Permit Record

MEP Mechanical HVAC

6453 S Ashland Ave, Chicago, IL

ClassificationHVAC / Mechanical
Reliable value$15,000
ContractorExterplexy, INC →
Permit record
Parties
Contractor
Exterplexy, INC
Applicant
Not in source
Owner
Doris York
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
2020108020
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
41.7761, -87.6640
Geocode confidence
90%
Geocode source
Not in source
Issued
Jul 30, 2021
Applied
Jul 30, 2021
Work class
Not in source
Description
Source description

FURNACE (REPLACEMENT ONLY): QTY 1

Provenance
First seen by PermitCore
May 2, 2026 · 13:07 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 2020108020) · Jul 13, 2011 – Jul 30, 2021

  1. Jul 30, 2021This permitMEP Mechanical HVAC$15,000Exterplexy, INC
  2. Jul 10, 2020100881739MEP Electrical$54,000Alpine Builders And Remodeling CORP
  3. Jul 13, 2011100402508RoofingClimate Control

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

Other permits by Exterplexy, INC

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Developer details
Permit #
100933369
Canonical ID
3:100933369
Source permit ID
100933369
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