Union County property record for 31179 477th Ave, Elk Point, SD 57025
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,802 sqft · built 1925 |
| Lot Size | 19.2 acres (836,788 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,754 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 19.00.18.4010 |
| Primary APN | 19.00.18.4010 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 1,802 sqft Living Area |
| Basement Area | 802 sqft |
| Unfinished Basement | 802 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Exterior Material | Combination |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 836,788 sqft (19.2 acres) |
| Garage Type | Attached |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Cooling System | None |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 31179 477TH AVE |
|---|---|
| City | ELK POINT |
| State | SD |
| Zip | 57025 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BARTEL TR 1 NE1/4 SE1/4 & SE1/4SE1/4 (19.21A) |
| Legal Range | 49W |
| Legal Township | 93N |
| Legal Section | 18 |
| Legal Tract | 1 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | SIOUX VALLEY |
| Census Block Group | 1 |
| Census Block | 1238 |
| Census Tract | 20100 |
31179 477th Ave is owned and occupied by an individual.
Source: Union County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 31179 477TH AVE, SIOUX VALLEY TOWNSHIP, SD 51001-7553 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 31179 477th Ave was $2,754, up % from the year before.
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Union County |
| County Subdivision | Sioux Valley Township |
| Unified School District | Elk Point-Jefferson School District 61-7 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,754.00 (+0.04%) | $244,264 (-) Land $109,494 Building $134,770 |
| 2025 | $2,753.00 (-1.11%) | $244,264 Land $109,494 Building $134,770 |
| 2024 | $2,784.00 (+13.17%) | |
| 2023 | $2,460.00 (+56.59%) | $203,801 Land $78,217 Building $125,584 |
| 2022 | $1,571.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31179 477th Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 3 (2014–2024) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Jun 2024 · Severe Storms, Flooding, Straight-line Winds, And Tornadoes |
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 31179 477th Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 91% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.01% 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.
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