Permit Record

Alteration Residential

6639 S Sangamon St, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONResidential Alteration
Reliable value$10,000
ContractorGonzon Construction →
Permit record
Parties
Contractor
Gonzon Construction
Applicant
Not in source
Owner
Trinity Dishmon
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
2020228031
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
41.7731, -87.6481
Geocode confidence
90%
Geocode source
Not in source
Issued
Mar 11, 2011
Applied
Mar 11, 2011
Work class
Residential
Description
Source description

REPLACE EXISTING 2 STORY OPEN WOOD REAR PORCH PER ARCHITECTURAL PLANS.

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 12:54 UTC
Last seen
May 15, 2026 · 08:40 UTC
Last changed
May 12, 2026 · 00:27 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 2020228031) · Sep 9, 2008 – Jul 9, 2018

  1. Jul 9, 2018100771425Fence Wall$1,500David W Ansani
  2. Mar 11, 2011This permitAlteration Residential · Finaled$10,000Gonzon Construction
  3. Sep 9, 2008100256578MEP Electrical$8,000Customize Construction

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

Other permits by Gonzon Construction

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Developer details
Permit #
100384123
Canonical ID
3:100384123
Source permit ID
100384123
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