Permit Record

MEP Mechanical HVAC

121 W Chestnut St, Chicago, IL

ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorOtis Elevator - Chicago
Permit record
Parties
Contractor
Otis Elevator - Chicago
Applicant
Not in source
Owner
121 W Chestnut Associates
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
1704448031
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
41.8979, -87.6322
Geocode confidence
90%
Geocode source
Not in source
Issued
Aug 13, 2025
Applied
Aug 13, 2025
Work class
Not in source
Description
Source description

MODERNIZATION WITH LOBBY PANEL INCLUDED ON TWO(2) 3500LB CAPACITY, 31-FLOOR, 500FPM(PASSENGER ELEVATORS(#1-2); ONE(1) 3500LB CAPACITY, 38-FLOOR, 500FPM, PASSENGER ELEVATOR(#3); ONE(1) 2500LB CAPACITY, 5-FLOOR, 150FPM, PASSENGER ELEVATOR(#4); AND ONE(1) 5000LB CAPACITY 2-FLOOR, 100FPM, PASSENGER ELEVATOR(#5), PURSUANT TO THE SCOPE OF WORK SUBMITTED.(EV018353)

Provenance
First seen by PermitCore
May 2, 2026 · 13:11 UTC
Last seen
May 15, 2026 · 08:49 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 1704448031) · Jul 9, 2010 – Aug 13, 2025

  1. Aug 13, 2025This permitMEP Mechanical HVACOtis Elevator - Chicago
  2. May 14, 2015100595125Alteration Residential$14,800
  3. Mar 13, 2014100530735Alteration Residential$14,800
  4. Sep 9, 2013100507841Alteration Residential$14,800
  5. Aug 14, 2012100453641Alteration Residential$23,600
  6. Jul 9, 2010100352688Alteration Residential$1,750

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

Other permits by Otis Elevator - Chicago

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

No other permits by this contractor in the indexed window.
Developer details
Permit #
101072997
Canonical ID
3:101072997
Source permit ID
101072997
Browse Chicago permits in the Market Explorer →Pull this permit via /v1/permits →