3 Oak Ct, Oak Brook, IL 60523 Property Records

DuPage County property record for 3 Oak Ct, Oak Brook, IL 60523

Property Summary

Property Type	Single Family Home
Details	6 bd · 8 ba · 6,957 sqft · built 2009
Lot Size	1.23 acres (54,014 sqft)
Owner	2 Trust Names on File
Last Sale	$4,000,000 (Dec 2024)
Tax Bill	$60,329 (2025)
Deeds & Mortgages	Jun 2022 Mortgage May 2022 Mortgage
Flood Zone	Zone AE (high risk)
APN	`06-36-404-058`

Property Details

APN / Parcel Number

Primary APN	`06-36-404-058`

Interior

Bedrooms	6 Beds
Full Baths	8 Baths
Half Baths	2 Half Baths
Total Rooms	18 Rooms
Stories	2 Stories
Building Area	6,957 sqft Living Area
Gross Area	11,231 sqft
1st Floor Area	3,450 sqft
2nd Floor Area	3,507 sqft
Basement Area	4,274 sqft
Fireplaces	5 Fireplaces
Fireplace	Fireplace

Exterior

Year Built	Built 2009
Effective Year Built	Effective 2009
Exterior Material	Brick
Construction Type	Brick
Lot Area	54,014 sqft
Garage Type	Attached
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3 OAK CT
City	OAK BROOK
State	IL
Zip	60523-2717
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R
Legal Description	AMENDED AND RESTATED PLAT OAK BROOK LAKES SUBDIVISION ALL
Legal Subdivision	AMENDED AND RESTATED PLAT OAK BROOK LAKE
Legal Lot Number	2
Jurisdiction	DU PAGE IL
Township / Civil Division	YORK
Census Block Group	2
Census Block	2051
Census Tract	844601

Owner

3 Oak Ct is held in a trust since December 2024.

Source: DuPage County records, as of August 17, 2026

Owner of Record	2 Trust Names on File
Mailing Address	10 S LA SALLE ST, 2750, CHICAGO, IL 60603-1108
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jun 10, 2022	Deed of Trust, Mortgage · Conventional Mortgage CORNERSTONE NATIONAL BANK & TRUST CO
May 27, 2022	Deed of Trust, Mortgage · Conventional Mortgage CORNERSTONE NATIONAL BANK & TRUST CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 9, 2024 · Amount on File
Deed Sale	Dec 9, 2024 · Amount on File
Prior Sale	Nov 30, 2015 · Amount on File
Deed Document Number	202473225
Prior Transfer Date	Feb 28, 2011
Prior Transfer Doc	0000061526
Record Updated	Sep 20, 2026

June 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DU PAGE IL
Property Address	3 OAK CT, OAK BROOK, IL 60523-2717
Transaction Type	Mortgage
Record Updated	Jun 27, 2022
Title Company	ACQUEST TITLE SERVICES LLC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000056370
Date	Jun 10, 2022
Instrument	R2022-056370

Lender

Name	CORNERSTONE NATIONAL BANK & TRUST CO
Type	Bank
Address	BARRINGTON, IL 60010

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Jun 1, 2029
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8%
Index	1-Year CMT
Max Rate	8%

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DU PAGE IL
Property Address	3 OAK CT, OAK BROOK, IL 60523-2717
Transaction Type	Mortgage
Record Updated	Jun 10, 2022
Title Company	ACQUEST TITLE SERVICES LLC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000052062
Date	May 27, 2022
Instrument	R2022-052062

Lender

Name	CORNERSTONE NATIONAL BANK & TRUST CO
Type	Bank
Address	BARRINGTON, IL 60010

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Jun 1, 2029
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8%
Index	1-Year CMT
Max Rate	8%

Tax Assessment & Valuation

The 2025 property tax bill for 3 Oak Ct was $60,329.

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

Property Jurisdictions

Type	Name
State	Illinois
County	DuPage County
County Subdivision	York Township
Municipality	Oak Brook Village
Elementary School District	Hinsdale Community Consolidated School District 181 (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	$60,329.00	$1,280,157 Land $276,996 Building $1,003,161	$3,840,471 Land $830,988 Building $3,009,483
2022	$52,230.00 Homeowner's exemption	$1,055,020 Land $228,280 Building $826,740	$3,165,060 Land $684,840 Building $2,480,220

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

FEMA maps place 3 Oak Ct in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective September 1, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 35 individual policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	256 units insured incl. 221 condo units
Nearby Flood Claims	68 (1979–2026)
Claims Outside the SFHA	10 of 68
Most Recent Claim	Jul 2026 · rainfall accumulation
Claims by Event	Severe Storms, Straight-line Winds, And Flooding, Apr 2013 · 34 claims Severe Storms And Flooding, Jul 2010 · 19 claims Severe Storms & Flooding, Aug 1987 · 2 claims

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

The area around 3 Oak Ct 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.

Drinking Water

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

Water System	OAK BROOK serves 9,400 people · EPA ID IL0430700
Water Source	Purchased surface water from several systems
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	3 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 94 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

May also be available: AT&T.

Nearby Properties on Oak Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures