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320 Spring St, Mukwonago, WI 53149 Property Records

Waukesha County property record for 320 Spring St, Mukwonago, WI 53149 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1 Baths
Year BuiltBuilt 1987
Lot Size15,246 sqft (0.35 acres)
OccupancyOwner Occupied
Last Sale$128,500 (1998)
Tax Bill$3,292.00 (2025)

Property Details

APN / Parcel Number

Primary APNMUKV-1974-946

Interior

Bedrooms3 Beds
Full Baths1 Baths
Total Rooms5 Rooms
1st Floor432 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Exterior MaterialAluminum/Vinyl Exterior
Lot Area15,246 sqft (0.35 acres)

Utilities and HVAC

Cooling SystemNone Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Street Address320 SPRING ST
CityMUKWONAGO
StateWI
Zip53149-1333
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionPT NW1/4 SEC 26 T5N R18E COM CTR SEC W 1441.44 FT N 413.49 FT N 66 FT W 228 FT S12 1/2W 67 FT 6 IN E 242 FT 4 IN TO BGN R2572/415
Legal Range18E
Legal Township5N
Legal Section26
Legal Block18
Legal Lot Number5
JurisdictionWAUKESHA WI
Minor Civil DivisionMUKWONAGO
Census Blockgroup3
Census Block3002
Census Tract203901

Owner

Source: Waukesha County records · APN MUKV-1974-946

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 Record2 Individual Names on File
Mailing Address320 SPRING ST, MUKWONAGO, WI 53149-1333
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Sep 09, 2021Deed of Trust, Mortgage · Conventional Mortgage
JOHNSON BANK
Jul 26, 2017Deed of Trust, Mortgage · Conventional Mortgage
JOHNSON BANK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 06, 1998 · Amount on Record
Deed SaleJan 06, 1998 · Amount on Record
Deed Doc Number19982276157
Deed Book / Page2572 / 415
Record RefreshedSep 20, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWAUKESHA WI
Property Address320 SPRING ST, MUKWONAGO, WI 53149-1333
Transaction TypeMortgage
Record UpdatedOct 06, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0004615737
DateSep 09, 2021
Instrument4615737
Lender
NameJOHNSON BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueOct 01, 2051
Interest
Rate TypeFixed Rate

July 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWAUKESHA WI
Property Address320 SPRING ST, MUKWONAGO, WI 53149-1333
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0004290598
DateJul 26, 2017
Instrument4290598
Lender
NameJOHNSON BANK
TypeBank
AddressRACINE, WI 53401
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 01, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateWisconsin
CountyWaukesha County
MunicipalityMukwonago Village
Unified School DistrictMukwonago 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.

YearTax BillAssessed ValueAssessed Market Value
2025$3,292.00 (+17.4%)$284,800 (+66.06%) Land $86,000 Building $198,800$301,600 (+24.17%)
2023$2,804.00 Homeowner's exemption$171,500 Land $44,000 Building $127,500$242,900

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