Alteration Residential
420 N Trumbull Ave, Chicago, IL
ClassificationPERMIT - EASY PERMIT PROCESSResidential Alteration
Reliable valueNot in source
ContractorIntegrity Contracting
Permit record
Parties
- Contractor
- Integrity Contracting
- Applicant
- Not in source
- Owner
- Cornerstone Development LLC
- 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
- 1611226022
- 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
- 41.8890, -87.7126
- Geocode confidence
- 90%
- Geocode source
- Not in source
- Issued
- May 21, 2018
- Applied
- May 21, 2018
- Work class
- Residential
Description
Source description
CHANGE GENERAL CONTRACTOR TO INTEGRITY CONTRACTING FOR #100696962
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
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
- May 21, 2018This permitAlteration ResidentialIntegrity Contracting
- Feb 19, 2018100747872Addition Residential$14,000Garage 2017 LLC Dba Danley'S Garage World
- Jan 4, 2018100742172Solar PV$13,785Ailey Solar Electric INC
- Apr 25, 2017100696962Alteration Residential · Finaled$95,000Fix It Chicago INC
Full permit history at this parcel · as of Jul 8, 2026.
Other permits by Integrity Contracting
Developer details
- Permit #
- 100763074
- Canonical ID
- 3:100763074
- Source permit ID
- 100763074