Union County property record for 309 Main St, Jefferson, SD 57038
| Property Type | Commercial |
|---|---|
| Details | 4,000 sqft · built 1891 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,289 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 04.01.03.1015 |
| Primary APN | 04.01.03.1015 |
|---|
| Building Area | 4,000 sqft Total Area |
|---|
| Year Built | Built 1891 |
|---|---|
| Effective Year Built | Effective 1891 |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 150 ft deep x 40 ft wide |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Street Address | 309 MAIN ST |
|---|---|
| City | JEFFERSON |
| State | SD |
| Zip | 57038 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | E40' OF LOT 3 BLK 3 ORIG JEFF CITY |
| Legal Block | 3 |
| Legal Lot Number | 3 |
| Legal Unit | 1 |
| Jurisdiction | UNION SD |
| Township / Civil Division | JEFFERSON |
| Census Block Group | 1 |
| Census Block | 1079 |
| Census Tract | 20302 |
Source: Union County records, as of April 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 29 COTTS DR, NORTH SIOUX CITY, SD 57049-3030 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
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 |
|---|---|---|
| 2025 | $2,289.00 (+15.72%) | $119,880 (+2%) Land $15,360 Building $104,520 |
| 2024 | $1,978.00 (-3.23%) | |
| 2023 | $2,044.00 (-3.68%) | $99,900 Land $12,800 Building $87,100 |
| 2022 | $2,122.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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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