Permit Record

Alteration Residential

4430 N Western Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable valueNot in source
Permit record
Parties
Applicant
Not in source
Owner
4430 N. Western Avenue LLC
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
1901415034
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
41.9623, -87.6889
Geocode confidence
90%
Geocode source
Not in source
Issued
Dec 11, 2018
Applied
Dec 11, 2018
Work class
Residential
Description
Source description

REVISION TO PERMIT NO. 100737754; ADDING FIREPLACE CONTRACTOR FIREPLACE SPECIALIST LLC

Provenance
First seen by PermitCore
May 2, 2026 · 13:04 UTC
Last seen
May 15, 2026 · 08:45 UTC
Last changed
May 5, 2026 · 04:40 UTC
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 1901415034) · Apr 30, 2018Dec 11, 2018

  1. Dec 11, 2018This permitAlteration ResidentialLongford Construction, INC.
  2. Apr 30, 2018100759371Alteration Residential$10,000

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

Other permits by Longford Construction, INC.

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

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Developer details
Permit #
100796909
Canonical ID
3:100796909
Source permit ID
100796909
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