Permit Record

Alteration Commercial

4321 N Knox Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable value$34,000
ContractorCcsi Networks LLC →
Permit record
Parties
Contractor
Ccsi Networks LLC
Applicant
Not in source
Owner
Sprint Communications
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
1315306136
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
41.9596, -87.7448
Geocode confidence
90%
Geocode source
Not in source
Issued
Jul 17, 2019
Applied
Jul 17, 2019
Work class
Commercial
Description
Source description

REPLACE (3) EXISTING ANTENNAS WITH (3) NEW ANTENNAS WITH ASSOCIATED CABLING ON NEW PIPE MOUNTS ON EXISTING SPRINT FACILITY, AS PER PLANS. SPRINT SITE# CH03XC226. ELECTRICAL PERMIT# 100818464. PREVIOUS BUILDING PERMIT# 100577944.

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 13:04 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

10 permits at this parcel (parcel 1315306136) · Jul 16, 2009 – Jul 17, 2019

  1. Jul 17, 2019This permitAlteration Commercial · Finaled$34,000Ccsi Networks LLC
  2. Nov 30, 2018100749667Alteration Commercial · Finaled$15,000Zar Construction And Development, INC
  3. Oct 24, 2017100721100DemolitionKlf Excavating
  4. May 10, 2017100695012Alteration Commercial · Finaled$300,000Simon Sez Fine Decorating, INC.
  5. Feb 18, 2015100581888Roofing$1,595,000
  6. Sep 11, 2014100533030Alteration Commercial · Expired$800,000Downes Construction
  7. Apr 23, 2014100536239Alteration Commercial · Finaled$30,000Downes Construction
  8. Nov 2, 2012100462246Alteration Commercial · Finaled$8,000Continental Contractors 2000, INC.
  9. Apr 30, 2010100341489MEP Mechanical HVACContinental Contractors 2000, INC.
  10. Jul 16, 2009100289693Alteration Commercial · Finaled$15,000Continental Contractors 2000, INC.

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

Other permits by Ccsi Networks LLC

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Developer details
Permit #
100820585
Canonical ID
3:100820585
Source permit ID
100820585
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