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435 William St, Unit 403, River Forest, IL 60305 Property Records

Cook County property record for 435 William St, Unit 403, River Forest, IL 60305

Property Summary

Property TypeCondominium
Details3 bd · 3 ba · 2,581 sqft · built 2001
Lot Size0.742 acres (32,316 sqft)
Owner2 Trust Names on File
Last Sale$385,000 (Jul 2021)
Tax Bill$13,569 (2024)
Deeds & MortgagesJul 2021 Sale
Aug 2018 Transfer
Flood ZoneZone X (minimal risk)
APN15-12-220-037-1023

Property Details

APN / Parcel Number

Primary APN15-12-220-037-1023

Interior

Bedrooms3 Beds
Full Baths3 Baths
Units134 Units
Building Area2,581 sqft Living Area

Exterior

Year BuiltBuilt 2001
Effective Year BuiltEffective 2001
Architectural StyleCondo/Apartment
Lot Area32,316 sqft (0.742 acres)

Location & Zoning

Street Address435 WILLIAM ST, 403
CityRIVER FOREST
StateIL
Zip60305-1987
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal Range12E
Legal Township39N
Legal Section12
Legal SubdivisionWILLIAM PLACE CONDOMINIUM
JurisdictionCOOK IL
Township / Civil DivisionRIVER FOREST
Census Block Group2
Census Block2009
Census Tract812000

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually ListedRiver Forest Historic District
listed 1977 · 620 contributing resources · NRIS 77000483

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

435 William St, Unit 403 is held in a trust since July 2024.

Source: Cook County records, as of August 18, 2026

Owner of Record2 Trust Names on File
Mailing Address435 WILLIAM ST, 403, RIVER FOREST, IL 60305-1987
Owner TypeCompany
VestingTrust

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

DateDocument
Jul 12, 2021Deed, Transfer
FIRST AMERICAN TITLE
Aug 27, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 12, 2021 · Amount on File
Deed SaleJul 12, 2021 · Amount on File
Prior SaleNov 20, 2001 · Amount on File
Deed Document Number20211040
Last Transfer DateJul 8, 2024
Transfer Doc0000024446
Record UpdatedSep 20, 2026

July 2021: Deed, Transfer

Document TypeDeed
JurisdictionCOOK IL
Recording DateJul 12, 2021
Property Address435 WILLIAM ST UNIT 403, 403, RIVER FOREST, IL 60305-1987
Document Number0019301040
Map ReferenceDOC 0010820941
Instrument DateMay 6, 2021
Instrument2119301040
Transaction TypeTransfer
Record UpdatedJul 26, 2021
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount on Record
Tax$385.00
Amount AccuracyRounded by County
Additional
  • Lis Pendens
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address435 WILLIAM ST UNIT 403, 403, RIVER FOREST, IL 60305-1987

August 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCOOK IL
Recording DateAug 27, 2018
Property Address435 WILLIAM ST UNIT 403, 403, RIVER FOREST, IL 60305-1987
Document Number1823945052
Instrument DateAug 13, 2018
Instrument23945052
Transaction TypeTransfer
Record UpdatedSep 5, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address435 WILLIAM ST #403 RIVER FOREST IL 603051987, 403, RIVER FOREST, IL 60305-1987

Tax Assessment & Valuation

Source: Cook County assessment roll, as of May 27, 2026

Property Jurisdictions

TypeName
StateIllinois
CountyCook County
County SubdivisionRiver Forest Township
MunicipalityRiver Forest Village
Secondary School DistrictOak Park and River Forest District 200 (09 - 12)
Elementary School DistrictRiver Forest School District 90 (PK - 08)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$47,650 Land $698 Building $46,952$476,500 Land $6,980 Building $469,520
2024$13,569.00 (+4.02%)
2023$13,044.00 (+2.55%)
2022$12,720.00 Homeowner's exemption Senior Citizen's exemption$39,393 Land $973 Building $38,420$393,930 Land $9,730 Building $384,200

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 435 William St, Unit 403 in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective February 11, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 435 William St, Unit 403 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 RiskNot 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 SystemRIVER GROVE
serves 10,282 people · EPA ID IL0312640
Water SourcePurchased surface water from several systems
Last State InspectionDec 2024
Lead6 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting2
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 498 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area		2,000 / 250

May also be available: T-Mobile, Verizon.

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