Permit Record

MEP Mechanical HVAC

842 N Winchester Ave, Chicago, IL

ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorDiamond Partnership, LLC →
Permit record
Parties
Contractor
Diamond Partnership, LLC
Applicant
Not in source
Owner
Volo Holdings, LLC-842 Winchester Series
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
1706433024
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
41.8972, -87.6760
Geocode confidence
90%
Geocode source
Not in source
Issued
Oct 25, 2018
Applied
Oct 25, 2018
Work class
Not in source
Description
Source description

REVISION TO PERMIT#100736150 CHANGE HVAC TO ROMAN HEATING & COOLING.

Provenance
First seen by PermitCore
May 2, 2026 · 13:03 UTC
Last seen
May 15, 2026 · 08:45 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

3 permits at this parcel (parcel 1706433024) · Dec 19, 2017 – Oct 25, 2018

  1. Oct 25, 2018This permitMEP Mechanical HVACDiamond Partnership, LLC
  2. Feb 1, 2018100736150New Construction Residential Mf · Finaled$927,800Diamond Partnership, LLC
  3. Dec 19, 2017100734223DemolitionDemox

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

Other permits by Diamond Partnership, LLC

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

Developer details
Permit #
100789957
Canonical ID
3:100789957
Source permit ID
100789957
Browse Chicago permits in the Market Explorer →Pull this permit via /v1/permits →