Cook County property record for 808 S William St, Mount Prospect, IL 60056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,244 sqft · built 1960 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $392,500 (Jul 2020) |
| Tax Bill | $8,132 (2023) |
| Deeds & Mortgages | Jul 2020 Sale & Mortgage Jul 2019 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-13-207-013 |
| Primary APN | 08-13-207-013 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,244 sqft Living Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1961 |
| 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 | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 808 S WILLIAM ST |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-4350 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 13 |
| Legal Subdivision | CLEARBROOK ESTATES SUB OF PT OF WH W |
| Legal Lot Number | 72 |
| Jurisdiction | COOK IL |
| Township / Civil Division | ELK GROVE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 804902 |
Source: Cook County records, as of May 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 808 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 29, 2020 | Warranty Deed, Subdivision Related Transfer · VA Mortgage FEDERAL SVGS BK |
| Jul 5, 2019 | Grant Deed, Transfer GREATER ILLINOIS TITLE COMPANY, GREATER ILLINOIS TITLE CO |
| Mar 19, 2019 | Trustee's Deed, Foreclosure ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 29, 2020 · Amount on Record |
| Deed Sale | Jul 29, 2020 · Amount on Record |
| Prior Sale | Jul 5, 2019 · Amount on Record |
| Deed Document Number | 20207618 |
| Prior Transfer Date | Feb 3, 1999 |
| Prior Transfer Doc | 0000000522 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Jul 29, 2020 |
| Property Address | 808 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 2021107618 |
| Instrument Date | Jun 9, 2020 |
| Instrument | 21107618 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Aug 12, 2020 |
| Title Company | GREATER ILLINOIS TITLE COMPANY, GREATER ILLINOIS TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $393.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 808 S WILLIAM ST MOUNT PROSPECT IL 600564350, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 2021107619 |
|---|---|
| Date | Jul 29, 2020 |
| Instrument | 21107619 |
| Name | FEDERAL SVGS BK |
|---|---|
| Type | Federal Savings Bank |
| Address | CHICAGO, IL 60607 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 28, 2050 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.75% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Jul 5, 2019 |
| Property Address | 808 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 1918613060 |
| Instrument Date | Jun 19, 2019 |
| Instrument | 18613060 |
| Transaction Type | Transfer |
| Record Updated | Jul 15, 2019 |
| Title Company | GREATER ILLINOIS TITLE COMPANY, GREATER ILLINOIS TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $234.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 808 S WILLIAM ST MOUNT PROSPECT IL 600564350, MOUNT PROSPECT, IL 60056-4350 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Mar 19, 2019 |
| Property Address | 808 S WILLIAM ST, MOUNT PROSPECT, IL 60056-4350 |
| Document Number | 1907845056 |
| Instrument Date | Mar 14, 2019 |
| Instrument | 7845056 |
| Transaction Type | Foreclosure |
| Record Updated | Mar 27, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 785061 ORLANDO FL 328785061, ORLANDO, FL 32878-5061 |
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 | $39,000 (+11.43%) Land $10,454 Building $28,546 | $390,000 (+11.43%) Land $104,540 Building $285,460 | |
| 2023 | $8,132.00 (-3.85%) | ||
| 2022 | $8,458.00 | $35,000 Land $8,712 Building $26,288 | $350,000 Land $87,120 Building $262,880 |
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 minimal risk |
|---|---|
| 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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