100 Birch Walnut Dr, Williams Bay, WI 53191 Property Records

Walworth County property record for 100 Birch Walnut Dr, Williams Bay, WI 53191

Property Summary

Property Type	Single Family Home
Lot Size	0.539 acres (23,522 sqft)
Owner	Individual Name on Record
Last Sale	$3,980,000 (Sep 2020)
Tax Bill	$57,728 (2025)
Deeds & Mortgages	Sep 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`WCP1 00030`

Property Details

APN / Parcel Number

Primary APN	`WCP1 00030`

Exterior

Lot Area	23,522 sqft (0.539 acres)

Location & Zoning

Old Parcel Number	WCP100030
Street Address	100 BIRCH WALNUT DR
City	WILLIAMS BAY
State	WI
Zip	53191-9810
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 29 & N 1/2 LOT 30 CEDAR POINT PARK 1ST ADD. VILLAGE OF WILLIAMS BAY
Legal Subdivision	CEDAR POINT PARK 1ST ADD
Legal Lot Number	29
Jurisdiction	WALWORTH WI
Township / Civil Division	WILLIAMS BAY
Census Block Group	2
Census Block	2030
Census Tract	1606

Owner

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	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	100 BIRCH WALNUT DR, WILLIAMS BAY, WI 53191-9810
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 30, 2020 · Amount on Record
Deed Sale	Sep 30, 2020 · Amount on Record
Prior Sale	Feb 8, 2010
Deed Document Number	1019443
Record Updated	Jun 8, 2026

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WALWORTH WI
Recording Date	Sep 30, 2020
Property Address	100 BIRCH WALNUT DR, WILLIAMS BAY, WI 53191-9810
Document Number	0001019443
Instrument Date	Sep 30, 2020
Instrument	1019443
Transaction Type	Transfer
Record Updated	Apr 28, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,940.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001019444
Date	Sep 30, 2020
Instrument	1019444

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Annually

Tax Assessment & Valuation

Source: Walworth County assessment roll, as of January 1, 2025

Property Jurisdictions

Type	Name
State	Wisconsin
County	Walworth County
Municipality	Williams Bay Village
Unified School District	Williams Bay School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$57,728.00 (+14.46%) Homeowner's exemption	$6,705,400 (+58.81%) Land $4,317,500 Building $2,387,900	$6,617,231 (+57.86%) Land $4,260,729 Building $2,356,502
2023	$50,437.00 (-8.36%) Homeowner's exemption	$4,222,300 (-) Land $2,363,500 Building $1,858,800
2022	$55,038.00 Homeowner's exemption	$4,222,300 Land $2,363,500 Building $1,858,800	$4,191,780

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

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.

Wildfire

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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