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Property overview

6131 N Leader Ave

Chicago, IL 60646

Who owns 6131 N Leader Ave, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordAndrzej JanuszMailing address: 6131 N Leader Ave, Chicago IL 60646Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Parcel 13-04-223-048-0000 · Public research profile
Motivated Seller IndexDRAFT MODEL
76/100
About 2.5 in 100 homes with these signals sold within six months (3.4× the Chicago rate)100% of model checks have usable evidence

A measured sell-signal score from public records: 3 positive signals observed. It is a base rate for homes like this, not a statement about this owner. How it works ↓

2024 aerial photo of the parcel at 6131 N Leader Ave, Chicago, IL
Aerial 2024 with parcel boundary · Cook County GIS
Assessed value$40,850.00 assessed (land $15,500.00 · building $43,500.00); Cook assesses class 2 at 10%, implying about $409,000.00 market value
Tax statusNot in the Clerk delinquent file
Ownership tenureSince December 2025
Property typeSingle-Family, 2 story, masonry (class 205)

THE INDEX

Why this MSI reads 76

Draft model

4 of 12 checked public signals observed, covering 100% of the model. The score is public; the signal-by-signal reasons, source documents, and owner details are in LienSuite.

Method and limits. MSI v0.2-chicago-2026-09 weights twelve public signals by how much each one changed the recorded six-month sale rate across all 566,000 Chicago homes, checked on a holdout the model never saw (the top 1% of homes by score sold at 4.8× the citywide rate): vacancy complaint +22, new-construction or demolition permit +17, renovation permit +16, unpermitted-work complaint +16, upkeep complaint +15, bought within the last two years +11, building-violation complaint +9, delinquent property tax +8, owner mails out of state +4, permit valued at $25,000 or more +4, owner mails to the property -5, owned for 20 years or more -10. The "in 100 homes" figure is the model's fitted probability for this combination of signals. It describes homes like this one in aggregate; it is not a claim about this owner's intentions, and it is not LienSuite's paid deal score.

THE RECORD

Property details

Dated sources
Property type
Single-Family, 2 story, masonry (class 205)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Owner of record
Andrzej Janusz (mailing address 6131 N Leader Ave, Chicago IL 60646)
Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Assessment year
2025
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Assessed value
$40,850.00 assessed (land $15,500.00 · building $43,500.00); Cook assesses class 2 at 10%, implying about $409,000.00 market value
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Living area
1,897 sq ft, full basement
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Beds and baths
3 beds · 1 bath + 1 half
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Year built
1940 (condition rated Average)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Lot size
5,000 sq ft
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Last recorded sale
$408,500.00 other deed, December 10, 2025
Observed Sep 19, 2026 · Cook County Assessor parcel sales (open data)
Building permits
Renovation/Alteration issued June 25, 2026: proposed 1 story northeast side addition, rear 2nd floor addition, and interior renovations in an existing 2 story sfr w/basement, per plans
Observed Sep 19, 2026 · City of Chicago Building Permits (open data)

Parcel reference: 13-04-223-048-0000. Facts reflect the listed observation dates and may have changed since then.

OWNERSHIP AND TAXES

Research snapshot

Observed tax balanceNot in the Clerk delinquent file
Delinquency period—
Last recorded transferDecember 10, 2025
Transfer amount$408,500.00

Observed Sep 19, 2026 · Cook County Clerk delinquent file (balance) and Assessor parcel sales (transfer). A tax balance is not proof that a property is for sale.

CHANGES OVER TIME

Property timeline

  1. Permit: Renovation/Alteration

    PROPOSED 1 STORY NORTHEAST SIDE ADDITION, REAR 2ND FLOOR ADDITION, AND INTERIOR RENOVATIONS IN AN EXISTING 2 STORY SFR W/BASEMENT, PER PLANS.

    City of Chicago Building Permits (open data) · checked Sep 19, 2026
  2. Recorded sale

    $408,500.00, other deed.

    Cook County Assessor parcel sales (open data) · checked Sep 19, 2026
  3. Recorded sale

    $1.00, quit claim deed.

    Cook County Assessor parcel sales (open data) · checked Sep 19, 2026

NEARBY

More records nearby

Facts on this page reflect their observation dates. Confirm the parcel and current records with the county before acting.