Permit Record

Solar PV

3746 N Keeler Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Solar
Reliable value$9,500
ContractorReficiency LLC
Permit record
Parties
Contractor
Reficiency LLC
Applicant
Not in source
Owner
Richard Guthmann
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
1322216019
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
41.9495, -87.7325
Geocode confidence
90%
Geocode source
Not in source
Issued
Nov 10, 2020
Applied
Oct 13, 2020
Work class
Residential
Description
Source description

SOLAR PANEL PERMIT. ERECT A PHOTOVOLTAIC ARRAY ON THE ROOF

Provenance
First seen by PermitCore
May 2, 2026 · 13:06 UTC
Last seen
May 15, 2026 · 08:47 UTC
Last changed
May 5, 2026 · 04:40 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

3 permits at this parcel (parcel 1322216019) · Apr 29, 2013 – Nov 10, 2020

  1. Nov 10, 2020This permitSolar PV$9,500Reficiency LLC
  2. Mar 28, 2019100786520New Construction Commercial · Finaled$32,000Pro-Line Electrical
  3. Apr 29, 2013100486665Alteration Residential · Finaled$7,895American Developers Corporation

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

Other permits by Reficiency LLC

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Developer details
Permit #
100895338
Canonical ID
3:100895338
Source permit ID
100895338
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