Permit Record

MEP Mechanical HVAC

4511 S Troy St, Chicago, IL

ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorSafe Heating & Cooling, INC.
Permit record
Parties
Contractor
Safe Heating & Cooling, INC.
Applicant
Not in source
Owner
Miguel Alvarez
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
1901318004
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
41.8114, -87.7027
Geocode confidence
90%
Geocode source
Not in source
Issued
Sep 6, 2011
Applied
Sep 6, 2011
Work class
Not in source
Description
Source description

REVISION TO PERMIT # 100270376 TO CHANGE HVAC CONTRACTOR

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

3 permits at this parcel (parcel 1901318004) · Apr 17, 2009 – Sep 6, 2011

  1. Sep 6, 2011This permitMEP Mechanical HVACSafe Heating & Cooling, INC.
  2. Jul 14, 2011100402569MEP PlumbingT & M Plumbing Incorporated
  3. Apr 17, 2009100270376Alteration Residential · Finaled$50,000Garza Electrical, INC.

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

Other permits by Safe Heating & Cooling, INC.

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Developer details
Permit #
100409649
Canonical ID
3:100409649
Source permit ID
100409649
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