Permit Record

Alteration Residential

1336 W Byron St, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONResidential Alteration
Reliable value$100,000
ContractorWest Town Builders LLC →
Permit record
Parties
Contractor
West Town Builders LLC
Applicant
Not in source
Owner
Robert White
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
1420103044
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
41.9527, -87.6633
Geocode confidence
90%
Geocode source
Not in source
Issued
Dec 13, 2017
Applied
Nov 15, 2017
Work class
Residential
Description
Source description

INTERIOR RENOVATION TO DE-CONVERT EXISTING 2-DWELLING UNITS TO SINGLE FAMILY RESIDENCE AND REAR FRAME ADDITION AT EXISTING 2 STORY BRICK AND FRAME BUILDING WITH BASEMENT. MAKE ATTIC HABITABLE. ENTIRE BUILDING TO BE FULLY SPRINKLED TO SUBSTITUE 2ND EXIT REQUIREMENT FROM THE 3RD FLOOR. **CERTIFIED PLAN CORRECTIONS PROJECT - CONDITIONAL PERMIT: SUBJECT TO FIELD INSPECTIONS **

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 13:02 UTC
Last seen
May 15, 2026 · 08:44 UTC
Last changed
May 12, 2026 · 00:31 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 1420103044) · Dec 13, 2017 – Jan 18, 2018

  1. Jan 18, 2018100741846Alteration Residential · Finaled$25,000West Town Builders LLC
  2. Dec 13, 2017This permitAlteration Residential · Finaled$100,000West Town Builders LLC

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

Other permits by West Town Builders LLC

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Developer details
Permit #
100733295
Canonical ID
3:100733295
Source permit ID
100733295
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