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

Cook County property record for 308 N William St, Mount Prospect, IL 60056

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,321 sqft · built 1955
Lot Size0.2 acres (8,721 sqft)
OwnerIndividual Name on File
Last Sale$379,000 (Aug 2026)
Tax Bill$6,771 (2024)
Deeds & MortgagesAug 2026 Sale & Mortgage
Apr 2020 Mortgage
+ 4 more
Flood ZoneZone X (minimal risk)
APN03-34-419-013

Property Details

APN / Parcel Number

Primary APN03-34-419-013
Alternative APN
  • 03-34-419-013-0000

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,321 sqft Living Area
1st Floor Area1,321 sqft

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1956
Architectural StyleBungalow
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

Location & Zoning

Street Address308 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 Number4
JurisdictionCOOK IL
Township / Civil DivisionWHEELING
Census Block Group3
Census Block3000
Census Tract802802

Owner

308 N William St is owned by an individual who bought it in August 2026.

Source: Cook County records, as of September 1, 2026

Owner of RecordIndividual Name on File
Mailing Address301 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2548
Owner TypeIndividual
VestingSingle Woman

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
Aug 19, 2026Deed, Transfer · VA Mortgage
MORTGAGE CENTER LLC
Apr 7, 2020Deed of Trust, Mortgage · Conventional Mortgage
CALIBER HM LOANS
Jul 25, 2019Quit Claim Deed, Transfer
NOT AVAILABLE
Jan 28, 2019Grant Deed, Transfer · Conventional Mortgage
CHERRY CREEK MTG
Aug 29, 2018Deed of Trust, Mortgage · Conventional Mortgage
KAREN A & LARRY A PAXSON
Feb 23, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 19, 2026 · Amount on File
Deed SaleAug 19, 2026 · Amount on File
Prior SaleJan 28, 2019 · Amount on File
Deed Document Number202623119161
Prior Transfer DateMay 29, 2019
Prior Transfer Doc0000049275
Record UpdatedOct 29, 2026

August 2026: Deed, Transfer

Document TypeDeed
JurisdictionCOOK IL
Recording DateAug 19, 2026
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number0000019161
Instrument DateJul 30, 2026
Instrument202619161
Transaction TypeTransfer
Record UpdatedAug 25, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$57,418.50
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address301 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2548

Mortgage

Document Number0000019162,
DateAug 19, 2026
Instrument202623119162
Lender
NameMORTGAGE CENTER LLC
Agreement
TypeVA Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2056
Interest
Rate TypeAdjustable Rate
Rate5.38%
Initial TypeAdjustable Rate
AdjustableAdjustable Rate Rider
Max Rate-1%

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCOOK IL
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number2011403271
Instrument DateApr 7, 2020
Transaction TypeMortgage
Record UpdatedMay 7, 2020
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN MTG SOLUTIONS

Transferred To (Grantee/Buyer)

NameVerified Name
Address303 N WILLIAM ST MOUNT PROSPECT IL 600562548, MOUNT PROSPECT, IL 60056-2548

Mortgage

Document Number2011403271
DateApr 23, 2020
Instrument11403271
Lender
NameCALIBER HM LOANS
TypeFunding / Finance Company
AddressCOPPELL, TX 75019
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueApr 22, 2050

July 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCOOK IL
Recording DateJul 25, 2019
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number1920649275
Instrument DateApr 17, 2019
Instrument20649275
Transaction TypeTransfer
Record UpdatedJul 31, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address308 N WILLIAM ST MOUNT PROSPECT IL 600562549, MOUNT PROSPECT, IL 60056-2549

January 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCOOK IL
Recording DateJan 28, 2019
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number1902847005
Instrument DateJan 22, 2019
Instrument2847005
Transaction TypeTransfer
Record UpdatedFeb 5, 2019
Title CompanyBAIRD AND WARNER TITLE SERVICES INC, BAIRD & WARNER TITLE SVCS INC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$240.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address2627 E BEL AIRE DR ARLINGTON HEIGHTS IL 600046601, ARLINGTON HEIGHTS, IL 60004-6601

Mortgage

Document Number1902847006
DateJan 28, 2019
Instrument2847006
Lender
NameCHERRY CREEK MTG
TypeMortgage Company
AddressGREENWOOD VILLAGE, CO 80111
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJan 27, 2049

August 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCOOK IL
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number1824949194
Instrument DateAug 29, 2018
Transaction TypeMortgage
Record UpdatedSep 13, 2018
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address308 N WILLIAM ST MOUNT PROSPECT IL 600562549, MOUNT PROSPECT, IL 60056-2549

Mortgage

Document Number1824949194
DateSep 6, 2018
Instrument24949194
Lender
NameKAREN A & LARRY A PAXSON
Address117 AMHERST DR, BARTLETT, IL 60103-4640
Agreement
TypeConventional Mortgage
AmountAmount on Record
Interest
Rate2.3%

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCOOK IL
Recording DateFeb 23, 2017
Property Address308 N WILLIAM ST, MOUNT PROSPECT, IL 60056-2549
Document Number1705455183
Instrument DateFeb 13, 2017
Instrument5455183
Transaction TypeTransfer
Record UpdatedMar 6, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address308 N WILLIAM ST MOUNT PROSPECT IL 600562549, MOUNT PROSPECT, IL 60056-2549

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$33,000 Land $7,849 Building $25,151$330,000 Land $78,490 Building $251,510
2024$6,771.00 (+10.53%)
2023$6,126.00 (+4.92%)
2022$5,839.00 Homeowner's exemption Senior Citizen's exemption$27,999 Land $6,322 Building $21,677$279,990 Land $63,220 Building $216,770

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 308 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 308 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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