MEP Mechanical HVAC
4211 N Mason Ave, Chicago, IL
ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorWk Heating, INC
Permit record
Parties
- Contractor
- Wk Heating, INC
- Applicant
- Not in source
- Owner
- Lucas Kristen
- 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
- 1317409017
- 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
- 41.9571, -87.7755
- Geocode confidence
- 90%
- Geocode source
- Not in source
- Issued
- Dec 12, 2016
- Applied
- Dec 12, 2016
- Work class
- Not in source
Description
Source description
REVISION TO PERMIT #100644577 TO CHANGE THE VENTILATION & REFRIGERATION CONTRACTOR OF RECORD TO WK HEATING, INC.
Provenance
- First seen by PermitCore
- May 2, 2026 · 13:01 UTC
- Last seen
- May 15, 2026 · 08:44 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
- Dec 12, 2016This permitMEP Mechanical HVACWk Heating, INC
- Jul 26, 2016100644577Alteration Commercial · Finaled$170,000Mirex Electric & Construction,
Full permit history at this parcel · as of Jul 8, 2026.
Other permits by Wk Heating, INC
Developer details
- Permit #
- 100683028
- Canonical ID
- 3:100683028
- Source permit ID
- 100683028