Cook County property record for 421 N Elmhurst Ave, Mount Prospect, IL 60056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,199 sqft · built 1955 |
| Lot Size | 0.139 acres (6,046 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,585 (2023) |
| Deeds & Mortgages | Feb 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-34-128-001 |
| Primary APN | 03-34-128-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,199 sqft Living Area |
| 1st Floor Area | 1,199 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Bungalow |
| Exterior Material | Brick/Stone |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,046 sqft (0.139 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 421 N ELMHURST AVE |
|---|---|
| City | MOUNT PROSPECT |
| State | IL |
| Zip | 60056-2011 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Range | 11E |
| Legal Township | 42N |
| Legal Section | 34 |
| Legal Subdivision | CASTLE HTS/1ST ADD/R B CO |
| Legal Lot Number | 96 |
| Jurisdiction | COOK IL |
| Township / Civil Division | WHEELING |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 802802 |
421 N Elmhurst Ave is owned by two individuals who acquired it in February 2026.
Source: Cook County records, as of May 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 13248 STONEBRIDGE LN, HUNTLEY, IL 60142-7698 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 3, 2026 |
| Transfer Doc | 0000021009 |
| Record Updated | Sep 20, 2026 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | COOK IL |
| Recording Date | Feb 5, 2026 |
| Property Address | 421 N ELMHURST AVE, MOUNT PROSPECT, IL 60056-2011 |
| Document Number | 0003621009 |
| Instrument Date | Feb 3, 2026 |
| Instrument | 2603621009 |
| Transaction Type | Transfer |
| Record Updated | Feb 23, 2026 |
| Title Company | ATTORNEY ONLY, ATTORNEY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 13248 STONEBRIDGE LN, HUNTLEY, IL 60142-7698 |
Source: Cook County assessment roll, as of May 27, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $32,000 Land $7,255 Building $24,745 | $320,000 Land $72,550 Building $247,450 | |
| 2023 | $6,585.00 (+4.47%) Homeowner's exemption | $27,000 (-) Land $6,046 Building $20,954 | $270,000 (-) Land $60,460 Building $209,540 |
| 2022 | $6,303.00 Homeowner's exemption | $27,000 Land $6,046 Building $20,954 | $270,000 Land $60,460 Building $209,540 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 N Elmhurst Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1987.
Source: FEMA National Flood Hazard Layer, effective February 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1987–2011) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Jul 2011 · rainfall accumulation |
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.
The area around 421 N Elmhurst Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 624 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile.
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