Oconto County property record for 830 Madison St, Oconto, WI 54153
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.186 acres (8,102 sqft) |
| Owner | Individual Name on File |
| Last Sale | $42,500 (Sep 2014) |
| Tax Bill | $1,361 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 26527201121229 |
| Primary APN | 26527201121229 |
|---|
| Lot Area | 8,102 sqft (0.186 acres) |
|---|
| Street Address | 830 MADISON ST |
|---|---|
| City | OCONTO |
| State | WI |
| Zip | 54153-1611 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | UNZN |
| Legal Description | LOT 162 OF UNION ADD TO CITY OF OCONTO. |
| Legal Range | 22E |
| Legal Township | 28N |
| Legal Section | 20 |
| Legal Subdivision | UNION ADD |
| Legal Lot Number | 162 |
| Jurisdiction | OCONTO WI |
| Township / Civil Division | OCONTO |
| Census Block Group | 3 |
| Census Block | 3032 |
| Census Tract | 100900 |
830 Madison St is owned by an individual who bought it in September 2014.
Source: Oconto County records, as of April 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 903 MADISON ST, OCONTO, WI 54153-1427 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Sep 5, 2014 · Amount on File |
| Deed Sale | Sep 5, 2014 · Amount on File |
| Deed Document Number | 2014679654 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 830 Madison St was $1,361.
Source: Oconto County assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Oconto County |
| Municipality | Oconto City |
| Unified School District | Oconto School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,361.00 | $89,500 Land $8,800 Building $80,700 | $91,100 Land $8,957 Building $82,143 |
| 2023 | $1,086.00 | $41,400 Land $9,000 Building $32,400 | $63,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 830 Madison St in Zone X, an area of minimal flood risk, though there have been 15 flood claims nearby since 1985.
Source: FEMA National Flood Hazard Layer, effective May 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 15 (1985–2019) |
| Claims Outside the SFHA | 2 of 15 |
| Most Recent Claim | Dec 2019 · river or lake flooding |
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.
Wildfire risk around 830 Madison St 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 | Direct burnable vegetation |
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 | OCONTO WATERWORKS serves 4,583 people · EPA ID WI4430495 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2026 |
| Lead | 3 ppb (2023) action level 15 ppb |
| Water Quality | Radium resolved · Jan 2019 |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 1 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 351 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Brightspeed Fiber | 2,000 / 2,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Bertram Communications Fixed Wireless | 100 / 20 |
May also be available: Bug Tussel Wireless.
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