1635 W Pierce Ave 1
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 5 building violations (7y), above the Wicker Park average of 1.1.
What's in the 1635 W Pierce Ave 1 report
| Units | 2 |
|---|---|
| Year built | 1890 |
| Stories | — |
| Building area | 2,768 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 17062060140000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe two-unit residential building at 1635 W Pierce Ave 1 in Wicker Park, owned by Nicholas Achtien, has experienced several notable incidents over the past seven years. Most significantly, in September 2021, multiple complaint-driven inspections were conducted, resulting in four building code violations, though all were subsequently resolved. Prior to this, in summer 2019, there were two permit-related violations - one in late July and another in mid-August - both of which were also resolved. The building's maintenance record includes two 311 service requests: a rodent baiting complaint in May 2024 and a street light outage report in November 2025, both of which were closed. The property, dating back to 1890, has had a total of six building violations and two building permits recorded in the past seven years, along with two 311 service requests, though the street light issue would typically be handled by the city rather than immediate building management.
AI-generated · may contain errors · check the source data tables below
How 1635 W Pierce Ave 1'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 1722 buildings in this neighborhood, 1498 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.
1635 W Pierce Ave 1 apartment reviews
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1635 W Pierce Ave 1 event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 6 events
Full history back to 2019 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1635 W Pierce Ave 1 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.
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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