644 Oldfield Ave, Mukwonago, WI 53149 Property Records

Waukesha County property record for 644 Oldfield Ave, Mukwonago, WI 53149

Property Summary

Property Type	Single Family Home
Lot Size	0.34 acres (14,810 sqft)
Owner	Individual Name on File
Last Sale	$59,900 (Apr 2014)
Tax Bill	$5,553 (2025)
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1960-083`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1960-083`

Exterior

Lot Area	14,810 sqft (0.34 acres)

Location & Zoning

Street Address	644 OLDFIELD AVE
City	MUKWONAGO
State	WI
Zip	53149-8938
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 83 & UNDIV INT IN OUTLOTS 2-5 FAIRWINDS PT SE1/4 SEC 22 & PT SW1/4 SEC 23 T5N R18E :: DOC# 4074959
Legal Range	18E
Legal Township	5N
Legal Section	23
Legal Subdivision	FAIRWINDS
Legal Lot Number	83
Jurisdiction	WAUKESHA WI
Township / Civil Division	MUKWONAGO
Census Block Group	1
Census Block	1010
Census Tract	203901

Owner

644 Oldfield Ave is owned and occupied by an individual who bought it in April 2014.

Source: Waukesha County records, as of August 17, 2026

Owner of Record	Individual Name on File
Mailing Address	644 OLDFIELD AVE, MUKWONAGO, WI 53149-8938
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.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 18, 2014 · Amount on File
Deed Sale	Apr 18, 2014 · Amount on File
Deed Document Number	20144074959
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 644 Oldfield Ave was $5,553.

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

Property Jurisdictions

Type	Name
State	Wisconsin
County	Waukesha County
Municipality	Mukwonago Village
Unified School District	Mukwonago School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5,553.00	$468,800 Land $108,000 Building $360,800	$496,300
2023	$5,549.00 Homeowner's exemption	$325,000 Land $71,000 Building $254,000	$460,300

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

Flood

FEMA maps place 644 Oldfield Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 19, 2025 · 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	1 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

Wildfire risk around 644 Oldfield 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	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	MUKWONAGO WATERWORKS serves 8,190 people · EPA ID WI2680209
Water Source	Groundwater
Last State Inspection	Mar 2024
Lead	3 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	2 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 71 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20