Walworth County property record for 128 Birch Walnut Dr, Williams Bay, WI 53191
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.401 acres (17,511 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $31,123 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WCP1 00034 |
| Primary APN | WCP1 00034 |
|---|
| Lot Area | 17,511 sqft (0.401 acres) |
|---|
| Old Parcel Number | WCP100034 |
|---|---|
| Street Address | 128 BIRCH WALNUT DR |
| City | WILLIAMS BAY |
| State | WI |
| Zip | 53191-9795 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 36 CEDAR POINT PARK 1ST ADD. VILLAGE OF WILLIAMS BAY |
| Legal Subdivision | CEDAR POINT PARK 1ST ADD. |
| Legal Lot Number | 36 |
| Jurisdiction | WALWORTH WI |
| Township / Civil Division | WILLIAMS BAY |
| Census Block Group | 2 |
| Census Block | 2030 |
| Census Tract | 1606 |
Source: Walworth County records, as of February 9, 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 | 417 BARK DR, REDWOOD CITY, CA 94065-1101 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Walworth County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Walworth County |
| Municipality | Williams Bay Village |
| Unified School District | Williams Bay School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $31,123.00 (+37.54%) | $3,609,800 (+90.98%) Land $3,327,500 Building $282,300 | $3,562,335 (+89.85%) Land $3,283,747 Building $278,588 |
| 2023 | $22,629.00 (-8.36%) | $1,890,100 (-) Land $1,746,500 Building $143,600 | |
| 2022 | $24,694.00 | $1,890,100 Land $1,746,500 Building $143,600 | $1,876,440 |
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 March 2, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
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 94% of the US · lower than 85% of Wisconsin |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | WILLIAMS BAY WATERWORKS serves 2,601 people · EPA ID WI2650060 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 45 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead public education Jul 2025 |
| Monitoring and Reporting | 10 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 128 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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