Walworth County property record for 139 Third Ave, Fontana, WI 53125
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,833 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | SOP 00049 |
| Primary APN | SOP 00049 |
|---|
| Lot Area | 9,148 sqft (0.21 acres) |
|---|
| Old Parcel Number | SOP00049 |
|---|---|
| Street Address | 139 THIRD AVE |
| City | FONTANA |
| State | WI |
| Zip | 53125-1140 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 9. EXC 10' STRIP OFF N END FOR HWY PURPOSES ORIGINAL PLAT VILLAGE OF FONTANA ON GENEVA LAKE |
| Legal Subdivision | ORIGINAL PLAT |
| Legal Block | 9 |
| Legal Lot Number | 6 |
| Jurisdiction | WALWORTH WI |
| Township / Civil Division | FONTANA-ON-GENEVA LAKE |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 1607 |
139 Third Ave is owned and occupied by an individual.
Source: Walworth County records, as of February 9, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 139 THIRD AVE, FONTANA, WI 53125-1140 |
| 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 | Jun 8, 2026 |
The 2025 property tax bill for 139 Third Ave was $1,833 with a homeowner's exemption.
Source: Walworth County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Walworth County |
| Municipality | Fontana-on-Geneva Lake Village |
| Elementary School District | Fontana Joint No. 8 School District (PK - 08) |
| Secondary School District | Big Foot Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,833.00 Homeowner's exemption | $224,800 Land $82,300 Building $142,500 | $240,754 Land $88,141 Building $152,613 |
| 2023 | $500.00 (-69.06%) Homeowner's exemption | $136,800 (-) Land $54,800 Building $82,000 | |
| 2022 | $1,616.00 Homeowner's exemption | $136,800 Land $54,800 Building $82,000 | $173,911 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 139 Third Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.
Source: FEMA National Flood Hazard Layer, effective March 2, 2023 · 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 | 6 in force |
| Nearby Flood Claims | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2020 |
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 139 Third 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 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 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 | FONTANA WATER UTILITY serves 1,839 people · EPA ID WI2650128 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2025 |
| Lead | 3 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 6 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 118 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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