Permit Record

Alteration Commercial

20 N Clark St, Chicago, IL

ClassificationPERMIT - RENOVATION/ALTERATIONCommercial Alteration
Reliable value$35,000
ContractorAlternative Construction →
Permit record
Parties
Contractor
Alternative Construction
Applicant
Not in source
Owner
Renee Broadbent
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
1709460004
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
41.8824, -87.6310
Geocode confidence
90%
Geocode source
Not in source
Issued
Feb 2, 2012
Applied
Jan 13, 2012
Work class
Commercial
Description
Source description

SELECTIVE ALTERATIONS TO EXISTING TENANT OFFICE SUITE 800 FOR NEWMAN, BOYER, & STATHAM, LTD PER ATTACHED PLANS.

Status
Current status
finaled
Source status
COMPLETE
Provenance
First seen by PermitCore
May 2, 2026 · 12:55 UTC
Last seen
May 15, 2026 · 08:41 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

40 permits at this parcel (parcel 1709460004) · Mar 12, 2009 – Feb 25, 2026

  1. Feb 25, 2026B200460211MEP Electrical · Issued$9,000
  2. Nov 6, 2024101062011MEP Mechanical HVAC$17,500Tk Elevator
  3. Jun 18, 2024101052208Alteration Commercial · Finaled$800,000Redmond Construction CORP.
  4. May 3, 2024101047598Alteration Commercial · Pending$227,584Bear Construction Company
  5. Nov 6, 2023101036219Alteration Commercial · Expired$200,000Langehaumer Construction, INC
  6. Sep 26, 2022100988477Alteration Commercial · Expired$740,000A.S. Construction Partners, LLC
  7. May 11, 2021100880341Alteration Commercial · Expired$250,000Bulley & Andrews, L.L.C.
  8. Aug 10, 2020100884171Alteration Commercial · Finaled$90,000Allegiance Construction Group, INC.
  9. Aug 5, 2020100882790Alteration Commercial · Finaled$579,746Allegiance Construction Group, INC.
  10. Jul 28, 2020100884325MEP Plumbing$579,746Allegiance Construction Group, INC.
  11. Jul 16, 2020100879983Alteration Commercial · Finaled$579,746Allegiance Construction Group, INC.
  12. Mar 6, 2020100860813Alteration Commercial · Finaled$45,000Allegiance Construction Group, INC.
  13. May 29, 2019100822436MEP Mechanical HVAC$7,659Kone Elevator Company
  14. Feb 6, 2019100803670MEP Mechanical HVAC$2,500Kone Elevator Company
  15. Feb 6, 2019100803679MEP Mechanical HVAC$61,268Kone Elevator Company
  16. Dec 6, 2016100681410Alteration Commercial · Finaled$30,000Langehaumer Construction, INC
  17. Jan 28, 2016100627605Alteration Commercial · Finaled$50,000Rubicon Professional Services, LLC
  18. Dec 2, 2015100625999MEP Mechanical HVAC$9,800Kone Elevator Company
  19. Mar 28, 2014100533297MEP PlumbingValenti Builders, INC.
  20. Dec 27, 2013100520069Alteration Commercial · Finaled$706,600Valenti Builders, INC.
  21. Sep 25, 2013100510547MEP Mechanical HVAC$8,000Kone Elevator Company
  22. Sep 25, 2013100510543MEP Mechanical HVAC$8,000Kone Elevator Company
  23. Apr 16, 2013100483435Alteration Commercial · Finaled$90,000Alternative Construction
  24. Apr 11, 2013100479345Alteration Commercial · Finaled$500,000Reed Illinois Corporation
  25. Dec 13, 2012100463501Alteration Commercial · Finaled$60,000Bear Construction Company
  26. Sep 19, 2012100453593Alteration Commercial · Finaled$20,000Bear Construction Company
  27. Aug 31, 2012100453592Alteration Commercial · Finaled$150,000Bear Construction Company
  28. Jul 11, 2012100448798MEP Mechanical HVAC$10,000Kone Elevator Company
  29. May 4, 2012100436279Alteration Commercial · Finaled$100,000Bear Construction Company
  30. Feb 2, 2012This permitAlteration Commercial · Finaled$35,000Alternative Construction
  31. Nov 2, 2011100417368MEP Mechanical HVAC$18,000Kone Elevator Company
  32. May 6, 2011100390235Alteration Commercial · Finaled$95,000Bear Construction Company
  33. Apr 29, 2011100386667Alteration Commercial · Finaled$200,000Clune Construction Company, L.P.
  34. Mar 17, 2011100381492Alteration Commercial · Finaled$200,000Clune Construction Company, L.P.
  35. Jan 28, 2010100328413MEP Mechanical HVACDevelopment Solutions, INC
  36. Jan 12, 2010100325226Alteration Commercial · Finaled$50,000Bear Construction Company
  37. Dec 22, 2009100321539Alteration Commercial · Finaled$100,000Development Solutions, INC
  38. Jun 11, 2009100288851Alteration Commercial · Finaled$100,000Bear Construction Company
  39. May 28, 2009100288925Alteration Commercial · Finaled$15,000Bear Construction Company
  40. Mar 12, 2009100274548Alteration Commercial · Finaled$25,000Alternative Construction

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

Other permits by Alternative Construction

Showing up to 12 most-recent permits by this contractor in the indexed window

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Developer details
Permit #
100423627
Canonical ID
3:100423627
Source permit ID
100423627
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