Cook County property record for 9446 William Rd, Rosemont, IL 60018
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 0.549 acres (23,919 sqft) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-10-101-043 |
| Primary APN | 12-10-101-043 |
|---|---|
| Alternative APN |
|
| Lot Area | 23,919 sqft |
|---|
| Street Address | 9446 WILLIAM RD |
|---|---|
| City | ROSEMONT |
| State | IL |
| Zip | 60018 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Range | 12E |
| Legal Township | 40N |
| Legal Section | 10 |
| Legal Quarter | NW |
| Legal Block | 2 |
| Jurisdiction | COOK IL |
| Township / Civil Division | LEYDEN |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 770700 |
9446 William Rd is owned by a company and is owner-occupied.
Source: Cook County records, as of April 8, 2024
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Occupancy | Owner Occupied |
|---|---|
| Owner Type | Company |
| Record Updated | Jun 7, 2026 |
|---|
Source: Cook County assessment roll, as of January 1, 2022
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Leyden Township |
| Municipality | Rosemont Village |
| Secondary School District | Leyden Community High School District 212 (09 - 12) |
| Elementary School District | Rosemont Elementary School District 78 (PK - 08) |
| Year | Tax Bill |
|---|---|
| 2022 | Additional exemption filed |
FEMA maps place 9446 William Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 11 (1979–2018) |
| Claims Outside the SFHA | 3 of 11 |
| Most Recent Claim | Feb 2018 · other causes |
| Claims by Event |
|
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 9446 William Rd 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 | ROSEMONT serves 3,952 people · EPA ID IL0312760 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 25 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless · DSL in parts of the area | 100 / 20 |
May also be available: Verizon.
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