Madison County property record for 509 Marsh Ave, Alton, IL 62002
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 654 sqft · built 1946 |
| Lot Size | 0.106 acres (4,600 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,085 (2025) |
| APN | 23-2-08-18-07-202-017 |
| Primary APN | 23-2-08-18-07-202-017 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 654 sqft Living Area |
| Gross Area | 650 sqft |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Conventional |
| Exterior Material | Vinyl |
| Construction Type | Frame |
| Lot Area | 4,600 sqft (0.106 acres) |
| Lot Dimensions | 115 ft deep x 40 ft wide |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 509 MARSH AVE |
|---|---|
| City | ALTON |
| State | IL |
| Zip | 62002-1818 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SIRING PLACE SUBD LOT 21 40X115 |
| Legal Subdivision | SIRING PLACE SUBD |
| Legal Lot Number | 21 |
| Jurisdiction | MADISON IL |
| Township / Civil Division | ALTON |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 401500 |
509 Marsh 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 | 509 MARSH AVE, ALTON, IL 62002-1818 |
| 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 509 Marsh Ave was $1,085, up 8.9% 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 | $1,085.00 (+8.94%) | $13,560 Land $1,030 Building $12,530 | $40,680 Land $3,090 Building $37,590 |
| 2024 | $996.00 | ||
| 2022 | $351.00 | $10,010 Land $760 Building $9,250 | $30,060 Land $2,282 Building $27,778 |
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 509 Marsh Ave; there have been 4 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 | 4 (1979) |
| Most Recent Claim | Apr 1979 · rainfall accumulation |
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 509 Marsh 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 99.1% of the US · lower than 94% 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 | 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 510 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Wisper ISP.
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