3520 Spring Rd, Oak Brook, IL 60523 Property Records

DuPage County property record for 3520 Spring Rd, Oak Brook, IL 60523

Property Summary

Property Type	Single Family Home
Details	4,659 sqft · built 2017
Lot Size	1.01 acres (43,996 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,100,000 (Apr 2015)
Tax Bill	$34,748 (2025)
Deeds & Mortgages	Apr 2017 Mortgage Aug 2019 Loan Modification + 1 more
Flood Zone	Zone X (minimal risk)
APN	`06-36-300-065`

Property Details

APN / Parcel Number

Primary APN	`06-36-300-065`

Interior

Stories	2 Stories
Building Area	4,659 sqft Living Area
Gross Area	6,985 sqft
1st Floor Area	2,326 sqft
2nd Floor Area	2,333 sqft
Basement Area	2,326 sqft

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Construction Type	Brick
Lot Area	43,996 sqft
Garage Type	Attached

Location & Zoning

Street Address	3520 SPRING RD
City	OAK BROOK
State	IL
Zip	60523-2718
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R
Legal Description	MC MAHON & DUFFS SUB ALL
Legal Subdivision	MC MAHON & DUFFS SUB
Legal Lot Number	1
Jurisdiction	DU PAGE IL
Township / Civil Division	YORK
Census Block Group	2
Census Block	2057
Census Tract	844601

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	3520 SPRING RD, OAK BROOK, IL 60523-2718
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 24, 2017	Deed of Trust, Mortgage · ARM BNY MELLON NA
Aug 1, 2019	Loan Modification, Mortgage BNY MELLON NA
Feb 22, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 21, 2015 · Amount on Record
Deed Sale	Apr 21, 2015 · Amount on Record
Prior Sale	Jul 10, 2003 · Amount on Record
Deed Document Number	201541619
Last Transfer Date	Feb 17, 2017
Transfer Doc	0000018418
Record Updated	Sep 20, 2026

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DU PAGE IL
Property Address	3520 SPRING RD, OAK BROOK, IL 60523-2718
Transaction Type	Mortgage
Record Updated	Aug 5, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000038775
Date	Apr 24, 2017
Instrument	R2017-038775

Lender

Name	BNY MELLON NA
Type	Bank
Address	BOSTON, MA 02108

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.37%
Type Change Date	May 1, 2022
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.37%
Index	1-Year CMT
Max Rate	8.37%

August 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	DU PAGE IL
Property Address	3520 SPRING RD, OAK BROOK, IL 60523-2718
Document Number	0000077268
Instrument Date	Aug 1, 2019
Transaction Type	Mortgage
Record Updated	Sep 23, 2019
Title Company	ATTORNEY ONLY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	1101 FLORES DE AVILA TAMPA FL 336131075, TAMPA, FL 33613-1075

Mortgage

Document Number	0000077268
Date	Sep 5, 2019
Instrument	77268

Lender

Name	BNY MELLON NA
Type	Bank
Address	BOSTON, MA 02108

Agreement

Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2.87%

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	DU PAGE IL
Recording Date	Feb 22, 2017
Property Address	3520 SPRING RD, OAK BROOK, IL 60523-2718
Document Number	0000018418
Instrument Date	Feb 17, 2017
Instrument	18418
Transaction Type	Transfer
Record Updated	Mar 7, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	3520 SPRING RD OAK BROOK IL 605232718, OAK BROOK, IL 60523-2718

Tax Assessment & Valuation

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	$34,748.00 (+14.74%)	$740,744 (+21.34%) Land $191,697 Building $549,047	$2,222,232 (+21.34%) Land $575,091 Building $1,647,141
2022	$30,284.00 Homeowner's exemption	$610,460 Land $157,980 Building $452,480	$1,831,380 Land $473,940 Building $1,357,440

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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
Flood Insurance Cost	Premium on Record 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 74% of Illinois
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 60 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 DSL	100 / 20

May also be available: T-Mobile.

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