644 School Ave, Oshkosh, WI 54901 Property Records

Winnebago County property record for 644 School Ave, Oshkosh, WI 54901 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,120 sqft · built 1875
Lot Size	0.128 acres (5,580 sqft)
Owner	2 Individual Names on File
Tax Bill	$2,183 (2024)
Flood Zone	Zone X (minimal risk)
APN	`02-01590000`

Property Details

APN / Parcel Number

Primary APN	`02-01590000`
Alternative APN	`902-01590000`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,120 sqft Living Area
Family Room	Family Room

Exterior

Year Built	Built 1875
Effective Year Built	Effective 1875
Exterior Material	Aluminum/Vinyl
Lot Area	5,580 sqft (0.128 acres)
Garage Type	Detached
Garage Area	352 sqft

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Account Number	902-01590000
Street Address	644 SCHOOL AVE
City	OSHKOSH
State	WI
Zip	54901-5123
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 13 BLK X WARD R B & CONKLINS ADDN
Legal Subdivision	BLK X WARD R B & CONKLINS ADDN
Legal Block	X
Legal Lot Number	13
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	3
Census Block	3003
Census Tract	100

Owner

Source: Winnebago County records · APN 02-01590000

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	2 Individual Names on File
Mailing Address	644 SCHOOL AVE, OSHKOSH, WI 54901-5123
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
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		$129,600 (+93.43%) Land $14,800 Building $114,800
2024	$2,183.00 (+32.87%)
2023	$1,643.00 (-1.26%) Homeowner's exemption	$67,000 (-) Land $8,700 Building $58,300	$96,817 Land $12,572 Building $84,245
2022	$1,664.00 Homeowner's exemption	$67,000 Land $8,700 Building $58,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Winnebago County (55139C), updated March 26, 2019 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 551390001003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond 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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 519 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Spectrum	Cable	1,000 / 1,000
Verizon	Fixed Wireless	300 / 20
Bertram Communications	Fixed Wireless (unlicensed)	100 / 20
AT&T	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: AT&T, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.