Cook County property record for 16 N William St, Mount Prospect, IL 60056 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1957 |
| Square Footage | 1,815 sqft Living Area |
| Lot Size | 11,364 sqft (0.261 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $357,000 (2019) |
| Tax Bill | $9,237.00 (2023) |
| Primary APN | 03-34-426-009 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,815 sqft Living Area |
| 1st Floor | 1,815 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Bungalow Style |
| Exterior Material | Brick/Stone (Brick and/or Stone) Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 11,364 sqft (0.261 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | HVAC Heating |
| Street Address | 16 N WILLIAM ST |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-2562 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Range | 11E |
| Legal Township | 42N |
| Legal Section | 34 |
| Legal Subdivision | PARK VIEW MANOR |
| Legal Lot Number | 33 |
| Jurisdiction | COOK IL |
| Minor Civil Division | WHEELING |
| Census Blockgroup | 4 |
| Census Block | 4018 |
| Census Tract | 802802 |
Source: Cook County records · APN 03-34-426-009
Assessment roll updated May 27, 2026 · Last verified August 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 | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| May 27, 2022 | Deed of Trust, Mortgage · Line of Credit THE HUNTINGTON NATIONAL BANK |
| Sep 03, 2020 | Deed of Trust, Mortgage · Conventional Mortgage with Private Mortgage Insurance (PMI) KEY MTG SVCS |
| Oct 07, 2019 | Warranty Deed, Transfer · Conventional Mortgage KEY MTG SVCS |
| Apr 30, 2019 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Apr 30, 2019 | Warranty Deed, Transfer ATTORNEY ONLY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 07, 2019 · Amount on Record |
| Deed Sale | Oct 07, 2019 · Amount on Record |
| Prior Sale | Oct 01, 2014 · Amount on Record |
| Deed Doc Number | 201946243 |
| Prior Transfer Date | Aug 13, 2014 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | COOK IL |
| Property Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Transaction Type | Mortgage |
| Record Updated | Jun 20, 2022 |
| Name | Verified Name |
|---|---|
| Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 0014755010 |
|---|---|
| Date | May 27, 2022 |
| Instrument | 2214755010 |
| Name | THE HUNTINGTON NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43231 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 04, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | COOK IL |
| Property Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 2100817455 |
| Instrument Date | Sep 03, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jan 18, 2021 |
| Title Company | CITYWIDE TITLE CORPORATION, CITYWIDE TITLE CORP |
| Name | Verified Name |
|---|---|
| Relationship | Tenant By Entirety |
| Address | 16 N WILLIAM ST MOUNT PROSPECT IL 600562562, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 2100817455 |
|---|---|
| Date | Jan 08, 2021 |
| Instrument | 817455 |
| Name | KEY MTG SVCS |
|---|---|
| Type | Mortgage Company |
| Address | SCHAUMBURG, IL 60173 |
| Type | Conventional Mortgage with Private Mortgage Insurance (PMI) |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 07, 2051 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 2.87% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Oct 07, 2019 |
| Property Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 1928046243 |
| Instrument Date | Sep 30, 2019 |
| Instrument | 28046243 |
| Transaction Type | Transfer |
| Record Updated | Oct 21, 2019 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $357.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenant By Entirety |
| Address | 200 N WILLIAM ST MOUNT PROSPECT IL 600562547, MOUNT PROSPECT, IL 60056-2547 |
| Document Number | 1928047036 |
|---|---|
| Date | Oct 07, 2019 |
| Instrument | 28047036 |
| Name | KEY MTG SVCS |
|---|---|
| Type | Mortgage Company |
| Address | SCHAUMBURG, IL 60173 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 06, 2049 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.5% |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Apr 30, 2019 |
| Property Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 1912049057 |
| Instrument Date | Feb 22, 2019 |
| Instrument | 12049057 |
| Transaction Type | Transfer |
| Record Updated | May 08, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 16 N WILLIAM ST MOUNT PROSPECT IL 600562562, MOUNT PROSPECT, IL 60056-2562 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Apr 30, 2019 |
| Property Address | 16 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2562 |
| Document Number | 1912049058 |
| Instrument Date | Feb 22, 2019 |
| Instrument | 12049058 |
| Transaction Type | Transfer |
| Record Updated | May 08, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 402 OWEN CT PROSPECT HEIGHTS IL 600701327, PROSPECT HEIGHTS, IL 60070-1327 |
Source: Cook County records · Assessment roll updated May 27, 2026 · Last verified August 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 | $45,000 (+2.59%) Land $13,637 Building $31,363 | $450,000 (+2.59%) Land $136,370 Building $313,630 | |
| 2023 | $9,237.00 (-14.57%) | ||
| 2022 | $10,812.00 Homeowner's exemption | $43,864 Land $11,364 Building $32,500 | $438,640 Land $113,640 Building $325,000 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures