Cook County property record for 1231 William St, River Forest, IL 60305
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 4,611 sqft · built 1996 |
| Lot Size | 0.343 acres (14,918 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,410,000 (Aug 2013) |
| Tax Bill | $39,312 (2024) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-01-220-019 |
| Primary APN | 15-01-220-019 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 4,611 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Multi-Level |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 14,918 sqft (0.343 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 1231 WILLIAM ST |
|---|---|
| City | RIVER FOREST |
| State | IL |
| Zip | 60305-1100 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | PRIORY ESTATES RESUB IV |
| Legal Lot Number | 1 |
| Jurisdiction | COOK IL |
| Township / Civil Division | RIVER FOREST |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 811900 |
1231 William St is owned and occupied by two individuals who bought it in August 2013.
Source: Cook County records, as of October 16, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1231 WILLIAM ST, RIVER FOREST, IL 60305-1100 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 8, 2013 · Amount on File |
| Deed Sale | Aug 8, 2013 · Amount on File |
| Deed Document Number | 201334028 |
| Prior Transfer Date | Jun 19, 1995 |
| Prior Transfer Doc | 0000000170 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | COOK IL |
| Property Address | 1231 WILLIAM ST, RIVER FOREST, IL 60305-1100 |
| Document Number | 2102240008 |
| Instrument Date | Aug 25, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 2, 2021 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 1231 WILLIAM ST RIVER FOREST IL 603051100, RIVER FOREST, IL 60305-1100 |
| Document Number | 2102240008 |
|---|---|
| Date | Jan 22, 2021 |
| Instrument | 2240008 |
| Name | WELLS FARGO BK |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Jan 21, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
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 | $142,000 Land $22,750 Building $119,250 | $1,420,000 Land $227,500 Building $1,192,500 | |
| 2024 | $39,312.00 (+4.04%) | ||
| 2023 | $37,784.00 (+8.46%) | ||
| 2022 | $34,837.00 Homeowner's exemption | $111,986 Land $19,766 Building $92,220 | $1,119,860 Land $197,660 Building $922,200 |
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 1231 William St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2015.
Source: FEMA National Flood Hazard Layer, effective February 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2015) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2015 · rainfall accumulation |
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.
Wildfire risk around 1231 William St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 86% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 625 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 | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
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