Permit Record

Alteration Residential

720 S Michigan Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable valueNot in source
ContractorAms Mechanical Systems INC →
Permit record
Parties
Contractor
Ams Mechanical Systems INC
Applicant
Not in source
Owner
John Howard
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
1716401009
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
41.8728, -87.6243
Geocode confidence
90%
Geocode source
Not in source
Issued
Aug 16, 2019
Applied
Aug 16, 2019
Work class
Residential
Description
Source description

REPLACE 2 MAKE -UP AIR UNITS

Provenance
First seen by PermitCore
May 2, 2026 · 13:05 UTC
Last seen
May 15, 2026 · 08:46 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

17 permits at this parcel (parcel 1716401009) · Nov 30, 2009 – Aug 16, 2019

  1. Aug 16, 2019This permitAlteration ResidentialAms Mechanical Systems INC
  2. Jul 12, 2018100763287Alteration Commercial · Finaled$100,000,000Lendlease (Us) Construction INC.
  3. May 11, 2018100744901Alteration Commercial · Finaled$100,000,000Lendlease (Us) Construction INC.
  4. Apr 6, 2018100709349New Construction Commercial · Finaled$12,000,000Lendlease (Us) Construction INC.
  5. Feb 23, 2018100742930Alteration Commercial · Finaled$250,000Lendlease (Us) Construction INC.
  6. Dec 28, 2017100714450Alteration Commercial · Finaled$100,000,000Lendlease (Us) Construction INC.
  7. Dec 28, 2017100714445Alteration Commercial · Finaled$10,000,000Lendlease (Us) Construction INC.
  8. Oct 13, 2017100728774New Construction Commercial · FinaledLendlease (Us) Construction INC.
  9. Aug 9, 2017100719955MEP Mechanical HVAC$2,387,000Otis Elevator - Lombard
  10. Mar 29, 2017100697835MEP Mechanical HVAC$92,000Usa Hoist Corporation
  11. Feb 6, 2017100672084New Construction Commercial · Finaled$50,000,000Lendlease (Us) Construction INC.
  12. Nov 17, 2016100667703Alteration Commercial · Finaled$1,600,000Lendlease (Us) Construction INC.
  13. Oct 19, 2016100674816New Construction Commercial · Finaled$100,000,000Lendlease (Us) Construction INC.
  14. Sep 6, 2016100668169Alteration ResidentialLendlease (Us) Construction INC.
  15. Aug 30, 2016100667054New Construction Residential Sf · Finaled$1,600,000Lendlease (Us) Construction INC.
  16. Dec 4, 2015100625366New Construction Commercial · Finaled$4,000,000Lendlease (Us) Construction INC.
  17. Nov 30, 2009100322000Fence Wall$3,500Jamie Musial Budget Pros

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

Other permits by Ams Mechanical Systems INC

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Developer details
Permit #
100836205
Canonical ID
3:100836205
Source permit ID
100836205
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