643 E Washington St, Oconomowoc, WI 53066 Property Records

Waukesha County property record for 643 E Washington St, Oconomowoc, WI 53066

Property Summary

Property Type	Single Family Home
Details	2 bd · 3 ba · 2,000 sqft
Lot Size	0.24 acres (10,454 sqft)
Owner	Individual Name on File
Last Sale	$216,000 (Feb 2009)
Tax Bill	$4,564 (2025)
Deeds & Mortgages	May 2023 Mortgage Jul 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`OCOC-0561-610`

Property Details

APN / Parcel Number

Primary APN	`OCOC-0561-610`

Exterior

Lot Area	10,454 sqft (0.24 acres)

Location & Zoning

Street Address	643 E WASHINGTON ST
City	OCONOMOWOC
State	WI
Zip	53066-3107
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 25-28 BLK D OCONOMOWOC HEIGHTS PLAT PT W1/2 NE1/4 SEC 33 T8N R17E
Legal Range	17E
Legal Township	8N
Legal Section	33
Legal Subdivision	OCONOMOWOC HEIGHTS
Legal Block	D
Legal Lot Number	25-28
Jurisdiction	WAUKESHA WI
Township / Civil Division	OCONOMOWOC
Census Block Group	3
Census Block	3035
Census Tract	204301

Owner

643 E Washington St is owned and occupied by an individual who acquired it in April 2023.

Source: Waukesha County records, as of June 23, 2026

Owner of Record	Individual Name on File
Mailing Address	643 E WASHINGTON ST, OCONOMOWOC, WI 53066-3107
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
May 3, 2023	Quit Claim Deed, Transfer · Conventional Mortgage LANDMARK CU
Jul 27, 2022	Deed of Trust, Mortgage · Conventional Mortgage LANDMARK CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 27, 2009 · Amount on File
Deed Sale	Feb 27, 2009 · Amount on File
Prior Sale	Nov 5, 1996 · Amount on File
Deed Document Number	20093631647
Last Transfer Date	Apr 27, 2023
Transfer Doc	0004718309
Record Updated	Oct 29, 2026

May 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WAUKESHA WI
Recording Date	May 3, 2023
Property Address	643 E WASHINGTON ST, OCONOMOWOC, WI 53066-3107
Document Number	0004718309
Instrument Date	Apr 27, 2023
Instrument	4718309
Transaction Type	Transfer
Record Updated	May 24, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	643 E WASHINGTON ST, OCONOMOWOC, WI 53066-3107

Mortgage

Document Number	0004718310
Date	May 3, 2023
Instrument	4718310

Lender

Name	LANDMARK CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	May 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	6%
Adjustable	Adjustable Rate Rider
Type Change Date	May 1, 2020
Change Frequency	Annually
Min Rate At Change	4%
Max Rate At Change	8%
Index	5-Year CMT
Max Rate	11%

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	643 E WASHINGTON ST, OCONOMOWOC, WI 53066-3107
Transaction Type	Mortgage
Record Updated	Aug 10, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004681125
Date	Jul 27, 2022
Instrument	4681125

Lender

Name	LANDMARK CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

The 2025 property tax bill for 643 E Washington St was $4,564.

Source: Waukesha County assessment roll, as of June 23, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Waukesha County
Municipality	Oconomowoc City
Unified School District	Oconomowoc Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,564.00	$440,500 Land $75,500 Building $365,000	$447,000
2023	$4,062.00 Homeowner's exemption	$363,500 Land $75,500 Building $288,000	$379,400

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

Flood

FEMA maps place 643 E Washington St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 19, 2025

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

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 643 E Washington St 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 96% of the US · lower than 90% 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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	OCONOMOWOC WATERWORKS serves 15,805 people · EPA ID WI2680227
Water Source	Groundwater
Last State Inspection	Apr 2025
Lead	7 ppb (2023) action level 15 ppb

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 259 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Spectrum Cable	1,000 / 50
Bertram Communications Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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