311 Spring St, Mukwonago, WI 53149 Property Records

Waukesha County property record for 311 Spring St, Mukwonago, WI 53149

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · built 2002
Lot Size	0.24 acres (10,454 sqft)
Owner	Individual Name on File
Tax Bill	$4,466 (2025)
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1974-960-001`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1974-960-001`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
1st Floor Area	432 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Architectural Style	Cape Cod
Exterior Material	Aluminum/Vinyl
Lot Area	10,454 sqft (0.24 acres)
Garage Type	Attached
Parking Spaces	2 Parking Spaces
Pool Type	Spa / Hot Tub (No Pool)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	311 SPRING ST
City	MUKWONAGO
State	WI
Zip	53149-1332
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PT NW1/4 SEC 26 T5N R18E COM CTR SEC W 1887 FT N 389.5 FT E 148.5 FT S12 25W 78 FT W 132 FT N 76 FT TO BGN S12 15W 78 FT W 132 FT N 76 FT TO BGN DOC# 2841658 ALSO PT OF ADJACENT VACATED STREET TO THE WEST DOC# 3129553
Legal Range	18E
Legal Township	5N
Legal Section	26
Legal Block	18
Legal Lot Number	5
Jurisdiction	WAUKESHA WI
Township / Civil Division	MUKWONAGO
Census Block Group	1
Census Block	1033
Census Tract	203901

Owner

Source: Waukesha County records · APN MUKV-1974-960-001

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	311 SPRING ST, MUKWONAGO, WI 53149-1332
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
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	$4,466.00 (-2%)	$380,300 (+41.11%) Land $82,500 Building $297,800	$402,600 (+5.48%)
2023	$4,557.00 Homeowner's exemption	$269,500 Land $41,000 Building $228,500	$381,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Waukesha County (55133C), as of October 19, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 551332039011, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 83% of Wisconsin
Wildfire Likelihood	Under 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 as of December 31, 2025 · 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.

Based on FCC filings for 218 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system WI2680209, as of 2026 Q3 · EPA water system boundaries as of 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.