Permit Record

MEP Plumbing

6734 S Constance Ave, Chicago, IL

ClassificationPlumbing
Reliable value$500
ContractorDelta Company Construction LLC
Permit record
Parties
Contractor
Delta Company Construction LLC
Applicant
Not in source
Owner
Erin & John Alexander
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
2024304014
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
41.7724, -87.5803
Geocode confidence
90%
Geocode source
Not in source
Issued
Mar 28, 2022
Applied
Mar 25, 2022
Work class
Not in source
Description
Source description

REVISION TO CHANGE OF PLUMBING CONTRACTORS TO ARTANDAS PLUMBERING,HVAC CONTRACTOR TO DORADO HEATING & COOLING PERMIT#100928250

Provenance
First seen by PermitCore
May 2, 2026 · 13:08 UTC
Last seen
May 15, 2026 · 08:47 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

3 permits at this parcel (parcel 2024304014) · Aug 12, 2009 – Mar 28, 2022

  1. Mar 28, 2022This permitMEP Plumbing$500Delta Company Construction LLC
  2. Nov 18, 2021100928250Alteration Residential · Expired$95,000Delta Company Construction LLC
  3. Aug 12, 2009100305462Roofing$15,000

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

Other permits by Delta Company Construction LLC

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Developer details
Permit #
100964033
Canonical ID
3:100964033
Source permit ID
100964033
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