421 W 11th Ave, Oshkosh, WI 54902 Property Records

Winnebago County property record for 421 W 11th Ave, Oshkosh, WI 54902

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,404 sqft · built 1920
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on Record
Last Sale	$180,000 (Sep 2023)
Tax Bill	$3,457 (2024)
Deeds & Mortgages	Sep 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`09-06630000`

Property Details

APN / Parcel Number

Primary APN	`09-06630000`
Alternative APN	`909-06630000`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,404 sqft Living Area
1st Floor Area	1,404 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Traditional
Exterior Material	Aluminum/Vinyl
Lot Area	7,500 sqft (0.172 acres)
Lot Dimensions	150 ft deep x 50 ft wide
Garage Type	Detached
Garage Area	360 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Account Number	909-06630000
Street Address	421 W 11TH AVE
City	OSHKOSH
State	WI
Zip	54902-6413
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	LOT 8 BLK 85 PLAT OF ORIGINAL 3RD WARD
Legal Subdivision	ORIGINAL THIRD WARD
Legal Block	85
Legal Lot Number	8
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	1
Census Block	1007
Census Tract	1300

Owner

Source: Winnebago County records, as of August 17, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	421 W 11TH AVE, OSHKOSH, WI 54902-6413
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 22, 2023 · Amount on Record
Deed Sale	Sep 22, 2023 · Amount on Record
Prior Sale	Feb 20, 2007 · Amount on Record
Deed Document Number	20231910787
Record Updated	Sep 20, 2026

September 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WINNEBAGO WI
Recording Date	Sep 22, 2023
Property Address	421 W 11TH AVE, OSHKOSH, WI 54902-6413
Document Number	0001910787
Map Reference	MAP 1894
Instrument Date	Sep 19, 2023
Instrument	1910787
Transaction Type	Transfer
Record Updated	May 7, 2026

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$540.00
Amount Accuracy	Rounded by County
Additional	Lis Pendens Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 W 11TH AVE, OSHKOSH, WI 54902-6413

Mortgage

Document Number	0001910789
Date	Sep 22, 2023
Instrument	1910789

Lender

Name	WISCONSIN HOUSING & ECONOMIC DEV AU
Type	Government Agency

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	121 Months
Due	Oct 1, 2033

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		$184,700 (+96.49%) Land $25,200 Building $159,500
2024	$3,457.00 (+25.66%)
2023	$2,751.00 (-39.53%) Homeowner's exemption	$94,000 (-) Land $15,800 Building $78,200	$135,832 Land $22,831 Building $113,001
2022	$4,549.00	$94,000 Land $15,800 Building $78,200

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 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	2 in force
Nearby Flood Claims	8 (2008–2021)
Claims Outside the SFHA	8 of 8
Most Recent Claim	Jul 2021 · rainfall accumulation

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	Not rated no burnable land within 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 744 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Bertram Communications Fixed Wireless	100 / 20