Madison County property record for 400 Emerald Ave, Alton, IL 62002
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 868 sqft · built 1952 |
| Lot Size | 0.112 acres (4,900 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $727 (2025) |
| APN | 23-2-07-02-17-304-041 |
| Primary APN | 23-2-07-02-17-304-041 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 868 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Roof Material | Shingle |
| Lot Area | 4,900 sqft (0.112 acres) |
| Lot Dimensions | 98 ft deep x 50 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Total Buildings | 2 Buildings |
| Heating System | HVAC |
|---|
| Street Address | 400 EMERALD AVE |
|---|---|
| City | ALTON |
| State | IL |
| Zip | 62002-3414 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOCKYERS ADD LOT 16 50X98 |
| Legal Subdivision | LOCKYERS ADDN |
| Legal Lot Number | 16 |
| Jurisdiction | MADISON IL |
| Township / Civil Division | ALTON |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 402200 |
400 Emerald Ave is owned and occupied by an individual.
Source: Madison County records, as of September 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 400 EMERALD AVE, ALTON, IL 62002-3414 |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 400 Emerald Ave was $727 with a homeowner's exemption, up 17.1% from the year before.
Source: Madison County assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Illinois |
| Municipality | Alton City |
| County | Madison County |
| County Subdivision | Alton Township |
| Unified School District | Alton Community Unit School District 11 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $727.00 (+17.07%) | $15,090 Land $1,250 Building $13,840 | $45,270 Land $3,750 Building $41,520 |
| 2024 | $621.00 | ||
| 2022 | $450.00 | $11,140 Land $920 Building $10,220 | $33,454 Land $2,763 Building $30,691 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 400 Emerald Ave; there have been 5 flood claims nearby since 1979.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Claims | 5 (1979–1993) |
| Most Recent Claim | Jul 1993 · Severe Storms & 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 400 Emerald Ave 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 71% of Illinois |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | IL AMERICAN-ALTON private · serves 46,127 people · EPA ID IL1195150 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | 3 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 167 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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