Union County property record for 31704 478th Ave, Elk Point, SD 57025
| Property Type | General Agricultural/Rural |
|---|---|
| Details | 2 bd · 1,008 sqft · built 1910 |
| Lot Size | 80 acres (3,484,800 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,501 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22.00.16.2000 |
| Primary APN | 22.00.16.2000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Stories | 1 Story |
| Building Area | 1,008 sqft Living Area |
| Interior Walls | Wood |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 3,484,800 sqft (80 acres) |
| Lot Dimensions | 40 ft deep x 24 ft wide |
| Garage Area | 960 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 31704 478TH AVE |
|---|---|
| City | ELK POINT |
| State | SD |
| Zip | 57025-6625 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > General Agricultural/Rural |
| Legal Description | W1/2NW1/4 |
| Legal Range | 49W |
| Legal Township | 92N |
| Legal Section | 16 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | RICHLAND |
| Census Block Group | 1 |
| Census Block | 1050 |
| Census Tract | 20200 |
31704 478th Ave, an agricultural property, is owned by a company.
Source: Union County records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 208 E LINCOLN ST, ELK POINT, SD 57025-2138 |
| Owner Type | Company |
| Vesting | Partnership |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 31704 478th Ave was $2,501.
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Union County |
| Unified School District | Elk Point-Jefferson School District 61-7 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,501.00 | $262,297 (-0.09%) Land $211,637 Building $50,660 |
| 2025 | $2,501.00 (+3.35%) | $262,530 Land $211,870 Building $50,660 |
| 2024 | $2,420.00 (+2.46%) | |
| 2023 | $2,362.00 | $238,154 Land $187,494 Building $50,660 |
| 2022 | $2,362.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31704 478th Ave in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 2011.
Source: FEMA National Flood Hazard Layer, effective May 31, 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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 12 (2011–2024) |
| Claims Outside the SFHA | 2 of 12 |
| Most Recent Claim | Jun 2024 · Severe Storms, Straight-line Winds, And Flooding |
| Claims by Event |
|
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 31704 478th Ave is moderate, ranking above 62% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · above 63% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.1% 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 | CLAY RURAL WATER SYSTEM private · serves 4,780 people · EPA ID SD4600626 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2025 |
| Lead | 1 ppb (2024) 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, as of December 31, 2025
5G and 4G LTE (outdoors only)
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