Permit Record

Alteration Residential

6448 N Milwaukee Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable value$4,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Michael Ahern
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
1031417028
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
41.9984, -87.7890
Geocode confidence
90%
Geocode source
Not in source
Issued
Apr 21, 2020
Applied
Apr 21, 2020
Work class
Residential
Description
Source description

WINDOWS (REPLACEMENT ONLY): QTY 4

Provenance
First seen by PermitCore
May 2, 2026 · 13:05 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

2 permits at this parcel (parcel 1031417028) · Mar 22, 2018 – Apr 21, 2020

  1. Apr 21, 2020This permitAlteration Residential$4,000
  2. Mar 22, 2018100747796Alteration Commercial · Finaled$15,000Splash Carpentry INC

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

Developer details
Permit #
100871517
Canonical ID
3:100871517
Source permit ID
100871517
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