421 S Main St, Mount Prospect, IL 60056 Property Records

Cook County property record for 421 S Main St, Mount Prospect, IL 60056 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1 Baths
Year Built	Built 1949
Square Footage	1,219 sqft Living Area
Lot Size	8,164 sqft (0.187 acres)
Garage	Detached
Last Sale	$169,000 (2012)
Tax Bill	$7,990.00 (2023)

Property Details

APN / Parcel Number

Primary APN	`08-12-303-025`
Alternative APN	`08-12-303-025-0000`

Interior

Bedrooms	3 Beds
Full Baths	1 Baths
Total Rooms	6 Rooms
Building Area	1,219 sqft Living Area
Stories	1 Stories

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1949
Architectural Style	Bungalow Style
Exterior Material	Brick/Stone (Brick and/or Stone) Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	8,164 sqft (0.187 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage

Utilities and HVAC

Cooling System	Central Cooling
Heating System	HVAC Heating

Location & Zoning

Street Address	421 S MAIN ST
City	MOUNT PROSPECT
State	IL
Zip	60056-3805
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	(MUELLERS) RESUB OF LTS 10 & 11 IN BLK 1 PROSPECT PAR K SUB NO 1 SUB OF WH OF N 60RDS OF SW SEC 12-41-11
Legal Range	11E
Legal Township	41N
Legal Section	12
Legal Subdivision	MUELLERS RESUB OF LTS 10 & 11 IN BLK 1
Legal Block	1
Legal Lot Number	10,11
Jurisdiction	COOK IL
Minor Civil Division	ELK GROVE
Census Blockgroup	6
Census Block	6000
Census Tract	804901

Owner

Source: Cook County records · APN 08-12-303-025

Assessment roll updated May 27, 2026 · Last verified June 2026

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

Owner of Record	Individual Name on File
Mailing Address	608 E OLD WILLOW RD, PROSPECT HEIGHTS, IL 60070-1913
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 22, 2012 · Amount on Record
Deed Sale	Aug 22, 2012 · Amount on Record
Deed Doc Number	201212054
Prior Transfer Date	Aug 08, 2006
Prior Transfer Doc	0000047072
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: Cook County records · Assessment roll updated May 27, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Illinois
County	Cook County
County Subdivision	Elk Grove Township
Municipality	Mount Prospect Village
Secondary School District	Township High School District 214 (09 - 12)
Elementary School District	Mount Prospect School District 57 (PK - 08)

Tax Bill & Assessment History

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$38,000 (+18.75%) Land $9,797 Building $28,203	$380,000 (+18.75%) Land $97,970 Building $282,030
2023	$7,990.00 (+4.39%)
2022	$7,654.00 Homeowner's exemption	$32,000 Land $8,164 Building $23,836	$320,000 Land $81,640 Building $238,360

Flood & Wildfire

421 S Main St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · Cook County (17031C), updated February 11, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach of burnable land

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