8140 Cass Ave, Darien, IL 60561 Property Records

DuPage County property record for 8140 Cass Ave, Darien, IL 60561

Property Summary

Property Type	Commercial
Details	6,408 sqft · built 1998
Lot Size	0.68 acres (29,621 sqft)
Owner	Company Name on Record
Last Sale	$1,200,500 (Aug 2026)
Tax Bill	$21,056 (2025)
Deeds & Mortgages	Aug 2026 Sale & Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`09-33-213-017`

Property Details

APN / Parcel Number

Primary APN	`09-33-213-017`

Interior

Stories	1 Story
Building Area	6,408 sqft Total Area

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1998
Lot Area	29,621 sqft (0.68 acres)

Location & Zoning

Street Address	8140 CASS AVE
City	DARIEN
State	IL
Zip	60561-5013
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	C
Legal Description	GLEN OAKS OFFICE PARK UNIT 1 ALL
Legal Subdivision	GLEN OAKS OFFICE PARK
Legal Lot Number	6
Legal Unit	1
Jurisdiction	DU PAGE IL
Township / Civil Division	DOWNERS GROVE
Census Block Group	5
Census Block	5007
Census Tract	845807

Owner

Source: DuPage County records, as of August 28, 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 Record
Mailing Address	1525 NORMAN DR, DARIEN, IL 60561-4433
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 19, 2026 · Amount on Record
Deed Sale	Aug 19, 2026 · Amount on Record
Prior Sale	Jul 26, 2023 · Amount on Record
Deed Document Number	202657219
Prior Transfer Date	Jun 15, 1998
Prior Transfer Doc	0000142633
Record Updated	Oct 29, 2026

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DU PAGE IL
Recording Date	Aug 19, 2026
Property Address	8140 CASS AVE, DARIEN, IL 60561-5013
Document Number	0000057219
Instrument Date	Aug 14, 2026
Instrument	202657219
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$181,875.75
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	1525 NORMAN DR, DARIEN, IL 60561-4433

Mortgage

Document Number	0000057220,
Date	Aug 19, 2026
Instrument	202657220

Lender

Name	BANK OF AMERICA

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Max Rate	-1%

Mortgage

Document Number	0000057221,
Date	Aug 19, 2026
Instrument	202657221

Lender

Name	BANK OF AMERICA

Agreement

Amount	Amount Recorded

Interest

Max Rate	-1%

Tax Assessment & Valuation

Source: DuPage County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Illinois
County	DuPage County
County Subdivision	Downers Grove Township
Municipality	Darien City
Elementary School District	Cass School District 63 (PK - 08)
Secondary School District	Hinsdale Township High School District 86 (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$21,056.00 (+2.4%)	$344,269 (+7.9%) Land $58,593 Building $285,676	$1,032,807 (+7.9%) Land $175,779 Building $857,028
2024	$20,562.00 (+13.41%)	$319,063 (+17.48%) Land $54,303 Building $264,760	$957,189 (+17.48%) Land $162,909 Building $794,280
2022	$18,130.00	$271,580 Land $46,220 Building $225,360	$814,740 Land $138,660 Building $676,080

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.

Flood

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	3 in force

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.

Wildfire

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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	DARIEN serves 21,751 people · EPA ID IL0430270
Water Source	Purchased surface water from DU PAGE WATER COMMISSION
Last State Inspection	Jun 2024
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 198 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL in parts of the area	100 / 20

May also be available: Metronet.

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