Marathon County property record for 421 4th St, Mosinee, WI 54455
| Property Type | Commercial |
|---|---|
| Details | built 1920 |
| Lot Size | 0.33 acres (14,418 sqft) |
| Owner | Owner Name on Record |
| Last Sale | $100,000 (Jul 2007) |
| Tax Bill | $4,607 (2025) |
| Deeds & Mortgages | Sep 2022 Line of Credit Apr 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 251-2707-295-1169 |
| Primary APN | 251-2707-295-1169 |
|---|---|
| Alternative APN |
|
| Year Built | Built 1920 |
|---|---|
| Lot Area | 14,418 sqft (0.33 acres) |
| Street Address | 421 4TH ST |
|---|---|
| City | MOSINEE |
| State | WI |
| Zip | 54455-1111 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | CITY OF MOSINEE LOTS 1 & 2 BLK 15 |
| Legal Range | 07 |
| Legal Township | 27 |
| Legal Section | 29 |
| Legal Quarter | 5 |
| Legal Subdivision | CITY OF MOSINEE |
| Legal Block | 15 |
| Legal Lot Number | 1&2 2 |
| Jurisdiction | MARATHON WI |
| Township / Civil Division | MOSINEE |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 1202 |
Source: Marathon County records, as of February 9, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Owner Name on Record |
|---|---|
| Mailing Address | 801 16TH ST, MOSINEE, WI 54455-1030 |
| Date | Document |
|---|---|
| Sep 1, 2022 | Deed of Trust, Mortgage · Line of Credit NICOLET NATIONAL BANK |
| Apr 1, 2020 | Deed of Trust, Mortgage · Commercial Mortgage NICOLET NATIONAL BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 5, 2007 · Amount on Record |
| Deed Sale | Jul 5, 2007 · Amount on Record |
| Prior Sale | Feb 13, 2007 |
| Deed Document Number | 1482724 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARATHON WI |
| Property Address | 421 4TH ST, MOSINEE, WI 54455-1111 |
| Transaction Type | Mortgage |
| Record Updated | Sep 9, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0001868845 |
|---|---|
| Date | Sep 1, 2022 |
| Instrument | 1868845 |
| Name | NICOLET NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | WAUSAU, WI 54401 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARATHON WI |
| Property Address | 421 4TH ST, MOSINEE, WI 54455-1111 |
| Transaction Type | Mortgage |
| Record Updated | Jul 14, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0001800792 |
|---|---|
| Date | Apr 1, 2020 |
| Instrument | 1800792 |
| Name | NICOLET NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Fixed Rate |
|---|
Source: Marathon County assessment roll, as of January 1, 2024
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Marathon County |
| Municipality | Mosinee City |
| Unified School District | Mosinee School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,607.00 (+6.72%) | $231,600 (-) Land $22,600 Building $209,000 | $329,760 (+12.57%) Land $32,179 Building $297,581 |
| 2023 | $4,317.00 | $231,600 Land $22,600 Building $209,000 | $292,925 Land $28,584 Building $264,341 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 | Indirect 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 | MOSINEE WATERWORKS serves 3,406 people · EPA ID WI7370159 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2025 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| 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 180 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 1,000 / 1,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures