512 Bay St, Mukwonago, WI 53149 Property Records

Waukesha County property record for 512 Bay St, Mukwonago, WI 53149

Property Summary

Property Type	Single Family Home
Details	4 bd · 1 ba · built 1953
Lot Size	0.22 acres (9,583 sqft)
Owner	2 Individual Names on Record
Last Sale	$90,000 (Aug 2013)
Tax Bill	$2,821 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Sep 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`MUKV-1974-969`

Property Details

APN / Parcel Number

Primary APN	`MUKV-1974-969`

Interior

Bedrooms	4 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
1st Floor Area	432 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Cottage
Exterior Material	Aluminum/Vinyl
Lot Area	9,583 sqft (0.22 acres)

Utilities, Heating & Cooling

Cooling System	None
Heating System	Hot Water

Location & Zoning

Street Address	512 BAY ST
City	MUKWONAGO
State	WI
Zip	53149-1321
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PT NW1/4 SEC 26 T5N R18E COM 505.56 FT N & 627 FT E OF W1/4 POST N 130.02 FT E 75.90 FT S 130.02 FT W 75.90 FT TO BGN DOC# 4039326 & DOC# 4043584
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, as of June 23, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	512 BAY ST, MUKWONAGO, WI 53149-1321
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 6, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS INC
Sep 24, 2018	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 28, 2013 · Amount on Record
Deed Sale	Aug 28, 2013 · Amount on Record
Prior Sale	Jun 29, 2006 · Amount on Record
Deed Document Number	20134039326
Prior Transfer Date	Feb 2, 2005
Prior Transfer Doc	0003247911
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	512 BAY ST, MUKWONAGO, WI 53149-1321
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004527639
Date	Nov 6, 2020
Instrument	4527639

Lender

Name	QUICKEN LOANS INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2050

Interest

Rate Type	Fixed Rate

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WAUKESHA WI
Property Address	512 BAY ST, MUKWONAGO, WI 53149-1321
Document Number	0004363546
Instrument Date	Sep 24, 2018
Transaction Type	Mortgage
Record Updated	Jan 16, 2019
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	512 BAY ST MUKWONAGO WI 531491321, MUKWONAGO, WI 53149-1321

Mortgage

Document Number	0004363546
Date	Oct 1, 2018
Instrument	4363546

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 30, 2048

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	$2,821.00 (+12.89%)	$246,500 (+59.55%) Land $81,500 Building $165,000	$261,000 (+19.29%)
2023	$2,499.00 Homeowner's exemption	$154,500 Land $40,000 Building $114,500	$218,800

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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 94% of the US · lower than 83% of Wisconsin
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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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