Permit Record

Solar PV

4207 N Mason Ave, Chicago, IL

ClassificationPERMIT - EASY PERMIT PROCESSResidential Solar
Reliable value$14,478
ContractorWindfree Wind + Solar Energy Design Company →
Permit record
Parties
Contractor
Windfree Wind + Solar Energy Design Company
Applicant
Not in source
Owner
Katie N Aquino
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
1317409018
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
41.9570, -87.7755
Geocode confidence
90%
Geocode source
Not in source
Issued
Sep 24, 2020
Applied
Sep 15, 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 · 08:46 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

5 permits at this parcel (parcel 1317409018) · Jun 9, 2014 – Sep 24, 2020

  1. Sep 24, 2020This permitSolar PV$14,478Windfree Wind + Solar Energy Design Company
  2. Mar 19, 2018100752287MEP Plumbing$14,935Atlas Restoration, LLC
  3. Apr 1, 2015100588205MEP PlumbingPerfect Builders And Developers INC.
  4. Sep 23, 2014100560767MEP Plumbing$4,000Grand Plumbing, Sewer &
  5. Jun 9, 2014100544724MEP Electrical$1,500Lagunas Construction, INC

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

Other permits by Windfree Wind + Solar Energy Design Company

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Developer details
Permit #
100891161
Canonical ID
3:100891161
Source permit ID
100891161
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