Winnebago County property record for 415 Annex Ave, Oshkosh, WI 54901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,132 sqft · built 1971 |
| Lot Size | 0.13 acres (5,640 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,857 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer Oct 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-08280000 |
| Primary APN | 12-08280000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,132 sqft Living Area |
| Family Room | Family Room |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 5,640 sqft (0.13 acres) |
| Lot Dimensions | 120 ft deep x 47 ft wide |
| Garage Type | Detached |
| Garage Area | 384 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Account Number | 912-08280000 |
|---|---|
| Street Address | 415 ANNEX AVE |
| City | OSHKOSH |
| State | WI |
| Zip | 54901-2919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | LOT 3 BLK 1 MASTERSONS PARK PLAT |
| Legal Subdivision | BLK 1 MASTERSONS PARK PLAT |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | WINNEBAGO WI |
| Township / Civil Division | OSHKOSH |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 800 |
415 Annex Ave is owned and occupied by two individuals who acquired it in September 2023.
Source: Winnebago County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 415 ANNEX AVE, OSHKOSH, WI 54901-2919 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Oct 2, 2023 | Affidavit of Death of Joint Tenant, Transfer |
| Oct 2, 2023 | Transfer on Death Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 26, 2023 |
| Transfer Doc | 0001911257 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Oct 2, 2023 |
| Property Address | 415 ANNEX AVE, OSHKOSH, WI 54901-2919 |
| Document Number | 0001911256 |
| Instrument Date | Sep 26, 2023 |
| Instrument | 1911256 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 415 ANNEX AVE, OSHKOSH, WI 54901-2919 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | WINNEBAGO WI |
| Recording Date | Oct 2, 2023 |
| Property Address | 415 ANNEX AVE, OSHKOSH, WI 54901-2919 |
| Document Number | 0001911257 |
| Instrument Date | Sep 26, 2023 |
| Instrument | 1911257 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
The 2025 property tax bill for 415 Annex Ave was $2,857, down 3.6% from the year before.
Source: Winnebago County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Winnebago County |
| Municipality | Oshkosh City |
| Unified School District | Oshkosh Area School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,857.00 (-3.61%) | $170,900 Land $18,300 Building $152,600 | |
| 2024 | $2,964.00 (+3.71%) | ||
| 2023 | $2,858.00 (-0.24%) Homeowner's exemption | $107,800 (-) Land $13,500 Building $94,300 | $155,774 Land $19,508 Building $136,266 |
| 2022 | $2,865.00 Homeowner's exemption | $107,800 Land $13,500 Building $94,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 415 Annex Ave in Zone X, an area of minimal flood risk.
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.
The area around 415 Annex Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 777 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Bertram Communications Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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