Cook County property record for 208 S William St, Mount Prospect, IL 60056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,044 sqft · built 1953 |
| Lot Size | 0.18 acres (7,850 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $3,193 (2023) |
| Deeds & Mortgages | Apr 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-12-215-017 |
| Primary APN | 08-12-215-017 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,044 sqft Living Area |
| 1st Floor Area | 1,044 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Bungalow |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,850 sqft (0.18 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 208 S WILLIAM ST |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-3325 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PART NE4 S12 T41N R11E 3P |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 12 |
| Legal Subdivision | MORNINGSIDE GARDENS |
| Legal Lot Number | 32 |
| Jurisdiction | COOK IL |
| Township / Civil Division | ELK GROVE |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 804901 |
Source: Cook County records, as of May 27, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 208 S WILLIAM ST, MOUNT PROSPECT, IL 60056-3325 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 14, 2001 |
| Deed Sale | Dec 14, 2001 |
| Deed Document Number | 200188549 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Apr 28, 2022 |
| Property Address | 208 S WILLIAM ST, MOUNT PROSPECT, IL 60056-3325 |
| Document Number | 0011804143 |
| Instrument Date | Apr 11, 2022 |
| Instrument | 2211804143 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | ATTORNEY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 10 S LA SALLE ST # ST2750, 10, CHICAGO, IL 60603-1002 |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 208 S WILLIAM ST, MOUNT PROSPECT, IL 60056-3325 |
Source: Cook County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Elk Grove Township |
| Municipality | Mount Prospect Village |
| Secondary School District | Township High School District 214 (09 - 12) |
| Elementary School District | Mount Prospect School District 57 (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $38,001 (+11.77%) Land $9,028 Building $28,973 | $380,010 (+11.77%) Land $90,280 Building $289,730 | |
| 2023 | $3,193.00 (-56.1%) | ||
| 2022 | $7,274.00 Homeowner's exemption Senior Citizen's exemption | $33,999 Land $7,457 Building $26,542 | $339,990 Land $74,570 Building $265,420 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2011 · river or lake flooding |
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.
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 | MOUNT PROSPECT serves 41,000 people · EPA ID IL0311980 |
|---|---|
| Water Source | Purchased surface water from NORTHWEST SUBURBAN MUNICIPAL JAWA |
| Last State Inspection | Aug 2025 |
| Lead | 2 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 11 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 612 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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