Cook County property record for 523 William St, River Forest, IL 60305
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,902 sqft · built 1923 |
| Lot Size | 0.189 acres (8,250 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $21,636 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-12-217-001 |
| Primary APN | 15-12-217-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,902 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1923 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 8,250 sqft (0.189 acres) |
| Garage Type | Detached |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Water Source | Commercial |
| Street Address | 523 WILLIAM ST |
|---|---|
| City | RIVER FOREST |
| State | IL |
| Zip | 60305-1921 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | (HARLEM) BEING (QUICKS) SUB OF PT OF NE SEC 12-39-12 |
| Legal Range | 12E |
| Legal Township | 39N |
| Legal Section | 12 |
| Legal Subdivision | HARLEM BEING QUICKS |
| Legal Block | 7 |
| Legal Lot Number | 13 |
| Jurisdiction | COOK IL |
| Township / Civil Division | RIVER FOREST |
| Census Block Group | 2 |
| Census Block | 2011 |
| 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.
Source: Cook County records, as of May 27, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 523 WILLIAM ST, RIVER FOREST, IL 60305-1921 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 23, 2004 |
| Transfer Doc | 0000049246 |
| Record Updated | Sep 20, 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 | $85,000 (+34.81%) Land $10,725 Building $74,275 | $850,000 (+34.81%) Land $107,250 Building $742,750 | |
| 2023 | $21,636.00 (+17.77%) | ||
| 2022 | $18,372.00 Homeowner's exemption Senior Citizen's exemption | $63,052 Land $9,281 Building $53,771 | $630,520 Land $92,810 Building $537,710 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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.
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