Permit Record

Alteration Residential

2420 W Warren Blvd, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable value$3,000
Permit record
Parties
Applicant
Not in source
Owner
Not in source
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
1612424012
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
41.8822, -87.6873
Geocode confidence
90%
Geocode source
Not in source
Issued
Nov 22, 2019
Applied
Nov 22, 2019
Work class
Residential
Description
Source description

ALTERNATIVE CODE PVC SCH 40 WAST & VENT. REVISION TO PERMIT#100844456.

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
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

5 permits at this parcel (parcel 1612424012) · Sep 26, 2016Nov 22, 2019

  1. Nov 22, 2019This permitAlteration Residential$3,000Aum Construction LLC
  2. Oct 4, 2019100844457MEP Mechanical HVACAum Construction LLC
  3. Oct 4, 2019100844455MEP PlumbingAum Construction LLC
  4. Jul 11, 2018100766799Alteration Commercial · Finaled$185,700Aum Construction LLC
  5. Sep 26, 2016100668091Alteration Residential · Finaled$18,0005 N 1 Construction & Consultants, INC.

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

Other permits by Aum Construction LLC

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Developer details
Permit #
100852144
Canonical ID
3:100852144
Source permit ID
100852144
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