Permit Record

MEP Plumbing

3121 W Wallen Ave, Chicago, IL

ClassificationPlumbing
Reliable valueNot in source
Permit record
Parties
Applicant
Not in source
Owner
Wallen Development Group
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
1036300042
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
42.0014, -87.7084
Geocode confidence
90%
Geocode source
Not in source
Issued
Apr 5, 2013
Applied
Apr 5, 2013
Work class
Not in source
Description
Source description

REVISION TO PERMIT 100470591 TO CHANGE THE PLUMBING CONTRACTOR OR RECORD

Provenance
First seen by PermitCore
May 2, 2026 · 12:56 UTC
Last seen
May 15, 2026 · 08:42 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

3 permits at this parcel (parcel 1036300042) · Feb 28, 2013Apr 5, 2013

  1. Apr 5, 2013This permitMEP PlumbingMbi Builders, Ltd
  2. Mar 8, 2013100480760MEP Mechanical HVACMbi Builders, Ltd
  3. Feb 28, 2013100470591New Construction Residential Sf · Finaled$250,000Mbi Builders, Ltd

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

Other permits by Mbi Builders, Ltd

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

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Developer details
Permit #
100484674
Canonical ID
3:100484674
Source permit ID
100484674
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