Permit Record

Alteration Commercial

1837 S Michigan Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable value$436,000
ContractorBlackwood Group LLC Series Blackwood Construction →
Permit record
Parties
Contractor
Blackwood Group LLC Series Blackwood Construction
Applicant
Not in source
Owner
Hilda Renteria
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
1722307010
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
41.8569, -87.6238
Geocode confidence
90%
Geocode source
Not in source
Issued
Nov 16, 2020
Applied
Nov 16, 2020
Work class
Commercial
Description
Source description

THE CLASS E BUSINESS ON THE 1ST FLOOR OF THIS 2 STORY BUILDING WILL HAVE AN INTERIOR RENOVATION, REMAINING AS A CLASS E BUSINESS. MOST OF THE WORK WILL BE DESIGN WORK, BUT WILL ALSO UPDATE THE FIRST FLOOR'S PLUMBING AND MECHANICAL SYSTEM. WINDOW PERFORATIONS WILL BE ADDED ON THE FIRST FLOOR, FACING THEIR BUILDING'S PRIVATE PARKING LOT.

Status
Current status
expired
Source status
EXPIRED
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 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

5 permits at this parcel (parcel 1722307010) · Sep 26, 2008 – Nov 28, 2023

  1. Nov 28, 2023101027882Alteration Commercial · Finaled$100,000Rocca Construction CORP
  2. Nov 16, 2020This permitAlteration Commercial · Expired$436,000Blackwood Group LLC Series Blackwood Construction
  3. May 8, 2019100818683MEP Mechanical HVAC$57,000Home Mobility Solutions INC.
  4. Sep 8, 2015100580203Alteration Commercial · Finaled$50,000Tolan Construction Company, INC
  5. Sep 26, 2008100259728Roofing$16,500Corisco Construction Corporation

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

Other permits by Blackwood Group LLC Series Blackwood Construction

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Developer details
Permit #
100854571
Canonical ID
3:100854571
Source permit ID
100854571
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