Cook County property record for 435 William St, Unit 401, River Forest, IL 60305
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 1,499 sqft · built 2001 |
| Lot Size | 0.742 acres (32,316 sqft) |
| Owner | Individual Name on File |
| Last Sale | $120,000 (Jul 2012) |
| Tax Bill | $7,576 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-12-220-037-1021 |
| Primary APN | 15-12-220-037-1021 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Units | 134 Units |
| Building Area | 1,499 sqft Living Area |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Condo/Apartment |
| Lot Area | 32,316 sqft (0.742 acres) |
| Street Address | 435 WILLIAM ST, 401 |
|---|---|
| City | RIVER FOREST |
| State | IL |
| Zip | 60305-1987 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Range | 12E |
| Legal Township | 39N |
| Legal Section | 12 |
| Legal Subdivision | WILLIAM PLACE CONDO |
| Jurisdiction | COOK IL |
| Township / Civil Division | RIVER FOREST |
| Census Block Group | 2 |
| Census Block | 2009 |
| 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.
435 William St, Unit 401 is owned by an individual who bought it in July 2012.
Source: Cook County records, as of May 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1728 MAGIC VALLEY LN, CEDAR HILL, TX 75104-8271 |
| 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 |
|---|---|
| Last Sale | Jul 12, 2012 · Amount on File |
| Deed Sale | Jul 12, 2012 · Amount on File |
| Deed Document Number | 201247068 |
| Prior Transfer Date | Sep 23, 2008 |
| Prior Transfer Doc | 0000039021 |
| 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 | $27,674 Land $405 Building $27,269 | $276,740 Land $4,050 Building $272,690 | |
| 2023 | $7,576.00 (+2.54%) | ||
| 2022 | $7,388.00 | $22,879 Land $565 Building $22,314 | $228,790 Land $5,650 Building $223,140 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 435 William St, Unit 401 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 435 William St, Unit 401 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.
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