Union County property record for 33288 478th Ave, Jefferson, SD 57038
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1,568 sqft · built 2020 |
| Lot Size | 2.07 acres (90,169 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,583 (2026) |
| Deeds & Mortgages | Jan 2020 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 14.00.73.3015 |
| Primary APN | 14.00.73.3015 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Stories | 1 Story |
| Building Area | 1,568 sqft Living Area |
| Gross Area | 884 sqft |
| Basement Area | 1,768 sqft |
| Interior Walls | Wood |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2020 |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 90,169 sqft (2.07 acres) |
| Porch | Porch |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 33288 478TH AVE |
|---|---|
| City | JEFFERSON |
| State | SD |
| Zip | 57038-6819 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | W300' OF N300' SW1/4 SW1/4 OF GOV'T LOT 4 (2.07A) |
| Legal Range | 49W |
| Legal Township | 90N |
| Legal Section | 33 |
| Legal Lot Number | 4 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | CIVIL BEND |
| Census Block Group | 1 |
| Census Block | 1025 |
| Census Tract | 20302 |
33288 478th Ave is owned and occupied by two individuals.
Source: Union County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 33288 478TH AVE, JEFFERSON, SD 57038-6819 |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | UNION SD |
| Property Address | 33288 478TH AVE, JEFFERSON, SD 57038-6819 |
| Transaction Type | Mortgage |
| Record Updated | Mar 12, 2024 |
| Name | Verified Name |
|---|
| Document Number | 00176/0054 |
|---|---|
| Date | Jan 21, 2020 |
| Book Page | 176/0054 |
| Instrument | 200289 |
| Name | THE BANK OF BAKER |
|---|---|
| Type | Bank |
| Address | BAKER, MT 59313 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 9 Months |
| Due | Oct 8, 2020 |
The 2026 property tax bill for 33288 478th Ave was $2,583.
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Union County |
| County Subdivision | Civil Bend Township |
| Unified School District | Elk Point-Jefferson School District 61-7 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,583.00 | $248,107 (-) Land $50,390 Building $197,717 |
| 2025 | $2,583.00 (-0.84%) | $248,107 Land $50,390 Building $197,717 |
| 2024 | $2,605.00 (+9.82%) | |
| 2023 | $2,372.00 (+0.55%) | $215,763 Land $35,993 Building $179,770 |
| 2022 | $2,359.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 33288 478th Ave in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2014.
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 | 5 in force |
| Nearby Flood Claims | 5 (2014–2024) |
| Claims Outside the SFHA | 2 of 5 |
| 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 33288 478th Ave is moderate, ranking above 63% 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 63% of the US · above 66% 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 RWS/SOUTH UNION private · serves 1,447 people · EPA ID SD4602185 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2024 |
| Lead | 1 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.
Source: FCC Broadband Data Collection, based on 5 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Long Lines Metro Fiber | 1,500 / 1,500 |
| Midco Fixed Wireless | 100 / 20 |
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