DuPage County property record for 520 Executive Dr, #30, Willowbrook, IL 60527
| Property Type | General Industrial |
|---|---|
| Details | 22,687 sqft · built 1979 |
| Lot Size | 1.06 acres (46,609 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,523,500 (May 2002) |
| Tax Bill | $26,693 (2025) |
| Deeds & Mortgages | Jun 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-26-403-017 |
| Primary APN | 09-26-403-017 |
|---|
| Units | 2 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 22,687 sqft Total Area |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Lot Area | 46,609 sqft |
| Street Address | 520 EXECUTIVE DR, 30 |
|---|---|
| City | WILLOWBROOK |
| State | IL |
| Zip | 60527-5680 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | N |
| Legal Description | RESUB OF LOTS 3 & 4 & OF LT 1 OF RESUB OF LTS 1 & 2 OF WILLOWBROOK EXECUTIVE PLAZA ALL |
| Legal Subdivision | WILLOWBROOK EXECUTIVE PLAZA |
| Legal Lot Number | 1-4 |
| Jurisdiction | DU PAGE IL |
| Township / Civil Division | DOWNERS GROVE |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 845902 |
520 Executive Dr, #30 is owned by a company that bought it in May 2002.
Source: DuPage County records, as of August 17, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 520 EXECUTIVE DR, 30, WILLOWBROOK, IL 60527-5680 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | May 24, 2002 · Amount on File |
| Deed Sale | May 24, 2002 · Amount on File |
| Prior Sale | Oct 7, 1999 · Amount on File |
| Deed Document Number | 2002138227 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DU PAGE IL |
| Property Address | 520 EXECUTIVE DR # 30, 30, WILLOWBROOK, IL 60527-5680 |
| Transaction Type | Mortgage |
| Record Updated | Sep 21, 2022 |
| Title Company | GREATER ILLINOIS TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000062691 |
|---|---|
| Date | Jun 23, 2017 |
| Instrument | R2017-062691 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OSHKOSH, WI 54903 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 520 Executive Dr, #30 was $26,693.
Source: DuPage County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | DuPage County |
| County Subdivision | Downers Grove Township |
| Municipality | Willowbrook Village |
| Elementary School District | Gower School District 62 (KG - 08) |
| Secondary School District | Hinsdale Township High School District 86 (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $26,693.00 | $580,917 Land $163,536 Building $417,381 | $1,742,751 Land $490,608 Building $1,252,143 |
| 2022 | $22,545.00 | $458,270 Land $129,010 Building $329,260 | $1,374,810 Land $387,030 Building $987,780 |
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.
FEMA maps place 520 Executive Dr, #30 in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1996.
Source: FEMA National Flood Hazard Layer, effective September 1, 2025 · 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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1996) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 1996 · Severe Storms And Flooding |
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 520 Executive Dr, #30 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 | WILLOWBROOK serves 9,000 people · EPA ID IL0431100 |
|---|---|
| Water Source | Purchased surface water from DU PAGE WATER COMMISSION |
| Last State Inspection | Jun 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 6 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 102 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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