666 Frederick St, Oshkosh, WI 54901 Property Records

Winnebago County property record for 666 Frederick St, Oshkosh, WI 54901

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,788 sqft · built 1920
Lot Size	0.133 acres (5,778 sqft)
Owner	Individual Name on File
Tax Bill	$2,648 (2024)
Deeds & Mortgages	Oct 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`07-04420000`

Property Details

APN / Parcel Number

Primary APN	`07-04420000`
Alternative APN	`907-04420000`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,788 sqft Living Area

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Exterior Material	Aluminum/Vinyl
Lot Area	5,778 sqft (0.133 acres)
Lot Dimensions	107 ft deep x 54 ft wide
Garage Type	Detached
Garage Area	616 sqft

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Account Number	907-04420000
Street Address	666 FREDERICK ST
City	OSHKOSH
State	WI
Zip	54901-4458
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	LOT 6 BLK B R PARKINSONS SUBD OF PART OF BLK 45
Legal Subdivision	BLK B R PARKINSONS SUBD
Legal Block	B,45
Legal Lot Number	6
Jurisdiction	WINNEBAGO WI
Township / Civil Division	OSHKOSH
Census Block Group	4
Census Block	4007
Census Tract	502

Owner

Source: Winnebago County assessment roll, 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	Individual Name on File
Mailing Address	666 FREDERICK ST, OSHKOSH, WI 54901-4458
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

October 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINNEBAGO WI
Property Address	666 FREDERICK ST, OSHKOSH, WI 54901-4458
Transaction Type	Mortgage
Record Updated	Jun 26, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	666 FREDERICK ST, OSHKOSH, WI 54901-4458

Mortgage

Document Number	0001892834
Date	Oct 13, 2022
Instrument	1892834

Lender

Name	HEALTH CARE CU
Type	Credit Union
Address	OSHKOSH, WI 54902

Agreement

Type	Closed-End Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 6, 2037

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		$154,200 (+72.1%) Land $22,100 Building $132,100
2024	$2,648.00 (+14.34%)
2023	$2,316.00 (-0.56%) Homeowner's exemption	$89,600 (-) Land $13,800 Building $75,800	$129,474 Land $19,941 Building $109,533
2022	$2,329.00 Homeowner's exemption	$89,600 Land $13,800 Building $75,800

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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

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

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.

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