430 Spring St, Mukwonago, WI 53149 Property Records

Waukesha County property record for 430 Spring St, Mukwonago, WI 53149

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · built 1965
Lot Size	0.45 acres (19,602 sqft)
Owner	Individual Name on File
Last Sale	$175,500 (Oct 2006)
Tax Bill	$3,165 (2025)
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1974-958`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1974-958`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
1st Floor Area	432 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1965
Exterior Material	Wood
Lot Area	19,602 sqft (0.45 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	430 SPRING ST
City	MUKWONAGO
State	WI
Zip	53149-1335
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PT NW1/4 SEC 26 T5N R18E COM NW COR AH GIBSON PLAT OF MUKWONAGO N7630W 719.57 FT N7630W 67.5 FT N7850W 118.17 FT S1220W 125.5 FT N8834E 208.0 FT N003W 78.44 FT TO BGN (LOT A GIBSONS UNREC PLAT) DOC# 3429315 & DOC# 3441461
Legal Range	18E
Legal Township	5N
Legal Section	26
Legal Subdivision	MUKWONAGO
Legal Block	18
Legal Lot Number	5
Jurisdiction	WAUKESHA WI
Township / Civil Division	MUKWONAGO
Census Block Group	3
Census Block	3002
Census Tract	203901

Owner

Source: Waukesha County records · APN MUKV-1974-958

Assessment roll updated June 23, 2026 · Last verified July 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 File
Mailing Address	430 SPRING ST, MUKWONAGO, WI 53149-1335
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 20, 2006 · Amount on Record
Deed Sale	Oct 20, 2006 · Amount on Record
Deed Document Number	20063429315
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Waukesha County records · Assessment roll updated June 23, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,165.00 (-2.65%)	$274,500 (+39.69%) Land $89,500 Building $185,000	$290,700 (+4.46%)
2023	$3,251.00 Homeowner's exemption	$196,500 Land $47,500 Building $149,000	$278,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Waukesha County (55133C), updated October 19, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 551332039013, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 57% of Wisconsin
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 218 locations within half a mile · Last verified October 2026

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Verizon.

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water System	MUKWONAGO WATERWORKS serves 8,190 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.