MEP Mechanical HVAC
4327 N Mozart St, Chicago, IL
Permit record
Parties
- Contractor
- Airoom, LLC
- Applicant
- Not in source
- Owner
- Jeff Maier
- 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
- 1313307012
- 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
- 41.9602, -87.6995
- Geocode confidence
- 90%
- Geocode source
- Not in source
- Issued
- Feb 25, 2022
- Applied
- Feb 25, 2022
- Work class
- Not in source
Description
Source description
REVISION CHANGE OF HVAC CONTRACTOR PERMIT #100925565 TO TDH MECHANICAL,INC.
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
Data-quality checks1 of 12 flagged
1 of 12 data-quality checks flagged on this permit. Detail below.
- Valuation is placeholder
valuation_usd_is_placeholdervaluation_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
- Feb 25, 2022This permitMEP Mechanical HVAC$100Airoom, LLC
- Dec 17, 2021100925565Alteration Residential · Finaled$167,500Airoom, LLC
Full permit history at this parcel · as of Jul 8, 2026.
Other permits by Airoom, LLC
Developer details
- Permit #
- 100960273
- Canonical ID
- 3:100960273
- Source permit ID
- 100960273