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312 N Mason Ave, Chicago, IL 60644 Property Records

Cook County property record for 312 N Mason Ave, Chicago, IL 60644

Property Summary

Property TypeApartments (5+ Units)
Details12 bd · 4 ba · 5,054 sqft · built 1908
Lot Size0.17 acres (7,400 sqft)
Owner2 Company Names on File
Tax Bill$624 (2023)
Deeds & MortgagesSep 2025 Transfer
Flood ZoneZone X (minimal risk)
APN16-08-400-014

Property Details

APN / Parcel Number

Primary APN16-08-400-014
Alternative APN
  • 16-08-400-014-0000

Interior

Bedrooms12 Beds
Full Baths4 Baths
Total Rooms24 Rooms
Units4 Units
Stories2 Stories
Building Area5,054 sqft Living Area

Exterior

Year BuiltBuilt 1908
Effective Year BuiltEffective 1910
Architectural StyleMulti-Family
Exterior MaterialBrick/Stone
Construction TypeMasonry / Concrete Block
Roof MaterialTar & Gravel
Lot Area7,400 sqft (0.17 acres)
Garage TypeDetached
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water

Location & Zoning

Street Address312 N MASON AVE
CityCHICAGO
StateIL
Zip60644-2129
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Local Zoning CodeRT-4
Legal Description(SUBDIVISION) OF N PT BLK 16 IN AUSTINS SECOND ADD TO AUSTINVILLE SUB OF WH SE & WH NE EX E 15ACS NH WH NE & RR RW SEC 08-39-
Legal Range13E
Legal Township39N
Legal Section08
Legal SubdivisionAUSTINS SECOND ADD
Legal Block16
Legal Lot Number17
JurisdictionCOOK IL
Township / Civil DivisionCHICAGO
Census Block Group4
Census Block4003
Census Tract252000

Owner

312 N Mason Ave, a residential property, is owned by a company that acquired it in July 2024.

Source: Cook County records, as of September 28, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Company Names on File
Mailing Address312 N MASON AVE, CHICAGO, IL 60644-2129
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJul 22, 2024
Transfer Doc0000009025
Record UpdatedOct 29, 2026

September 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCOOK IL
Recording DateSep 30, 2025
Property Address312 N MASON AVE, CHICAGO, IL 60644-2129
Document Number0027309025
Instrument DateJul 22, 2024
Instrument2527309025
Transaction TypeTransfer
Record UpdatedOct 17, 2025
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address312 NMASON AVE, CHICAGO, IL 60644

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address312 N MASON AVE, CHICAGO, IL 60644-2129

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$41,000 Land $8,880 Building $32,120$410,000 Land $88,800 Building $321,200
2023$624.00 (-89.48%) Homeowner's exemption Senior Citizen's exemption$35,000 (-) Land $7,030 Building $27,970$350,000 (-) Land $70,300 Building $279,700
2022$5,932.00 Homeowner's exemption Senior Citizen's exemption$35,000 Land $7,030 Building $27,970$350,000 Land $70,300 Building $279,700

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 312 N Mason 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 312 N Mason 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 578 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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