Permit Record

Alteration Residential

4817 N Nashville Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable value$5,500
ContractorGonzon Construction →
Permit record
Parties
Contractor
Gonzon Construction
Applicant
Not in source
Owner
Terrance O'Connor
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
1307422015
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
41.9690, -87.7915
Geocode confidence
90%
Geocode source
Not in source
Issued
Oct 30, 2014
Applied
Oct 30, 2014
Work class
Residential
Description
Source description

REPLACE A 1 STORY FRONT PORCH WITH NEW OPEN WOOD PORCH\STAIRS. LESS THAN 50 SQ. FT.

Provenance
First seen by PermitCore
May 2, 2026 · 12:58 UTC
Last seen
May 15, 2026 · 08:43 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

2 permits at this parcel (parcel 1307422015) · Jun 27, 2011 – Oct 30, 2014

  1. Oct 30, 2014This permitAlteration Residential$5,500Gonzon Construction
  2. Jun 27, 2011100400192Demolition$2,500

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

Other permits by Gonzon Construction

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Developer details
Permit #
100568060
Canonical ID
3:100568060
Source permit ID
100568060
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