1. Home
  2. Illinois
  3. Cook County
  4. Chicago
  5. S Prospect Ave

10940 S Prospect Ave, Chicago, IL 60643 Property Records

Cook County property record for 10940 S Prospect Ave, Chicago, IL 60643

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 936 sqft · built 1953
Lot Size0.287 acres (12,500 sqft)
OwnerCompany Name on File
Last Sale$117,000 (Apr 2010)
Tax Bill$1,837 (2023)
Flood ZoneZone X (minimal risk)
APN25-18-407-029

Property Details

APN / Parcel Number

Primary APN25-18-407-029
Alternative APN
  • 25-18-407-029-0000

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area936 sqft Living Area
1st Floor Area936 sqft

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1955
Exterior MaterialBrick/Stone
Construction TypeFrame
Foundation TypeSlab (Mat/Raft)
Roof MaterialAsphalt
Lot Area12,500 sqft (0.287 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC

Location & Zoning

Street Address10940 S PROSPECT AVE
CityCHICAGO
StateIL
Zip60643-3442
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRS-1
Legal DescriptionNORTHEASTERLY2 LOT8 BLK35 S18 T37N R14E 3P
Legal Range14E
Legal Township37N
Legal Section18
Legal SubdivisionWASHINGTON HEIGHTS
Legal Block35
Legal Lot Number8
JurisdictionCOOK IL
Township / Civil DivisionCHICAGO
Census Block Group2
Census Block2005
Census Tract750200

Historic Designation

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

Individually ListedRidge Historic District
listed 1976 · NRIS 76000703

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

Owner

10940 S Prospect Ave is owned by a company that bought it in April 2010.

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

Owner of RecordCompany Name on File
Mailing Address10940 S PROSPECT AVE, CHICAGO, IL 60643-3442
Owner TypeCompany

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 SaleApr 14, 2010 · Amount on File
Deed SaleApr 14, 2010 · Amount on File
Prior SaleOct 30, 2009
Deed Document Number201012122
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateIllinois
CountyCook County
MunicipalityChicago City
Unified School DistrictChicago Public School District 299 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$23,000 Land $15,625 Building $7,375$230,000 Land $156,250 Building $73,750
2023$1,837.00 (+3.84%)
2022$1,769.00 (+1.2%)$12,000 (-) Land $6,412 Building $5,588$120,000 (-) Land $64,120 Building $55,880
2021$1,748.00 Homeowner's exemption$12,000 Land $6,412 Building $5,588$120,000 Land $64,120 Building $55,880

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 10940 S Prospect Ave 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 10940 S Prospect Ave 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 SystemCHICAGO
serves 2,721,308 people · EPA ID IL0316000
Water SourceSurface water
Last State InspectionMar 2026
Lead6 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting8
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 503 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		300 / 20
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL in parts of the area		100 / 20

Nearby Properties on S Prospect Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures