Juneau County property record for N4857 20th Ave, Mauston, WI 53948
| Property Type | Single Family Home |
|---|---|
| Lot Size | 13.2 acres (578,477 sqft) |
| Owner | Individual Name on File |
| Last Sale | $39,000 (Oct 2025) |
| Tax Bill | $3,647 (2025) |
| Deeds & Mortgages | Oct 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 290180173 |
| Primary APN | 290180173 |
|---|---|
| Alternative APN |
|
| Lot Area | 578,477 sqft (13.2 acres) |
|---|
| Street Address | N4857 20TH AVE |
|---|---|
| City | MAUSTON |
| State | WI |
| Zip | 53948-9488 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT VOL 1 CSM PG 239, #216; E. 1/3 OF N. 1,334.25' OF NEFR 1/4 NE 1/4 |
| Legal Range | 04E |
| Legal Township | 15N |
| Legal Section | 03 |
| Jurisdiction | JUNEAU WI |
| Township / Civil Division | LEMONWEIR |
| Census Block Group | 2 |
| Census Block | 2029 |
| Census Tract | 100400 |
N4857 20th Ave is owned and occupied by an individual who bought it in October 2025.
Source: Juneau County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 409 GREEN ST, ONALASKA, WI 54650-3246 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Oct 7, 2025 · Amount on File |
| Deed Sale | Oct 7, 2025 · Amount on File |
| Deed Document Number | 2025769414 |
| Prior Transfer Date | Sep 30, 2025 |
| Prior Transfer Doc | 0000769414 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | JUNEAU WI |
| Recording Date | Oct 7, 2025 |
| Property Address | N4857 20TH AVE, MAUSTON, WI 53948-9488 |
| Document Number | 0000769414 |
| Instrument Date | Sep 30, 2025 |
| Instrument | 769414 |
| Transaction Type | Transfer |
| Record Updated | Feb 9, 2026 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | N4857 20TH AVE, MAUSTON, WI 53948-9488 |
| Name | Verified Name |
|---|---|
| Address | 409 GREEN ST, ONALASKA, WI 54650-3246 |
The 2025 property tax bill for N4857 20th Ave was $3,647 with a homeowner's exemption, up 241.5% from the year before.
Source: Juneau County assessment roll, as of February 9, 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Juneau County |
| County Subdivision | Lemonweir Town |
| Unified School District | Mauston School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,647.00 (+241.48%) Homeowner's exemption | $322,000 (+631.82%) Land $79,400 Building $242,600 | $317,600 (+307.7%) |
| 2024 | $1,068.00 (+17.49%) | $44,000 (-) Land $44,000 | $77,900 (+23.06%) |
| 2023 | $909.00 | $44,000 Land $44,000 | $63,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place N4857 20th Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2018.
Source: FEMA National Flood Hazard Layer, effective July 20, 2018 · 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 | 3 in force |
| Nearby Flood Claims | 2 (2018–2019) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 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 N4857 20th Ave is low, with a 0.02% 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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 12 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Lynxx Networks Fiber | 1,000 / 1,000 |
| Spectrum Fiber | 1,000 / 1,000 |
5G and 4G LTE (outdoors only)
Search by:
By searching, you agree to: Terms • Privacy • Disclosures