Permit Record

Alteration Commercial

2230 S Michigan Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable value$5,000
ContractorNorcon, INC. →
Permit record
Parties
Contractor
Norcon, INC.
Applicant
Not in source
Owner
Driehaus Enterprise Management, INC.
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
1721101020
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
41.8520, -87.6239
Geocode confidence
90%
Geocode source
Not in source
Issued
Oct 19, 2017
Applied
Aug 29, 2017
Work class
Commercial
Description
Source description

REVISION TO PERMIT # 100605410 TO REMOVE STAIR "E" FROM SCOPE OF WORK, CHANGE MEZZANINE ROOM M-001 FROM OFFICE TO STORAGE AND REMOVE ANY WORK TO THIS SPACE FROM THE PROJECT SCOPE. REVISE LIGHT FIXTURE DESIGN AND FIXTURE SCHEDULE IN CORRIDOR 01-001 ,EXHIBITS 01-003, CORRIDOR 01-004, STORAGE 01-005 & CORRIDOR 01-00 AND EXISTING GENERATOR TO BE REMOVED AS PER PLANS.(CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS)

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 13:02 UTC
Last seen
May 15, 2026 · 08:44 UTC
Last changed
May 5, 2026 · 04:40 UTC

Open in Chicago source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

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
  • Valuation is placeholder
Project timeline at this parcel

3 permits at this parcel (parcel 1721101020) · Sep 3, 2015 – Oct 19, 2017

  1. Oct 19, 2017This permitAlteration Commercial · Finaled$5,000Norcon, INC.
  2. Dec 3, 2015100624807Alteration Residential$628,000Mark 1 Restoration Company
  3. Sep 3, 2015100612705Alteration Residential$892,000Mark 1 Restoration Company

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

Other permits by Norcon, INC.

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 #
100721400
Canonical ID
3:100721400
Source permit ID
100721400
Browse Chicago permits in the Market Explorer →Pull this permit via /v1/permits →