sqft |
| Patio Area | 140 sqft |
| Account Number | 5516 |
|---|---|
| Street Address | 512 E ASH ST |
| City | NEW UNDERWOOD |
| State | SD |
| Zip | 57761-2016 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MADSEN ADD, SOUTHERLY 225' OF UNPLATTTED PORTION OF LOT 4 OF OUTLOT A, LYING NORTH OF ASH STREET |
| Legal Subdivision | MADSEN ADD |
| Legal Lot Number | 4A |
| Jurisdiction | PENNINGTON SD |
| Township / Civil Division | NEW UNDERWOOD |
| Census Block Group | 4 |
| Census Block | 4015 |
| Census Tract | 11602 |
Source: Pennington County records, as of September 14, 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 Record |
|---|---|
| Mailing Address | 512 E ASH ST, NEW UNDERWOOD, SD 57761-2016 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $164,700 (-) Land $18,300 Building $146,400 | |
| 2025 | $2,431.00 (+0.08%) | $164,700 (-1.02%) Land $18,300 Building $146,400 |
| 2023 | $2,429.00 (+11.94%) | $166,400 Land $16,600 Building $149,800 |
| 2022 | $2,170.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 A, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 60% of the US · above 60% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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