Permit Record

Roofing

401 E Ontario St, Chicago, IL

ClassificationRoofing
Reliable valueNot in source
ContractorAlliance Mechanical
Permit record
Parties
Contractor
Alliance Mechanical
Applicant
Not in source
Owner
Not in source
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
1710208017
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
41.8933, -87.6176
Geocode confidence
90%
Geocode source
Not in source
Issued
Dec 1, 2020
Applied
Dec 1, 2020
Work class
Not in source
Description
Source description

REPLACE ONE ROOFTOP UNIT WITH ONE CARRIER 10 TON ROOFTOP UNIT, SELF CONTAINED, AIR COOLED, R410A.

Provenance
First seen by PermitCore
May 2, 2026 · 13:06 UTC
Last seen
May 15, 2026 · 08:47 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

15 permits at this parcel (parcel 1710208017) · Apr 9, 2009 – Aug 20, 2026

  1. Aug 20, 2026B200476226Foundation Only · Issued$16,620
  2. Jun 19, 2025B200427425Alteration Residential · Pending$390,000
  3. Oct 13, 2021100944093MEP Mechanical HVACTk Elevator
  4. Dec 1, 2020This permitRoofingAlliance Mechanical
  5. Apr 10, 2019100813786MEP Plumbing$1,186,309Hagge Construction Company, INC.
  6. Feb 14, 2019100799677Alteration Commercial · Finaled$186,309Hagge Construction Company, INC.
  7. Oct 17, 2017100731302Alteration Residential$147,895Jlj Contracting, INC.
  8. Jul 31, 2017100710939Alteration Commercial · Finaled$250,000Aberdeen Construction CO., INC.
  9. Mar 24, 2016100641327Roofing$528,925
  10. Dec 3, 2015100625793Alteration ResidentialHayes Mechanical, INC.
  11. Mar 29, 2013100483610MEP Plumbing$2,500Lakeshore Plumbing, INC
  12. Oct 31, 2011100416949MEP Plumbing$7,650Usa Painting & Remodeling, CO.
  13. Apr 6, 2011100388715MEP Electrical$3,558Home Trg, INC.
  14. Jul 31, 2009100303857MEP Mechanical HVAC$10Schambach Construction, INC
  15. Apr 9, 2009100281940Alteration Commercial · Finaled$150,000Progress Construction INC.

Full permit history at this parcel · as of Aug 23, 2026.

Other permits by Alliance Mechanical

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Developer details
Permit #
100901407
Canonical ID
3:100901407
Source permit ID
100901407
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