Permit Record

Alteration Residential

4540 W Haddon Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable value$77,350
ContractorBlackwood Group LLC Series Blackwood Construction →
Permit record
Parties
Contractor
Blackwood Group LLC Series Blackwood Construction
Applicant
Not in source
Owner
Ruben And Maria Osorio
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
1603302010
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
41.9016, -87.7406
Geocode confidence
90%
Geocode source
Not in source
Issued
Jul 22, 2020
Applied
Jul 21, 2020
Work class
Residential
Description
Source description

REVISION TO PERMIT#100864753 ALT. CODE APPROVAL: USE PVC SCHEDULE 40 FOR UNDERGROUND AND ABOVE GROUND , WASTE AND VENT

Provenance
First seen by PermitCore
May 2, 2026 · 13:06 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

3 permits at this parcel (parcel 1603302010) · Aug 20, 2014 – Jul 22, 2020

  1. Jul 22, 2020This permitAlteration Residential$77,350Blackwood Group LLC Series Blackwood Construction
  2. Mar 3, 2020100864753Alteration Commercial · Finaled$600,000Blackwood Group LLC Series Blackwood Construction
  3. Aug 20, 2014100556440Alteration Residential$25,000Airial Construction, INC

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 #
100883150
Canonical ID
3:100883150
Source permit ID
100883150
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