Cook County property record for 15 N William St, Mount Prospect, IL 60056 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1966 |
| Square Footage | 1,568 sqft Living Area |
| Lot Size | 11,368 sqft (0.261 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $350,000 (2018) |
| Tax Bill | $8,254.00 (2023) |
| Primary APN | 03-34-427-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,568 sqft Living Area |
| 1st Floor | 1,568 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Bungalow Style |
| Exterior Material | Brick/Stone (Brick and/or Stone) Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 11,368 sqft (0.261 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | HVAC Heating |
| Street Address | 15 N WILLIAM ST |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-2561 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Range | 11E |
| Legal Township | 42N |
| Legal Section | 34 |
| Legal Subdivision | PARK VIEW MANOR |
| Jurisdiction | COOK IL |
| Minor Civil Division | WHEELING |
| Census Blockgroup | 4 |
| Census Block | 4019 |
| Census Tract | 802802 |
Source: Cook County records · APN 03-34-427-001
Assessment roll updated May 27, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 15 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2561 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Nov 18, 2019 | Deed of Trust, Mortgage · Veterans Administration Mortgage LAKEVIEW LN SERVICING |
| Aug 08, 2018 | Warranty Deed, Transfer · Veterans Administration Mortgage JPMORGAN CHASE BK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 201857006 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | COOK IL |
| Property Address | 15 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2561 |
| Document Number | 1933708052 |
| Instrument Date | Nov 18, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2019 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SVCS |
| Name | Verified Name |
|---|---|
| Relationship | Tenant By Entirety |
| Address | 15 N WILLIAM ST MOUNT PROSPECT IL 600562561, MOUNT PROSPECT, IL 60056-2561 |
| Document Number | 1933708052 |
|---|---|
| Date | Dec 03, 2019 |
| Instrument | 33708052 |
| Name | LAKEVIEW LN SERVICING |
|---|---|
| Type | Funding / Finance Company |
| Address | CORAL GABLES, FL 33146 |
| Type | Veterans Administration Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 02, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.37% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Aug 08, 2018 |
| Property Address | 15 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2561 |
| Document Number | 1822057006 |
| Instrument Date | Jul 27, 2018 |
| Instrument | 22057006 |
| Transaction Type | Transfer |
| Record Updated | Aug 15, 2018 |
| Title Company | ATTORNEY'S TITLE |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $350.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenant By Entirety |
| Address | 630 W KATHLEEN DR DES PLAINES IL 600162556, DES PLAINES, IL 60016-2556 |
| Document Number | 1822057007 |
|---|---|
| Date | Aug 08, 2018 |
| Instrument | 22057007 |
| Name | JPMORGAN CHASE BK NA |
|---|---|
| Address | COLUMBUS, OH 43240-2050 |
| Type | Veterans Administration Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 07, 2048 |
Source: Cook County records · Assessment roll updated May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Wheeling 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) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $40,000 (+21.21%) Land $13,642 Building $26,358 | $400,000 (+21.21%) Land $136,420 Building $263,580 | |
| 2023 | $8,254.00 (+4.39%) | ||
| 2022 | $7,907.00 Homeowner's exemption | $33,000 Land $11,368 Building $21,632 | $330,000 Land $113,680 Building $216,320 |
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