Cook County property record for 802 S William St, Mount Prospect, IL 60056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,272 sqft · built 1963 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $7,927 (2023) |
| Deeds & Mortgages | Jul 2026 Transfer Jul 2021 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 08-13-207-010 |
| Primary APN | 08-13-207-010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,272 sqft Living Area |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Split Level |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 802 S WILLIAM ST |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-4350 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | (CLEARBROOK) (ESTATES) SUB OF PT OF WH WH NE LYING N OF GOLF ROAD WH WH NE SEC 13-41-11 |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 13 |
| Legal Subdivision | CLEARBROOK ESTATES |
| Legal Lot Number | 75 |
| Jurisdiction | COOK IL |
| Township / Civil Division | ELK GROVE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 804902 |
Source: Cook County records, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 802 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jul 1, 2026 | Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT |
| Jul 1, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage FINANCE OF AMERICA MORTGAGE LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 11, 2021 |
| Transfer Doc | 0000046185 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Jul 1, 2026 |
| Property Address | 802 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 0000009025 |
| Instrument Date | May 11, 2026 |
| Instrument | 20269025 |
| Transaction Type | Transfer |
| Record Updated | Aug 30, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 802 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Jul 1, 2021 |
| Property Address | 802 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 0018246185 |
| Map Reference | DOC 10494973 |
| Instrument Date | May 11, 2021 |
| Instrument | 2118246185 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2021 |
| Title Company | OLD REPUBLIC NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 802 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 0018246186 |
|---|---|
| Date | Jul 1, 2021 |
| Instrument | 2118246186 |
| Name | FINANCE OF AMERICA MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 179 Months |
| Due | Jun 1, 2036 |
| Rate | 2.5% |
|---|
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 | $41,000 (+29.04%) Land $10,454 Building $30,546 | $410,000 (+29.04%) Land $104,540 Building $305,460 | |
| 2023 | $7,927.00 (+4.39%) | ||
| 2022 | $7,594.00 Homeowner's exemption | $31,773 Land $8,712 Building $23,061 | $317,730 Land $87,120 Building $230,610 |
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.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 | 16 (1978–2011) |
| Claims Outside the SFHA | 1 of 16 |
| Most Recent Claim | Jul 2011 · river or lake flooding |
| 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.
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 504 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 DSL · Fiber in parts of the area | 100 / 20 |
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