Cook County property record for 603 William St, River Forest, IL 60305
| Property Type | Vacant Land |
|---|---|
| Lot Size | 0.2 acres (888 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $885,000 (Jun 2023) |
| Tax Bill | $316 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-12-209-009 |
| Primary APN | 15-12-209-009 |
|---|---|
| Alternative APN |
|
| Lot Area | 888 sqft (0.2 acres) |
|---|
| Street Address | 603 WILLIAM ST |
|---|---|
| City | RIVER FOREST |
| State | IL |
| Zip | 60305-1923 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Legal Description | (SUBDIVISION) OF BLK12 IN QUICKS SUB OF PT OF NE OF S EC12 NE SEC 12-39-12 |
| Legal Range | 12E |
| Legal Township | 39N |
| Legal Section | 12 |
| Legal Subdivision | QUICKS SUB |
| Legal Block | 12 |
| Legal Lot Number | 29 |
| Jurisdiction | COOK IL |
| Township / Civil Division | RIVER FOREST |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 812000 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | River Forest Historic District listed 1977 · 620 contributing resources · NRIS 77000483 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
603 William St, vacant land, is owned by two individuals who bought it in June 2023.
Source: Cook County records, as of May 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 147 N EUCLID AVE, OAK PARK, IL 60302-2105 |
| 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 | Jun 9, 2023 · Amount on File |
| Deed Sale | Jun 9, 2023 · Amount on File |
| Prior Sale | Jan 25, 1996 · Amount on File |
| Deed Document Number | 202347083 |
| Prior Transfer Date | Aug 7, 1997 |
| Prior Transfer Doc | 0000000189 |
| Record Updated | Oct 29, 2026 |
Source: Cook County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | River Forest Township |
| Municipality | River Forest Village |
| Secondary School District | Oak Park and River Forest District 200 (09 - 12) |
| Elementary School District | River Forest School District 90 (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,154 Land $1,154 | $11,540 Land $11,540 | |
| 2023 | $316.00 (-1.86%) | ||
| 2022 | $322.00 | $999 Land $999 | $9,990 Land $9,990 |
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 603 William St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective February 11, 2026
| 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.
The area around 603 William St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | RIVER GROVE serves 10,282 people · EPA ID IL0312640 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Dec 2024 |
| Lead | 6 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 498 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures