Richland County property record for 321 N Mill St, Lone Rock, WI 53556
| Property Type | Single Family Home |
|---|---|
| Lot Size | 1.25 acres (54,450 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,813 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 146-4824-5200 |
| Primary APN | 146-4824-5200 |
|---|---|
| Alternative APN |
|
| Lot Area | 54,450 sqft (1.25 acres) |
|---|
| Street Address | 321 N MILL ST |
|---|---|
| City | LONE ROCK |
| State | WI |
| Zip | 53556-3802 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SE 1/4 NW 1/4 CSM 270, VOL 2-265, LOT 2 |
| Legal Range | 02E |
| Legal Township | 08N |
| Legal Section | 12 |
| Legal Lot Number | 2 |
| Jurisdiction | RICHLAND WI |
| Township / Civil Division | LONE ROCK |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 970500 |
321 N Mill St is owned and occupied by two individuals who acquired it in September 2013.
Source: Richland County records, as of February 13, 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 | 2 Individual Names on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 321 N MILL ST, LONE ROCK, WI 53556-3802 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 3 Names on Deed |
|---|---|
| Last Sale | Sep 3, 2013 |
| Deed Sale | Sep 3, 2013 |
| Deed Document Number | 302899 |
| Deed Book / Page | 610 / 233 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 321 N Mill St was $3,813 with a homeowner's exemption.
Source: Richland County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Richland County |
| Municipality | Lone Rock Village |
| Unified School District | River Valley School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,813.00 Homeowner's exemption | $287,800 Land $28,400 Building $259,400 | $294,200 Land $29,032 Building $265,168 |
| 2023 | $3,117.00 Homeowner's exemption | $133,700 Land $18,000 Building $115,700 | $225,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 321 N Mill St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2008.
Source: FEMA National Flood Hazard Layer, effective December 8, 2016 · 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 | 1 in force |
| Nearby Flood Claims | 1 (2008) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2008 · Severe Storms, Tornadoes, And 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 321 N Mill 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 31 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
May also be available: LightSpeed powered by Reedsburg Utility.
4G LTE only, no 5G reported
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