Cook County property record for 323 Leonard Ln, Mount Prospect, IL 60056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,789 sqft · built 1973 |
| Lot Size | 0.233 acres (10,148 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $399,000 (Nov 2020) |
| Tax Bill | $10,660 (2023) |
| Deeds & Mortgages | Nov 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-10-114-052 |
| Primary APN | 08-10-114-052 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,789 sqft Living Area |
| 1st Floor Area | 1,789 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Bungalow |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 10,148 sqft (0.233 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 323 LEONARD LN |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 10 |
| Legal Subdivision | ROPPOLOS WHITE OAK SUB |
| Legal Lot Number | 5 |
| Jurisdiction | COOK IL |
| Township / Civil Division | ELK GROVE |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 805110 |
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 | 323 S LEONARD LN, ARLINGTON HEIGHTS, IL 60005-3805 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 2, 2020 · Amount on Record |
| Deed Sale | Nov 2, 2020 · Amount on Record |
| Prior Sale | Feb 20, 2015 · Amount on Record |
| Deed Document Number | 202046014 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Nov 2, 2020 |
| Property Address | 323 S LEONARD LN, ARLINGTON HEIGHTS, IL 60005-3805 |
| Document Number | 2030546014 |
| Instrument Date | Aug 24, 2020 |
| Instrument | 30546014 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2020 |
| Title Company | BAIRD AND WARNER TITLE SERVICES INC, BAIRD & WARNER TITLE SVCS INC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $399.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 323 S LEONARD LN ARLINGTON HEIGHTS IL 600053805, ARLINGTON HEIGHTS, IL 60005-3805 |
| Document Number | 2030546015 |
|---|---|
| Date | Nov 2, 2020 |
| Instrument | 30546015 |
| Name | SUPREME LNDG |
|---|---|
| Address | DALLAS, TX 75254 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 1, 2050 |
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 |
| Elementary School District | Arlington Heights School District 25 (PK - 08) |
| Secondary School District | Township High School District 214 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $47,000 (+11.22%) Land $12,178 Building $34,822 | $470,000 (+11.22%) Land $121,780 Building $348,220 | |
| 2023 | $10,660.00 (+3.54%) | ||
| 2022 | $10,296.00 Homeowner's exemption | $42,260 Land $10,148 Building $32,112 | $422,600 Land $101,480 Building $321,120 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 94% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 458 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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