Permit Record

Alteration Commercial

5311 S Blackstone Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable valueNot in source
ContractorLagis Construction LLC →
Permit record
Parties
Contractor
Lagis Construction LLC
Applicant
Not in source
Owner
Peter Skiouris
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
2011417002
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
41.7992, -87.5903
Geocode confidence
90%
Geocode source
Not in source
Issued
Jun 5, 2009
Applied
Apr 10, 2009
Work class
Commercial
Description
Source description

PROVIDE NEW SIDEWALK PLANTERS, MOVE REVOLVING DOOR AND SWING DOOR TO FACE OF BUILDING AND CHANGE 2ND FLOOR FRAMING FROM PRECAST CONCRETE DECK TO STEEL FRAME AND POURED CONCRETE PER PLANS

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 12:50 UTC
Last seen
May 15, 2026 · 08:39 UTC
Last changed
May 5, 2026 · 04:40 UTC

Open in Chicago source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

2 permits at this parcel (parcel 2011417002) · Nov 20, 2008 – Jun 5, 2009

  1. Jun 5, 2009This permitAlteration Commercial · FinaledLagis Construction LLC
  2. Nov 20, 2008100238635Alteration Commercial · Finaled$300,000Lagis Construction LLC

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

Other permits by Lagis Construction LLC

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
100285867
Canonical ID
3:100285867
Source permit ID
100285867
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