Cook County property record for 435 William St, Unit 407, River Forest, IL 60305
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2 ba · 1,884 sqft · built 2001 |
| Lot Size | 0.742 acres (32,316 sqft) |
| Owner | Individual Name on File |
| Last Sale | $390,000 (Mar 2023) |
| Tax Bill | $9,904 (2024) |
| Deeds & Mortgages | Mar 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-12-220-037-1027 |
| Primary APN | 15-12-220-037-1027 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 134 Units |
| Building Area | 1,884 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, 407 |
|---|---|
| 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 407 is owned by an individual who bought it in March 2023.
Source: Cook County records, as of August 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 7412 MADISON ST, 4, FOREST PARK, IL 60130-1560 |
| Owner Type | Individual |
| Vesting | Unmarried |
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 | Mar 27, 2023 · Amount on File |
| Deed Sale | Mar 27, 2023 · Amount on File |
| Deed Document Number | 202333451 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Mar 27, 2023 |
| Property Address | 435 WILLIAM ST UNIT 407, 407, RIVER FOREST, IL 60305-1987 |
| Document Number | 0008633451 |
| Map Reference | DOC 10820941 |
| Instrument Date | Feb 27, 2023 |
| Instrument | 2308633451 |
| Transaction Type | Transfer |
| Record Updated | Apr 5, 2023 |
| Title Company | PROPER TITLE LLC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $390.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 435 WILLIAM ST # 907, 907, RIVER FOREST, IL 60305-1984 |
| Document Number | 0008633452 |
|---|---|
| Date | Mar 27, 2023 |
| Instrument | 2308633452 |
| Name | WATERMAN BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2053 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 5.75% |
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 | $34,780 Land $509 Building $34,271 | $347,800 Land $5,090 Building $342,710 | |
| 2024 | $9,904.00 (+4.02%) | ||
| 2023 | $9,521.00 (+2.54%) | ||
| 2022 | $9,285.00 | $28,754 Land $710 Building $28,044 | $287,540 Land $7,100 Building $280,440 |
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 407 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 407 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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