303 Spring St, Mukwonago, WI 53149 Property Records

Waukesha County property record for 303 Spring St, Mukwonago, WI 53149 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · built 1920
Lot Size	0.3 acres (13,068 sqft)
Owner	Individual Name on File
Last Sale	$245,000 (Jan 2021)
Tax Bill	$3,166 (2025)
Deeds & Mortgages	Jan 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1974-961`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1974-961`
Alternative APN	`MUKT1974961`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
1st Floor Area	432 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Exterior Material	Aluminum/Vinyl
Lot Area	13,068 sqft (0.3 acres)
Garage Type	Attached
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	303 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 AT PNT 26 CHS & 59 LNKS (1754.94 FT) W OF CNTR OF SAID SEC 26 & 1 CH & 75 LNKS (15.50 FT) N OF E & W1/4 LINE THRGH SAID SEC; W 1 CH (66 FT); N 3 CHS (198 FT); E 1 CH (66 FT); S 3 CHS (198 FT) TO BGN
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-1974-961

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	303 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
Last Sale	Jan 05, 2021 · Amount on Record
Deed Sale	Jan 05, 2021 · Amount on Record
Deed Document Number	20214544910
Record Updated	Sep 20, 2026

January 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WAUKESHA WI
Recording Date	Jan 05, 2021
Property Address	303 SPRING ST, MUKWONAGO, WI 53149-1332
Document Number	0004544910
Instrument Date	Dec 16, 2020
Instrument	4544910
Transaction Type	Transfer
Record Updated	Jun 17, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$735.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	303 SPRING ST, MUKWONAGO, WI 53149-1332

Mortgage

Document Number	0004544911
Date	Jan 05, 2021
Instrument	4544911

Lender

Name	JOHNSON BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	372 Months
Due	Jan 01, 2051

Interest

Rate Type	Fixed Rate

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	$3,166.00 (-4.7%)	$274,600 (+36.96%) Land $84,500 Building $190,100	$290,800 (+2.39%)
2023	$3,322.00 Homeowner's exemption	$200,500 Land $42,500 Building $158,000	$284,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Waukesha County (55133C), updated October 19, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Low above 6% of the US · above 16% of Wisconsin
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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