7820 S Constance Ave
This building has a substantial enforcement record over the last seven years, and our model predicts continuing maintenance failures over the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.
This building has 20 building violations (7y), above the South Shore average of 5.9.
What's in the 7820 S Constance Ave report
| Units | 6 |
|---|---|
| Year built | 1919 |
| Stories | — |
| Building area | 7,779 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 20253280220000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe six-unit residential building at 7820 South Constance Avenue in Chicago's South Shore neighborhood has a recorded history spanning several decades, with significant recent activity worth noting. Built in 1919 and currently owned by Peter Morrison, the property has generated particular attention in the past two years, with a total of six complaint-driven inspection violations across three separate dates in 2025 (October and December), all of which have been resolved. Prior to these recent violations, the building had three 311 service requests related to building violations, with the most recent one submitted in August 2025, marking a concerning pattern of issues requiring city intervention.
AI-generated · may contain errors · check the source data tables below
How 7820 S Constance Ave's risk score is calculated
We trained a model on 7 years of Chicago code enforcement data — building violations, 311 complaint history, environmental enforcement, and owner track records. It estimates the probability that the City of Chicago will find a code violation at this address in the next 12 months. Lower % = safer.
What the score means for you
Lower risk — safer than most nearby
City inspectors rarely find violations here. Strong maintenance history and a clean complaint record.
Typical — about average for the neighborhood
Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.
Higher risk — riskier than most nearby
Elevated violation and complaint history. City inspectors have found issues here before and are statistically likely to again.
Out of 2804 buildings in this neighborhood, 1795 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.
violation
likely
What's driving this score
The data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.
7820 S Constance Ave apartment reviews
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7820 S Constance Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 9 events
Full history back to 2022 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 7820 S Constance Ave apartments
Chicago public datasets for this parcel — building violations, permits, 311 calls, environmental complaints and enforcement, scofflaw listings, and vacant building registrations.
What this is
Violations issued by the City of Chicago Department of Buildings against this parcel.
| Violation # | Date | Category | Status | Address |
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What this is
Violations issued for failure to register or maintain a vacant or abandoned building.
| Docket # | Violation # | Issued | Department | Type | Disposition | Total Fines |
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What this is
Building permits issued by the City of Chicago for new construction, alterations, and repairs at this parcel.
| Permit # | Issued | Status | Description |
|---|---|---|---|
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What this is
Chicago 311 service requests recorded at this parcel — maintenance complaints and quality-of-life requests.
| SR # | Created | Type | Department | Status |
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What this is
Environmental complaints filed about this property with the City of Chicago.
| Complaint # | Date | Type | Inspector | Resolution | Resolved |
|---|---|---|---|---|---|
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What this is
Formal environmental enforcement cases brought against this property.
| Case # | Date | Type | Violation | Disposition | Status | Fine |
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Cancel anytime · Data sourced from the City of Chicago Department of Buildings, Chicago 311, Cook County Assessor & the Chicago Data Portal