503 Marsh Ave, Alton, IL 62002 Property Records

Madison County property record for 503 Marsh Ave, Alton, IL 62002

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 696 sqft · built 1946
Lot Size	0.106 acres (4,600 sqft)
Owner	Individual Name on File
Tax Bill	$477 (2025)
APN	`23-2-08-18-07-202-022`

Property Details

APN / Parcel Number

Primary APN	`23-2-08-18-07-202-022`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	696 sqft Living Area

Exterior

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
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC

Location & Zoning

Street Address	503 MARSH AVE
City	ALTON
State	IL
Zip	62002-1818
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SIRING PLACE SUBD LOT 16 40X115
Legal Subdivision	SIRING PLACE SUBD
Legal Lot Number	16
Jurisdiction	MADISON IL
Township / Civil Division	ALTON
Census Block Group	2
Census Block	2016
Census Tract	401500

Owner

Source: Madison County records · APN 23-2-08-18-07-202-022

Assessment roll updated June 25, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	503 MARSH AVE, ALTON, IL 62002-1818
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Jan 08, 2007
Transfer Doc	0000004246
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Madison County records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$477.00 (+21.99%)	$11,960 (+35.45%) Land $1,030 Building $10,930	$35,880 (+35.31%) Land $3,090 Building $32,790
2024	$391.00 (+42.18%)
2022	$275.00	$8,830 Land $760 Building $8,070	$26,516 Land $2,282 Building $24,234

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Not on file
Nearby Flood Claims	4 (1979)
Most Recent Claim	Apr 1979 · rainfall accumulation

Wildfire

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 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Wisper ISP.

Based on FCC filings for 510 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	IL AMERICAN-ALTON private · serves 46,127 people
Water Source	Surface water
Last State Inspection	Jan 2024
Lead	3 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.