Permit Record

MEP Mechanical HVAC

3944 N Western Ave, Chicago, IL

ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorU.S. Refrigeration
Permit record
Parties
Contractor
U.S. Refrigeration
Applicant
Not in source
Owner
Pamela L. Becker
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
1324202040
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
41.9535, -87.6886
Geocode confidence
90%
Geocode source
Not in source
Issued
Sep 25, 2018
Applied
Sep 25, 2018
Work class
Not in source
Description
Source description

REMOVE AND REPLACE FOUR (4) HVAC ROOFTOP UNITS

Provenance
First seen by PermitCore
May 2, 2026 · 13:03 UTC
Last seen
May 15, 2026 · 08:45 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

6 permits at this parcel (parcel 1324202040) · Sep 21, 2018 – Jun 20, 2025

  1. Jun 20, 2025B200430483Fence Wall · Finaled$15,000
  2. May 1, 2025B200423471MEP Electrical · Finaled$1,367,600
  3. Jan 30, 2025101063811Alteration Commercial · Pending$500,000Capitol Construction Solutions, INC.
  4. Mar 24, 2020100868475Roofing$14,000Advanced Climate Solutions
  5. Sep 25, 2018This permitMEP Mechanical HVACU.S. Refrigeration
  6. Sep 21, 2018100784488MEP Mechanical HVACU.S. Refrigeration

Full permit history at this parcel · as of Jul 22, 2026.

Other permits by U.S. Refrigeration

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Developer details
Permit #
100784963
Canonical ID
3:100784963
Source permit ID
100784963
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