Marathon County property record for 525 E Union Ave, Wausau, WI 54403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · built 1925 |
| Lot Size | 0.169 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $61,900 (Mar 2018) |
| Tax Bill | $2,099 (2025) |
| Deeds & Mortgages | Mar 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 291-2907-243-0211 |
| Primary APN | 291-2907-243-0211 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Architectural Style | Bungalow |
| Exterior Material | Composition/Composite |
| Lot Area | 7,405 sqft (0.169 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 525 E UNION AVE |
|---|---|
| City | WAUSAU |
| State | WI |
| Zip | 54403-3364 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | KIEFER MILLER & RINGLES ADD LOT 10 BLK 6 |
| Legal Range | 07 |
| Legal Township | 29 |
| Legal Section | 24 |
| Legal Quarter | SE |
| Legal Subdivision | KIEFER MILLER & RINGLES ADD |
| Legal Block | 6 |
| Legal Lot Number | 10 |
| Jurisdiction | MARATHON WI |
| Township / Civil Division | WAUSAU |
| Census Block Group | 5 |
| Census Block | 5014 |
| Census Tract | 300 |
525 E Union Ave is owned and occupied by an individual who bought it in March 2018.
Source: Marathon County records, as of February 9, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 525 E UNION AVE, WAUSAU, WI 54403-3364 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 19, 2018 · Amount on File |
| Deed Sale | Mar 19, 2018 · Amount on File |
| Prior Sale | Mar 3, 2016 |
| Deed Document Number | 1755105 |
| Record Updated | Jun 8, 2026 |
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | MARATHON WI |
| Recording Date | Mar 19, 2018 |
| Property Address | 525 E UNION AVE, WAUSAU, WI 54403-3364 |
| Document Number | 0001755105 |
| Instrument Date | Mar 16, 2018 |
| Instrument | 1755105 |
| Transaction Type | Transfer |
| Record Updated | Apr 12, 2022 |
| Title Company | RUNKEL ABSTRACT AND TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 0001755107 |
|---|---|
| Date | Mar 19, 2018 |
| Instrument | 1755107 |
| Name | COVANTAGE CU |
|---|---|
| Type | Credit Union |
| Address | ANTIGO, WI 54409 |
| Type | Second Mortgage (Down Payment) |
|---|---|
| Amount | Amount on Record |
| Term | 121 Months |
| Due | Apr 1, 2028 |
The 2025 property tax bill for 525 E Union Ave was $2,099 with a homeowner's exemption.
Source: Marathon County assessment roll, as of January 1, 2024
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Marathon County |
| Municipality | Wausau City |
| Unified School District | Wausau School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,099.00 | $123,400 Land $16,500 Building $106,900 | $129,517 Land $17,318 Building $112,199 |
| 2023 | $1,870.00 Homeowner's exemption | $87,600 Land $15,900 Building $71,700 | $105,025 Land $19,063 Building $85,962 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 525 E Union Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026
| 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 risk around 525 E Union Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | WAUSAU WATERWORKS serves 39,994 people · EPA ID WI7370102 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2023 |
| Lead | 6 ppb (2020) 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.
Source: FCC Broadband Data Collection, based on 481 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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