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Property overview

1721 W 21ST Pl 2

Chicago, IL 60608

Who owns 1721 W 21ST Pl 2, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordJose DiazMailing address: 4430 S Campbell, Chicago IL 60632Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Parcel 17-19-428-016-0000 · Public research profile
Motivated Seller IndexDRAFT MODEL
98/100
About 7.5 in 100 homes with these signals sold within six months (9.8× 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 1721 W 21ST Pl 2, Chicago, IL
Aerial 2024 with parcel boundary · Cook County GIS
Assessed value$34,001.00 assessed (land $11,563.00 · building $22,438.00); Cook assesses class 2 at 10%, implying about $340,000.00 market value
Tax statusNot in the Clerk delinquent file
Ownership tenureUnknown
Property typeMulti-Family, 2 story, frame (class 211)

THE INDEX

Why this MSI reads 98

Draft model

3 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
Multi-Family, 2 story, frame (class 211)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Owner of record
Jose Diaz (mailing address 4430 S Campbell, Chicago IL 60632)
Observed Sep 19, 2026 · Cook County Assessor parcel addresses (open data)
Assessment year
2026
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Assessed value
$34,001.00 assessed (land $11,563.00 · building $22,438.00); Cook assesses class 2 at 10%, implying about $340,000.00 market value
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Living area
1,344 sq ft, slab basement
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Beds and baths
3 beds · 2 bath
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Year built
1878 (condition rated Average)
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Lot size
3,125 sq ft
Observed Sep 19, 2026 · Cook County Assessor (open data + PIN page)
Building permits
Wrecking/Demolition issued October 21, 2025: wreck and remove a 2 story frame multi unit residence (previously demolished without a permit); New Construction issued December 1, 2025: spr 2019 cbc - new 3-story + basement 7-unit residential building per plans. type v-a construction as per plans**certified corrections subj
Observed Sep 19, 2026 · City of Chicago Building Permits (open data)
Open building violations
1 open violation since June 16, 2026: arrange for inspection
Observed Sep 19, 2026 · City of Chicago Building Violations (open data)
311 complaints
2 in the last 12 months: vacant/abandoned building complaint (1); building violation (1)
Observed Sep 19, 2026 · City of Chicago 311 Service Requests (open data)

Parcel reference: 17-19-428-016-0000. 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 transfer—
Transfer amount—

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. City inspection: 1 violation

    arrange for inspection.

    City of Chicago Building Violations (open data) · checked Sep 19, 2026
  2. Permit: New Construction

    SPR 2019 CBC - NEW 3-STORY + BASEMENT 7-UNIT RESIDENTIAL BUILDING PER PLANS. TYPE V-A CONSTRUCTION AS PER PLANS**CERTIFIED CORRECTIONS SUBJ.

    City of Chicago Building Permits (open data) · checked Sep 19, 2026
  3. Vacant/abandoned building complaint

    311 complaint, status Completed.

    City of Chicago 311 Service Requests (open data) · checked Sep 19, 2026
  4. Permit: Wrecking/Demolition

    WRECK AND REMOVE A 2 STORY FRAME MULTI UNIT RESIDENCE (PREVIOUSLY DEMOLISHED WITHOUT A PERMIT).

    City of Chicago Building Permits (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.