321 Westside Ave, Mukwonago, WI 53149 Property Records

Waukesha County property record for 321 Westside Ave, Mukwonago, WI 53149

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · built 1945
Lot Size	0.31 acres (13,504 sqft)
Owner	Individual Name on Record
Last Sale	$174,000 (Nov 2017)
Tax Bill	$2,868 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Apr 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1974-926`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1974-926`
Alternative APN	`MUKT1974926`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
1st Floor Area	432 sqft

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Exterior Material	Wood
Lot Area	13,504 sqft (0.31 acres)

Utilities, Heating & Cooling

Cooling System	None
Heating System	Forced Air with A/C

Location & Zoning

Street Address	321 WESTSIDE AVE
City	MUKWONAGO
State	WI
Zip	53149-1339
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PT NW1/4 SEC 26 T5N R18E; COM CTR SEC; W 781.5 FT; N 115.5 FT; E 33 FT; N 198.0 FT; N9 1/2E 81.84 FT THE BGN; N9 1/2E 105.0 FT; N8006W 118.5 FT; S9 1/2W 125.0 FT; E 120.0 FT TO BGN :: DOC# 4316949
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	3
Census Block	3002
Census Tract	203901

Owner

Source: Waukesha County records, as of June 23, 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 Record
Mailing Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 6, 2021	Deed of Trust, Mortgage · Conventional Mortgage CITIZENS BANK
Apr 5, 2021	Deed of Trust, Mortgage · Conventional Mortgage CITIZENS BANK
Dec 22, 2017	Correction Deed, Transfer US TITLE, US TITLE & CLOSING SVCS INC
Nov 1, 2017	Warranty Deed, Transfer · Conventional Mortgage BMO HARRIS BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 1, 2017 · Amount on Record
Deed Sale	Nov 1, 2017 · Amount on Record
Prior Sale	Aug 12, 2003 · Amount on Record
Deed Document Number	20174308505
Prior Transfer Date	Mar 28, 2002
Prior Transfer Doc	0002798121
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339
Transaction Type	Mortgage
Record Updated	Apr 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004573180
Date	Apr 6, 2021
Instrument	4573180

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	60 Months
Due	Apr 1, 2022

Interest

Rate Type	Fixed Rate

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339
Transaction Type	Mortgage
Record Updated	Apr 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004572602
Date	Apr 5, 2021
Instrument	4572602

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 1, 2051

Interest

Rate Type	Fixed Rate

December 2017: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	WAUKESHA WI
Recording Date	Dec 22, 2017
Property Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339
Document Number	0004316949
Instrument Date	Dec 21, 2017
Instrument	4316949
Transaction Type	Transfer
Record Updated	Jul 14, 2020
Title Company	US TITLE, US TITLE & CLOSING SVCS INC

Transaction

Amount	Amount Recorded
Tax	$522.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	321 WESTSIDE AVE MUKWONAGO WI 531491339, MUKWONAGO, WI 53149-1339

November 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WAUKESHA WI
Recording Date	Nov 1, 2017
Property Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339
Document Number	0004308505
Instrument Date	Oct 27, 2017
Instrument	4308505
Transaction Type	Transfer
Record Updated	Jun 17, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$522.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	321 WESTSIDE AVE, MUKWONAGO, WI 53149-1339

Mortgage

Document Number	0004308506
Date	Nov 1, 2017
Instrument	4308506

Lender

Name	BMO HARRIS BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

Tax Assessment & Valuation

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	$2,868.00 (-2.38%)	$250,300 (+39.83%) Land $84,500 Building $165,800	$265,000 (+4.54%)
2023	$2,938.00 Homeowner's exemption	$179,000 Land $38,500 Building $140,500	$253,500

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

Flood

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	6 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

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	None beyond ember reach

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 218 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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