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305 Oak Brook Rd, Oak Brook, IL 60523 Property Records

DuPage County property record for 305 Oak Brook Rd, Oak Brook, IL 60523

Property Summary

Property TypeSingle Family Home
Details5 bd · 7 ba · 24,196 sqft · built 1959
Lot Size3.46 acres (150,718 sqft)
OwnerTrust Name on File
Last Sale$2,200,000 (Oct 2014)
Tax Bill$86,665 (2025)
Deeds & MortgagesJan 2019 Line of Credit
Flood ZoneZone X (minimal risk)
APN06-36-200-020

Property Details

APN / Parcel Number

Primary APN06-36-200-020

Interior

Bedrooms5 Beds
Full Baths7 Baths
Half Baths2 Half Baths
Total Rooms14 Rooms
Stories1 Story
Building Area24,196 sqft Living Area
Gross Area35,971 sqft
1st Floor Area11,775 sqft
2nd Floor Area12,421 sqft
Basement Area11,775 sqft
Fireplaces5 Fireplaces
FireplaceFireplace

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1959
Architectural StyleRanch
Exterior MaterialBrick
Construction TypeBrick
Lot Area150,718 sqft
Lot Dimensions61.5 ft deep x 25 ft wide
Garage TypeAttached
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address305 OAK BROOK RD
CityOAK BROOK
StateIL
Zip60523-2317
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR
Legal DescriptionYORK TWP SUPV ASSMT PLAT 11
Legal SubdivisionYORK TWP SUPV ASSMT PLAT
Legal Lot Number6
JurisdictionDU PAGE IL
Township / Civil DivisionYORK
Census Block Group2
Census Block2019
Census Tract844601

Owner

305 Oak Brook Rd is owner-occupied and held in a trust since October 2014.

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

Owner of RecordTrust Name on File
Mailing Address305 OAK BROOK RD, OAK BROOK, IL 60523-2317
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable 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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 9, 2014 · Amount on File
Deed SaleOct 9, 2014 · Amount on File
Deed Document Number201493127
Record UpdatedOct 29, 2026

January 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDU PAGE IL
Property Address305 OAK BROOK RD, OAK BROOK, IL 60523-2317
Transaction TypeMortgage
Record UpdatedDec 14, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000003185
DateJan 15, 2019
InstrumentR2019-003185
Lender
NameTHE HUNTINGTON NATIONAL BANK
TypeBank
AddressCOLUMBUS, OH 43231
Agreement
TypeLine of Credit
AmountAmount on Record
Term359 Months
DueDec 19, 2048
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2025 property tax bill for 305 Oak Brook Rd was $86,665 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateIllinois
CountyDuPage County
County SubdivisionYork Township
MunicipalityOak Brook Village
Elementary School DistrictButler School District 53 (KG - 08)
Secondary School DistrictHinsdale Township High School District 86 (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$86,665.00$2,419,600 Land $550,831 Building $1,868,769$7,258,800 Land $1,652,493 Building $5,606,307
2022$26,055.00 Homeowner's exemption$702,000 Land $453,960 Building $248,040$2,106,000 Land $1,361,880 Building $744,120

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 305 Oak Brook Rd in Zone X, an area of minimal flood risk, though there have been 68 flood claims nearby since 1979.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 35 individual policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies256 units insured
incl. 221 condo units
Nearby Flood Claims68 (1979–2026)
Claims Outside the SFHA10 of 68
Most Recent ClaimJul 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

Wildfire risk around 305 Oak Brook Rd is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 94% of the US · lower than 65% of Illinois
Wildfire Likelihood0.02% annual chance
ExposureDirect
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 SystemOAK BROOK
serves 9,400 people · EPA ID IL0430700
Water SourcePurchased surface water from several systems
Last State InspectionJun 2024
LeadUnder 1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting3
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 62 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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