Cook County property record for 1427 William St, River Forest, IL 60305
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,852 sqft · built 1939 |
| Lot Size | 0.216 acres (9,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $885,000 (Mar 2023) |
| Tax Bill | $22,594 (2023) |
| Deeds & Mortgages | Mar 2023 Sale & Mortgage Aug 2021 Line of Credit + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-01-209-006 |
| Primary APN | 15-01-209-006 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,852 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 9,400 sqft (0.216 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Street Address | 1427 WILLIAM ST |
|---|---|
| City | RIVER FOREST |
| State | IL |
| Zip | 60305-1136 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | (ROSSELLS) (BONNIE) (BRAE) ADD TO (RIVER) FOREST A SU B OF NH EH OF NE SEC 01-39-12 |
| Legal Range | 12E |
| Legal Township | 39N |
| Legal Section | 01 |
| Legal Subdivision | ROSSELLS BONNIE BRAE ADD TO RIVER |
| Legal Block | 4 |
| Legal Lot Number | 5,6 |
| Jurisdiction | COOK IL |
| Township / Civil Division | RIVER FOREST |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 811900 |
1427 William St is owned and occupied by two individuals who bought it in March 2023.
Source: Cook County records, as of May 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Mar 22, 2023 | Warranty Deed, Transfer · Conventional Mortgage WINTRUST MORTGAGE |
| Aug 24, 2021 | Intrafamily Transfer, Transfer · Line of Credit ALLIANT CU |
| Jan 17, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 22, 2023 · Amount on File |
| Deed Sale | Mar 22, 2023 · Amount on File |
| Deed Document Number | 202346253 |
| Prior Transfer Date | Jun 1, 2021 |
| Prior Transfer Doc | 0000040067 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Mar 22, 2023 |
| Property Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Document Number | 0008146253 |
| Instrument Date | Mar 22, 2023 |
| Instrument | 2308146253 |
| Transaction Type | Transfer |
| Record Updated | Apr 5, 2023 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $885.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Document Number | 0008146254 |
|---|---|
| Date | Mar 22, 2023 |
| Instrument | 2308146254 |
| Name | WINTRUST MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.75% |
| Type Change Date | Apr 1, 2030 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 11.7% |
| Index | Other |
| Max Rate | 11.7% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Aug 24, 2021 |
| Property Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Document Number | 0023640067 |
| Instrument Date | Jun 1, 2021 |
| Instrument | 2123640067 |
| Transaction Type | Transfer |
| Record Updated | Sep 3, 2021 |
| Title Company | ATTORNEY ONLY, ATTORNEY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Document Number | 0023646195 |
|---|---|
| Date | Aug 24, 2021 |
| Instrument | 2123646195 |
| Name | ALLIANT CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Jan 17, 2020 |
| Property Address | 1427 WILLIAM ST, RIVER FOREST, IL 60305-1136 |
| Document Number | 2001713009 |
| Instrument Date | Nov 20, 2019 |
| Instrument | 1713009 |
| Transaction Type | Transfer |
| Record Updated | Feb 3, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 1427 WILLIAM ST RIVER FOREST IL 603051136, RIVER FOREST, IL 60305-1136 |
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 | $88,500 Land $14,335 Building $74,165 | $885,000 Land $143,350 Building $741,650 | |
| 2023 | $22,594.00 (+36.61%) | ||
| 2022 | $16,539.00 | $57,374 Land $12,455 Building $44,919 | $573,740 Land $124,550 Building $449,190 |
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 1427 William St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.
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 (1979) |
| Most Recent Claim | May 1979 · tidal / storm surge |
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.
The area around 1427 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 565 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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