Effingham County property record for 11820 E 400th Ave, Mason, IL 62443
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1,232 sqft · built 1959 |
| Lot Size | 3 acres (130,680 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $714,000 (Sep 2025) |
| Tax Bill | $4,201 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 07-05-013-020 |
| Primary APN | 07-05-013-020 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Stories | 1 Story |
| Building Area | 1,232 sqft Base Area |
| 1st Floor Area | 1,232 sqft |
| Basement Area | 1,232 sqft |
| Unfinished Basement | 1,232 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 130,680 sqft (3 acres) |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 11820 E 400TH AVE |
|---|---|
| City | MASON |
| State | IL |
| Zip | 62443-2840 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT NE NE 25003160 25003159 1101/287 |
| Jurisdiction | EFFINGHAM IL |
| Township / Civil Division | MASON |
| Census Block Group | 2 |
| Census Block | 2059 |
| Census Tract | 950400 |
11820 E 400th Ave is owned and occupied by two individuals who bought it in September 2025.
Source: Effingham County records, as of October 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 11820 E 400TH AVE, MASON, IL 62443-2840 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 4, 2025 · Amount on File |
| Deed Sale | Sep 4, 2025 · Amount on File |
| Deed Document Number | 20253160 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 11820 E 400th Ave was $4,201.
Source: Effingham County assessment roll, as of October 5, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Effingham County |
| County Subdivision | Mason Township |
| Unified School District | Effingham Community Unit School District 40 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,201.00 | $68,010 Land $5,570 Building $62,440 | $204,030 Land $16,710 Building $187,320 |
| 2022 | $1,486.00 Homeowner's exemption Disabled Person's exemption Senior Citizen's exemption | $51,090 Land $4,180 Building $46,910 | $153,270 Land $12,540 Building $140,730 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 11820 E 400th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 17, 2025
| 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.
Wildfire risk around 11820 E 400th Ave 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 98% of the US · lower than 86% 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 | EJ WATER COOPERATIVE private · serves 29,720 people · EPA ID IL0790010 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2026 |
| Lead | 2 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 25 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.
Source: FCC Broadband Data Collection, based on 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Wabash Communications Fiber | 1,000 / 1,000 |
| GigFire Fixed Wireless | 150 / 130 |
| Wisper ISP Fixed Wireless | 100 / 20 |
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