Cook County property record for 421 W Prospect Ave, Mount Prospect, IL 60056 · Last verified June 2026
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Mail Order, Show Room (Non-Auto) |
|---|---|
| Year Built | Built 1980 |
| Square Footage | 2,100 sqft Gross Area |
| Lot Size | 7,800 sqft (0.179 acres) |
| Last Sale | $215,000 (2020) |
| Tax Bill | $16,955.00 (2023) |
| Primary APN | 08-11-203-026 |
|---|---|
| Alternative APN |
|
| Building Area | 2,100 sqft Gross Area |
|---|---|
| Stories | 1 Stories |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 7,800 sqft (0.179 acres) |
| Street Address | 421 W PROSPECT AVE |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-3031 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail > Commercial Building, Warehouse, Mail Order, Show Room (Non-Auto) |
| Legal Description | (SMORONS) RESUB OF LTS 23-25 IN H ROY BERRY COS COLON IAL MANOR SUB IN PT OF NE OF SEC 11 & PT OF NW IN SEC 12 SE SEC 11-41-1 |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 11 |
| Legal Subdivision | ROY BERRY COS COLON IAL MANOR SUB |
| Legal Lot Number | 23-25 |
| Jurisdiction | COOK IL |
| Minor Civil Division | ELK GROVE |
| Census Blockgroup | 5 |
| Census Block | 5001 |
| Census Tract | 804901 |
Source: Cook County records · APN 08-11-203-026
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 | Company Name on File |
|---|---|
| Mailing Address | 421 W PROSPECT AVE, MOUNT PROSPECT, IL 60056-3031 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Oct 30, 2020 | Warranty Deed, Transfer · Line of Credit FIRST MIDWEST BK |
| Dec 12, 2019 | Warranty Deed, Transfer · Conventional Mortgage with Private Mortgage Insurance (PMI) FIRST MIDWEST BK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 30, 2020 · Amount on Record |
| Deed Sale | Oct 30, 2020 · Amount on Record |
| Prior Sale | Dec 12, 2019 · Amount on Record |
| Deed Doc Number | 20206297 |
| Prior Transfer Date | Sep 23, 2020 |
| Prior Transfer Doc | 0000006297 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Oct 30, 2020 |
| Property Address | 421 W PROSPECT AVE, MOUNT PROSPECT, IL 60056-3031 |
| Document Number | 2030406297 |
| Instrument Date | Sep 23, 2020 |
| Instrument | 30406297 |
| Transaction Type | Transfer |
| Record Updated | Nov 11, 2020 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $215.00 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 421 W PROSPECT AVE MOUNT PROSPECT IL 600563031, MOUNT PROSPECT, IL 60056-3031 |
| Document Number | 2030406298 |
|---|---|
| Date | Oct 30, 2020 |
| Instrument | 30406298 |
| Name | FIRST MIDWEST BK |
|---|---|
| Type | Bank |
| Address | CHICAGO, IL 60631-3655 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Dec 12, 2019 |
| Property Address | 421 W PROSPECT AVE, MOUNT PROSPECT, IL 60056-3031 |
| Document Number | 1934606039 |
| Instrument Date | Dec 06, 2019 |
| Instrument | 34606039 |
| Transaction Type | Transfer |
| Record Updated | Dec 27, 2019 |
| Title Company | HERITAGE TITLE COMPANY, HERITAGE TITLE CO. |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $215.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 421 W PROSPECT AVE MOUNT PROSPECT IL 600563031, MOUNT PROSPECT, IL 60056-3031 |
| Document Number | 1934606040 |
|---|---|
| Date | Dec 12, 2019 |
| Instrument | 34606040 |
| Name | FIRST MIDWEST BK |
|---|---|
| Type | Bank |
| Address | CHICAGO, IL 60631-3655 |
| Type | Conventional Mortgage with Private Mortgage Insurance (PMI) |
|---|---|
| Amount | Amount Recorded |
Source: Cook County records · Assessment roll updated May 27, 2026 · Last verified June 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) |
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 | $73,750 (+21.17%) Land $34,125 Building $39,625 | $295,000 (+21.17%) Land $136,500 Building $158,500 | |
| 2023 | $16,955.00 (+4.01%) | ||
| 2022 | $16,302.00 | $60,867 Land $29,250 Building $31,617 | $243,468 Land $117,000 Building $126,468 |
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