Permit Record

Alteration Residential

3621 S Winchester Ave, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONResidential Alteration
Reliable value$15,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Dorothy F Knabjian
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
1731409009
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
41.8279, -87.6739
Geocode confidence
90%
Geocode source
Not in source
Issued
Oct 22, 2013
Applied
Sep 19, 2013
Work class
Residential
Description
Source description

REMOVE AND REPLACE EXISTING REAR WOOD PORCH AS PER PLANS.

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 12:56 UTC
Last seen
May 15, 2026 · 08:42 UTC
Last changed
May 12, 2026 · 00:28 UTC

Open in Chicago source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

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
  • Valuation is placeholder
Project timeline at this parcel

2 permits at this parcel (parcel 1731409009) · Nov 20, 2009 – Oct 22, 2013

  1. Oct 22, 2013This permitAlteration Residential · Finaled$15,000
  2. Nov 20, 2009100321271Roofing$16,196

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

Developer details
Permit #
100502997
Canonical ID
3:100502997
Source permit ID
100502997
Browse Chicago permits in the Market Explorer →Pull this permit via /v1/permits →