Union County property record for 307 Main St, Jefferson, SD 57038
| Property Type | Commercial |
|---|---|
| Details | 2,400 sqft · built 1957 |
| Lot Size | 0.148 acres (6,450 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $31,000 (Aug 2022) |
| Tax Bill | $701 (2026) |
| Deeds & Mortgages | Aug 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 04.01.03.1010 |
| Primary APN | 04.01.03.1010 |
|---|
| Building Area | 2,400 sqft Total Area |
|---|
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Composition Shingle |
| Lot Area | 6,450 sqft (0.148 acres) |
| Lot Dimensions | 150 ft deep x 43 ft wide |
| Cooling System | None |
|---|---|
| Heating System | Space Heater |
| Street Address | 307 MAIN ST |
|---|---|
| City | JEFFERSON |
| State | SD |
| Zip | 57038 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | BERNARD TR 2 OF W1/2 LOT 1 & ALL LOT 2 BLK 3 ORIG JEFF CITY |
| Legal Tract | 2 |
| Legal Block | 3 |
| Legal Lot Number | 1-2 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | JEFFERSON |
| Census Block Group | 1 |
| Census Block | 1079 |
| Census Tract | 20302 |
307 Main St, a commercial property, is owned by two individuals who bought it in August 2022.
Source: Union County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 3184, SIOUX CITY, IA 51102-3184 |
| Owner Type | Individual |
| Vesting | Company |
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 | Aug 16, 2022 · Amount on File |
| Deed Sale | Aug 16, 2022 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | UNION SD |
| Recording Date | Aug 17, 2022 |
| Property Address | 307 MAIN ST, JEFFERSON, SD 57038 |
| Document Number | 000112/533 |
| Book / Page | 112 / 533 |
| Instrument Date | Aug 16, 2022 |
| Instrument | 222324 |
| Transaction Type | Transfer |
| Record Updated | Jan 16, 2026 |
| Amount | Amount on Record |
|---|---|
| Tax | $31.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 3184, SIOUX CITY, IA 51102-3184 |
The 2026 property tax bill for 307 Main St was $701.
Source: Union County assessment roll, as of October 6, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Union County |
| Municipality | Jefferson City |
| Unified School District | Elk Point-Jefferson School District 61-7 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $701.00 | $36,713 (-) Land $16,996 Building $19,717 |
| 2025 | $701.00 (+8.68%) | $36,713 Land $16,996 Building $19,717 |
| 2024 | $645.00 (+3.04%) | |
| 2023 | $626.00 (-3.69%) | $30,594 Land $14,163 Building $16,431 |
| 2022 | $650.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 307 Main St 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 307 Main St is low, with less than 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 99.8% of the US · lower than 99.5% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | JEFFERSON serves 475 people · EPA ID SD4600060 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| 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 175 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Long Lines Metro Cable · Fiber in parts of the area | 1,500 / 50 |
| Midco Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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