Permit Record

MEP Plumbing

121 W Wacker Dr, Chicago, IL

ClassificationPlumbing
Reliable valueNot in source
ContractorLeopardo Construction INC →
Permit record
Parties
Contractor
Leopardo Construction INC
Applicant
Not in source
Owner
221 N. Lasalle, LLC
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
1709419009
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
41.8867, -87.6316
Geocode confidence
90%
Geocode source
Not in source
Issued
Oct 23, 2015
Applied
Oct 23, 2015
Work class
Not in source
Description
Source description

REVISION TO PERMIT #100598174 TO CHANGE THE GENERAL CONTRACTOR TO LEOPARDO COMPANIES, INC. HVAC TO MEHANICAL CONCEPTS OF ILLINOIS. PLUMBER TO HOGAN PLUMBING.

Provenance
First seen by PermitCore
May 2, 2026 · 12:59 UTC
Last seen
May 15, 2026 · 08:43 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 1709419009) · Oct 23, 2015 – Jul 15, 2021

  1. Jul 15, 2021100929231Alteration Residential$233,865Mertes Contracting Corporation
  2. Feb 13, 2018100747305MEP PlumbingJc Anderson INC
  3. Jan 16, 2018100742719Alteration Commercial · Finaled$88,625Jc Anderson INC
  4. Oct 23, 2015This permitMEP PlumbingLeopardo Construction INC
  5. Oct 23, 2015100620359MEP PlumbingLeopardo Construction INC
  6. Oct 23, 2015100620353MEP PlumbingLeopardo Construction INC

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

Other permits by Leopardo Construction INC

Showing up to 12 most-recent permits by this contractor in the indexed window

Developer details
Permit #
100620360
Canonical ID
3:100620360
Source permit ID
100620360
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