Carroll County property record for 321 S Mill St, Mount Carroll, IL 61053
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,658 sqft · built 1838 |
| Lot Size | 2 acres (87,120 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,525 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 05-08-12-200-026 |
| Primary APN | 05-08-12-200-026 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,658 sqft Living Area |
| Basement Area | 384 sqft |
| Unfinished Basement | 384 sqft |
| Year Built | Built 1838 |
|---|---|
| Effective Year Built | Effective 1927 |
| Architectural Style | Contemporary |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 87,120 sqft (2 acres) |
| Garage Type | Detached |
| Garage Area | 924 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 140 sqft |
| Deck Area | 144 sqft |
| Shed | 1 Shed |
| Shed Area | 600 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 321 S MILL ST |
|---|---|
| City | MOUNT CARROLL |
| State | IL |
| Zip | 61053-1235 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S12 T24 R4 NE COR LOT 9 NE. 05-000-236-00 |
| Legal Range | 04W |
| Legal Township | 24N |
| Legal Section | 12 |
| Legal Lot Number | 9 |
| Jurisdiction | CARROLL IL |
| Township / Civil Division | MOUNT CARROLL |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 960400 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Mount Carroll Historic District listed 1980 · 172 contributing resources · NRIS 80001340 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
321 S Mill St, a single family home, is owned by an individual.
Source: Carroll County records, as of June 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 321 S Mill St was $2,525, up 1.7% from the year before.
Source: Carroll County assessment roll, as of June 1, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Carroll County |
| County Subdivision | Mount Carroll Township |
| Municipality | Mount Carroll City |
| Unified School District | West Carroll Community Unit School District 314 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,525.00 (+1.65%) | $36,073 Land $9,566 Building $26,507 | $108,230 Land $28,701 Building $79,529 |
| 2024 | $2,484.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 321 S Mill St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective December 17, 2010
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 321 S Mill St is low, with less than 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 97% of the US · lower than 79% of Illinois |
|---|---|
| Wildfire Likelihood | Under 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 | MOUNT CARROLL serves 1,479 people · EPA ID IL0150200 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2025 |
| Lead | 1 ppb (2022–2024) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 44 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Jo-Carroll Energy Fiber | 1,000 / 1,000 |
| Mediacom Xtream Cable | 1,000 / 50 |
| JCWIFI.com Fixed Wireless | 200 / 200 |
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