579 N Main St, Oshkosh, WI 54901 Property Records

Winnebago County property record for 579 N Main St, Oshkosh, WI 54901

Property Summary

Property Type	Commercial
Details	6,040 sqft · built 1895
Lot Size	0.08 acres (3,465 sqft)
Owner	Company Name on File
Last Sale	$180,000 (Apr 2015)
Tax Bill	$8,227 (2024)
Flood Zone	Zone X (minimal risk)
APN	`07-00500000`

Property Details

APN / Parcel Number

Primary APN	`07-00500000`
Alternative APN	`907-00500000`

Interior

Units	8 Units
Building Area	6,040 sqft Total Area

Exterior

Year Built	Built 1895
Effective Year Built	Effective 1977
Architectural Style	Quadruplex
Lot Area	3,465 sqft (0.08 acres)

Location & Zoning

Account Number	907-00500000
Street Address	579 N MAIN ST
City	OSHKOSH
State	WI
Zip	54901-4935
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	C3
Legal Description	N 4.6 FT OF LOT 23 & ALL OF LOT 24 HENNINGS PLAT OF LOT 2BLK 43
Legal Subdivision	HENNINGS PLAT
Legal Block	43
Legal Lot Number	23
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	2
Census Block	2002
Census Tract	501

Owner

Source: Winnebago County records · APN 07-00500000

Assessment roll updated May 27, 2026 · Last verified June 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 File
Mailing Address	PO BOX 1099, OSHKOSH, WI 54903-1099
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 24, 2015 · Amount on Record
Deed Sale	Apr 24, 2015 · Amount on Record
Deed Document Number	20151685846
Prior Transfer Date	Jan 28, 2014
Prior Transfer Doc	0001657871
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Winnebago County records · Assessment roll updated May 27, 2026 · Last verified June 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$284,400 (+25.23%) Land $18,200 Building $266,200
2024	$8,227.00 (+11.75%)
2023	$7,362.00 (-7.59%)	$227,100 (-) Land $17,300 Building $209,800	$328,165 Land $24,999 Building $303,166
2022	$7,967.00	$227,100 Land $17,300 Building $209,800

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of March 26, 2019 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026

Historic District	Within the North Main Street Historic District listed 1996 · 61 contributing resources · NRIS 96000250

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: TDS Telecom.

Based on FCC filings for 763 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	OSHKOSH WATERWORKS serves 63,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.