448 W 20th Ave, Oshkosh, WI 54902 Property Records

Winnebago County property record for 448 W 20th Ave, Oshkosh, WI 54902

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,410 sqft · built 1947
Lot Size	0.158 acres (6,901 sqft)
Owner	Company Name on Record
Tax Bill	$3,095 (2024)
Deeds & Mortgages	Dec 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`14-09870100`

Property Details

APN / Parcel Number

Primary APN	`14-09870100`
Alternative APN	`914-09870100`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,410 sqft Living Area
Gross Area	240 sqft

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	Cape Cod
Exterior Material	Aluminum/Vinyl
Lot Area	6,901 sqft (0.158 acres)
Lot Dimensions	103 ft deep x 67 ft wide
Garage Type	Attached
Garage Area	240 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Account Number	914-09870100
Street Address	448 W 20TH AVE
City	OSHKOSH
State	WI
Zip	54902-6821
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	E1/2 OF LOTS 11 & 12 BLK 13 POWERS & SMITHS ADDN
Legal Subdivision	POWERS & SMITHS ADD
Legal Block	13
Legal Lot Number	11,12
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	2
Census Block	2005
Census Tract	1400

Owner

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

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

Owner of Record	Company Name on Record
Mailing Address	448 W 20TH AVE, OSHKOSH, WI 54902-6821
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Nov 29, 2021
Transfer Doc	0001870424
Record Updated	Sep 20, 2026

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	WINNEBAGO WI
Recording Date	Dec 6, 2021
Property Address	448 W 20TH AVE, OSHKOSH, WI 54902-6821
Document Number	0001870424
Instrument Date	Nov 29, 2021
Instrument	1870424
Transaction Type	Transfer
Record Updated	Aug 4, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust

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		$177,800 (+77.98%) Land $22,200 Building $155,600
2024	$3,095.00 (+18.04%)
2023	$2,622.00 (-0.38%) Homeowner's exemption	$99,900 (-) Land $16,500 Building $83,400	$144,358 Land $23,843 Building $120,515
2022	$2,632.00 Homeowner's exemption	$99,900 Land $16,500 Building $83,400

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	1 in force
Nearby Flood Claims	1 (2008)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jun 2008 · Severe Storms, Tornadoes, And Flooding

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

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Bertram Communications Fixed Wireless	100 / 20