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302 N William St, Mount Prospect, IL 60056 Property Records

Cook County property record for 302 N William St, Mount Prospect, IL 60056

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 833 sqft · built 1955
Lot Size0.2 acres (8,721 sqft)
OwnerIndividual Name on File
Last Sale$200,000 (Feb 2021)
Tax Bill$6,395 (2023)
Deeds & MortgagesFeb 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN03-34-419-016

Property Details

APN / Parcel Number

Primary APN03-34-419-016
Alternative APN
  • 03-34-419-016-0000

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area833 sqft Living Area
1st Floor Area833 sqft

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1956
Exterior MaterialWood
Construction TypeFrame
Roof MaterialAsphalt
Lot Area8,721 sqft (0.2 acres)
Garage TypeDetached
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address302 N WILLIAM ST
CityMOUNT PROSPECT
StateIL
Zip60056-2549
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Description(BLUETTS) SUB OF PT OF NH SE SEC 34-42-11
Legal Range11E
Legal Township42N
Legal Section34
Legal SubdivisionBLUETTS SUB
Legal Block2
Legal Lot Number7
JurisdictionCOOK IL
Township / Civil DivisionWHEELING
Census Block Group3
Census Block3000
Census Tract802802

Owner

302 N William St is owned and occupied by an individual who bought it in February 2021.

Source: Cook County records, as of May 27, 2026

Owner of RecordIndividual Name on File
Mailing Address302 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
OccupancyOwner Occupied
Owner TypeIndividual

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 SaleFeb 25, 2021 · Amount on File
Deed SaleFeb 25, 2021 · Amount on File
Prior SaleAug 4, 2010 · Amount on File
Deed Document Number20216293
Prior Transfer DateJan 28, 2021
Prior Transfer Doc0000006293
Record UpdatedOct 29, 2026

February 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionCOOK IL
Recording DateFeb 25, 2021
Property Address302 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number0005606293
Map ReferenceDOC 1464233
Instrument DateJan 28, 2021
Instrument2105606293
Transaction TypeTransfer
Record UpdatedApr 22, 2022
Title CompanyATTORNEY'S TITLE, ATTORNEYS TTL GUARANTY FUND

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$200.00
Amount AccuracyRounded by County

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address302 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549

Mortgage

Document Number0005606294
DateFeb 25, 2021
Instrument2105606294
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term180 Months
DueFeb 1, 2036

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateIllinois
CountyCook County
County SubdivisionWheeling Township
MunicipalityMount Prospect Village
Secondary School DistrictTownship High School District 214 (09 - 12)
Elementary School DistrictMount Prospect School District 57 (PK - 08)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$27,000 Land $7,849 Building $19,151$270,000 Land $78,490 Building $191,510
2023$6,395.00 (+4.02%)
2022$6,148.00$22,999 Land $6,322 Building $16,677$229,990 Land $63,220 Building $166,770

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 302 N William St in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1993.

Source: FEMA National Flood Hazard Layer, effective February 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 in force
Nearby Flood Claims9 (1993–2020)
Claims Outside the SFHA9 of 9
Most Recent ClaimMay 2020 · other causes
Claims by Event
  • Severe Storms And Flooding, Sep 2008 · 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 302 N William St 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 SystemMOUNT PROSPECT
serves 41,000 people · EPA ID IL0311980
Water SourcePurchased surface water from NORTHWEST SUBURBAN MUNICIPAL JAWA
Last State InspectionAug 2025
Lead2 ppb (2026–2028)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting11
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 579 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Verizon
Fixed Wireless		1,000 / 75
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

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