Cook County property record for 421 Courtesy Ln, Des Plaines, IL 60018
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,459 sqft · built 1963 |
| Lot Size | 0.169 acres (7,375 sqft) |
| Owner | Individual Name on File |
| Last Sale | $345,000 (Oct 2023) |
| Tax Bill | $1,798 (2023) |
| Deeds & Mortgages | Oct 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-24-307-003 |
| Primary APN | 08-24-307-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,459 sqft Living Area |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Split Level |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,375 sqft (0.169 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 421 COURTESY LN |
|---|---|
| City | DES PLAINES |
| State | IL |
| Zip | 60018-5509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | (OHARE) (PARK) SUB OF PT OF SH SW SEC 24-41-11 |
| Legal Range | 11E |
| Legal Township | 41N |
| Legal Section | 24 |
| Legal Subdivision | OHARE PARK |
| Legal Lot Number | 18 |
| Jurisdiction | COOK IL |
| Township / Civil Division | ELK GROVE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 805112 |
Source: Cook County records · APN 08-24-307-003
Assessment roll updated May 27, 2026 · Last verified July 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 | 4905 N PONTIAC AVE, NORRIDGE, IL 60706-3020 |
| Owner Type | Individual |
| Vesting | Unmarried Man |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 05, 2023 · Amount on Record |
| Deed Sale | Oct 05, 2023 · Amount on Record |
| Deed Document Number | 202349126 |
| Prior Transfer Date | Jun 24, 2009 |
| Prior Transfer Doc | 0000010004 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Oct 05, 2023 |
| Property Address | 421 COURTESY LN, DES PLAINES, IL 60018-5509 |
| Document Number | 0027849126 |
| Map Reference | DOC 2045064 |
| Instrument Date | Sep 25, 2023 |
| Instrument | 2327849126 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2023 |
| Title Company | CHICAGO TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $345.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 COURTESY LN, DES PLAINES, IL 60018-5509 |
| Document Number | 0027849127 |
|---|---|
| Date | Oct 05, 2023 |
| Instrument | 2327849127 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2053 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.62% |
| Document Number | 0027849128 |
|---|---|
| Date | Oct 05, 2023 |
| Instrument | 2327849128 |
| Name | ILLINOIS HOUSING DEVELOPMENT AUTHORITY |
|---|---|
| Type | Government Agency |
| Address | CHICAGO, IL 60601 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 61 Months |
| Due | Nov 01, 2028 |
Source: Cook County records · Assessment roll updated May 27, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Cook County |
| County Subdivision | Elk Grove Township |
| Municipality | Des Plaines City |
| Secondary School District | Township High School District 214 (09 - 12) |
| Elementary School District | Community Consolidated School District 59 (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 | $38,000 (+11.77%) Land $7,744 Building $30,256 | $380,000 (+11.77%) Land $77,440 Building $302,560 | |
| 2023 | $1,798.00 (+1.41%) | ||
| 2022 | $1,773.00 (-10.45%) | $33,999 (+89.14%) Land $6,637 Building $27,362 | $339,990 (+89.14%) Land $66,370 Building $273,620 |
| 2021 | $1,980.00 Homeowner's exemption Senior Citizen's exemption | $17,976 Land $4,425 Building $13,551 | $179,760 Land $44,250 Building $135,510 |
Source: FEMA National Flood Hazard Layer as of February 11, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 8 (1989–2011) |
| Claims Outside the SFHA | 5 of 8 |
| Most Recent Claim | Jul 2011 · rainfall accumulation |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 282 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | DES PLAINES serves 60,675 people |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jan 2026 |
| Lead | 6 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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