328 Guenther St, Oshkosh, WI 54902 Property Records

Winnebago County property record for 328 Guenther St, Oshkosh, WI 54902

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,226 sqft · built 1925
Lot Size	0.204 acres (8,900 sqft)
Owner	2 Individual Names on File
Last Sale	$159,000 (Sep 2021)
Tax Bill	$3,350 (2024)
Deeds & Mortgages	Sep 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`06-07650000`

Property Details

APN / Parcel Number

Primary APN	`06-07650000`
Alternative APN	`906-07650000`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,226 sqft Living Area
1st Floor Area	1,226 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Traditional
Exterior Material	Aluminum/Vinyl
Lot Area	8,900 sqft (0.204 acres)
Lot Dimensions	178 ft deep x 50 ft wide
Garage Type	Detached
Garage Area	576 sqft

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Account Number	906-07650000
Street Address	328 GUENTHER ST
City	OSHKOSH
State	WI
Zip	54902-5747
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	LOT 6 BLK 3 G C BENTS SUBD
Legal Subdivision	BLK 3 G C BENTS SUBD
Legal Block	3
Legal Lot Number	6
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	3
Census Block	3004
Census Tract	1100

Owner

328 Guenther St is owned and occupied by two individuals who bought it in September 2021.

Source: Winnebago County records, as of May 27, 2026

Owner of Record	2 Individual Names on File
Mailing Address	328 GUENTHER ST, OSHKOSH, WI 54902-5747
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 16, 2021 · Amount on File
Deed Sale	Sep 16, 2021 · Amount on File
Prior Sale	Nov 3, 2017 · Amount on File
Deed Document Number	20211863203
Record Updated	Oct 29, 2026

September 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WINNEBAGO WI
Recording Date	Sep 16, 2021
Property Address	328 GUENTHER ST, OSHKOSH, WI 54902-5747
Document Number	0001863203
Instrument Date	Sep 15, 2021
Instrument	1863203
Transaction Type	Transfer
Record Updated	Aug 4, 2023
Title Company	WARRANTY TITLE SERVICES INC, GUARANTY TITLE SERVICES INC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$477.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	328 GUENTHER ST, OSHKOSH, WI 54902-5747

Mortgage

Document Number	0001863204
Date	Sep 16, 2021
Instrument	1863204

Lender

Name	COMMUNITY FIRST CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

Tax Assessment & Valuation

Source: Winnebago County assessment roll, as of May 27, 2026

Property Jurisdictions

Type	Name
State	Wisconsin
County	Winnebago County
Municipality	Oshkosh City
Unified School District	Oshkosh Area School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$191,300 Land $25,700 Building $165,600
2024	$3,350.00 (+6.59%)
2023	$3,143.00 (-0.13%) Homeowner's exemption	$117,400 (-) Land $18,400 Building $99,000	$169,645 Land $26,588 Building $143,057
2022	$3,147.00 Homeowner's exemption	$117,400 Land $18,400 Building $99,000

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

Flood

FEMA maps place 328 Guenther St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective March 26, 2019 · 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	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

Wildfire risk around 328 Guenther St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 97.9% of Wisconsin
Wildfire Likelihood	Under 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	OSHKOSH WATERWORKS serves 63,000 people · EPA ID WI4710457
Water Source	Surface water
Last State Inspection	Apr 2025
Lead	6 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 415 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Bertram Communications Fixed Wireless	100 / 20

May also be available: T-Mobile, Verizon.

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