Sauk County property record for 306 E Jefferson St, Spring Green, WI 53588
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,023 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 182 0166-00000 |
| Primary APN | 182 0166-00000 |
|---|
| Lot Area | 9,148 sqft (0.21 acres) |
|---|
| Street Address | 306 E JEFFERSON ST |
|---|---|
| City | SPRING GREEN |
| State | WI |
| Zip | 53588-9701 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | VILL SP. GREEN ORIG PLAT W 60' LOTS 1, 2 & 3 BLK 21 |
| Legal Range | 04E |
| Legal Township | 08N |
| Legal Section | 07 |
| Legal Subdivision | VILLAGE OF SPRING GREEN |
| Legal Block | 21 |
| Legal Lot Number | 1-3 |
| Jurisdiction | SAUK WI |
| Township / Civil Division | SPRING GREEN |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 800 |
Source: Sauk County assessment roll, as of February 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 624, SPRING GREEN, WI 53588-0624 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 24, 2024 |
| Transfer Doc | 0001268575 |
| Record Updated | Jun 8, 2026 |
Source: Sauk County assessment roll, as of February 18, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Sauk County |
| Municipality | Spring Green Village |
| Unified School District | River Valley School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,023.00 (+10.33%) | $181,800 (+70.54%) Land $38,300 Building $143,500 | $196,050 (+18.5%) Land $41,302 Building $154,748 |
| 2023 | $2,740.00 | $106,600 Land $30,400 Building $76,200 | $165,440 Land $47,180 Building $118,260 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective January 30, 2020 · 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 | 2 in force |
| Nearby Flood Claims | 1 (1993) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 1993 · Severe Storms, Tornadoes & Flooding |
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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SPRING GREEN WATERWORKS serves 1,626 people · EPA ID WI1570109 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2025 |
| Lead | 4 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 153 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
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