Permit Record

MEP Plumbing

3909 W Armitage Ave, Chicago, IL

ClassificationPlumbing
Reliable valueNot in source
ContractorNamca Contractors INC. →
Permit record
Parties
Contractor
Namca Contractors INC.
Applicant
Not in source
Owner
Robert Rios
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
1335301003
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
41.9171, -87.7246
Geocode confidence
90%
Geocode source
Not in source
Issued
Jun 8, 2023
Applied
Jun 8, 2023
Work class
Not in source
Description
Source description

REVISION TO PERMIT#101002213 CHANGE PLUMBING CONTRACTOR TO RIDGE MECHANICAL GROUP INC.

Provenance
First seen by PermitCore
May 2, 2026 · 13:09 UTC
Last seen
May 15, 2026 · 08:48 UTC
Last changed
May 5, 2026 · 04:40 UTC

Open in Chicago source →

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 1335301003) · May 18, 2023 – Jun 8, 2023

  1. Jun 8, 2023This permitMEP PlumbingNamca Contractors INC.
  2. May 18, 2023101002213Alteration Commercial · Expired$175,000Namca Contractors INC.

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

Other permits by Namca Contractors INC.

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Developer details
Permit #
101019828
Canonical ID
3:101019828
Source permit ID
101019828
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