Permit Record

Roofing

11255 S Michigan Ave, Chicago, IL

ClassificationRoofing
Reliable valueNot in source
ContractorK B Heating & Air Conditioning
Permit record
Parties
Contractor
K B Heating & Air Conditioning
Applicant
Not in source
Owner
East Lake Management
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
2522107014
Climate zone (IECC)
5A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
Not in source
Geocode & dates
Coordinates
41.6891, -87.6209
Geocode confidence
90%
Geocode source
Not in source
Issued
Jul 19, 2011
Applied
Jul 19, 2011
Work class
Not in source
Description
Source description

REPLACE TWO (2) EXISTING ROOFTOP UNIT 6 & 5 TON CARRIER.

Provenance
First seen by PermitCore
May 2, 2026 · 12:54 UTC
Last seen
May 15, 2026 · 08:41 UTC
Last changed
May 5, 2026 · 04:40 UTC

Open in Chicago source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
Project timeline at this parcel

2 permits at this parcel (parcel 2522107014) · Jul 15, 2011 – Jul 19, 2011

  1. Jul 19, 2011This permitRoofingK B Heating & Air Conditioning
  2. Jul 15, 2011100402840RoofingK B Heating & Air Conditioning

Full permit history at this parcel · as of Jul 8, 2026.

Other permits by K B Heating & Air Conditioning

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Developer details
Permit #
100403111
Canonical ID
3:100403111
Source permit ID
100403111
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