Permit Record

Alteration Commercial

3931 N Pontiac Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable value$25,000
ContractorGsj Construction, LLC
Permit record
Parties
Contractor
Gsj Construction, LLC
Applicant
Not in source
Owner
Grzegorz Jopek
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
1223201015
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
41.9512, -87.8353
Geocode confidence
90%
Geocode source
Not in source
Issued
Jan 11, 2023
Applied
Sep 19, 2022
Work class
Commercial
Description
Source description

SPR 2019 CBRC - INTERIOR RENOVATION, DRYWALL REPLACEMENT, PLUMBING FIXTURES REPLACEMENT, WATER HEATER REPLACEMENT, FRONT STAIRS REPAIRS, AND NEW CANOPY ON THE BACK AS PER PLANS**CERTIFIED CORRECTIONS SUBJECT TO FIELD INSPECTIONS & AUDIT **

Status
Current status
expired
Source status
EXPIRED
Provenance
First seen by PermitCore
May 2, 2026 · 13:08 UTC
Last seen
Jul 1, 2026 · 12:14 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

4 permits at this parcel (parcel 1223201015) · Nov 10, 2021 – Jan 11, 2023

  1. Jan 11, 2023This permitAlteration Commercial · Expired$25,000Gsj Construction, LLC
  2. May 4, 2022100970338MEP Mechanical HVACArlington Heating & Cooling
  3. May 4, 2022100970262Alteration ResidentialArlington Heating & Cooling
  4. Nov 10, 2021100948243Roofing$13Garage Builders Plus INC

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

Other permits by Gsj Construction, LLC

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Developer details
Permit #
100970622
Canonical ID
3:100970622
Source permit ID
100970622
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