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Chicago, IL · Permit #101086607 500 N Michigan Ave View work details in the official source
Reported project estimate $40,000 Whole permitted job
Issued / ready Jul 29, 2026
Source status Not Supplied
Trade availability and construction progress are unconfirmed.
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Work summary View work details in the official source
Scope and permit evidence Project features summarize the permit wording. The applicant reports the whole-job estimate; it is not a trade-package budget.
The issue date usually means ready to issue, subject to fee payment. It does not establish a start, completion date, or open bid.
Read the full original work description ↗
Contractors named on the permit
Scope & timing Work scope Work described Construction start Not established by this permit Completion date Not supplied Other
Commercial use Not confirmed
Building and development
500 North Michigan Avenue · Office conversion
500 North Michigan Avenue
Conversion of an office tower to 320 homes. Skender reported construction starting in July 2026 and targets completion in late 2027. [1]
Conversion start reported [1]
Contractor announcement · July 29, 2026
Homes 320 residential units. [1]
Building 400,000-square-foot, 24-story office building with a new 25th-floor amenity level. [1]
Work Interior demolition, residential fit-out, elevator modernization and rooftop amenities; ground-floor retail retained. [1]
Development team
Roles below relate to the development phases shown. Contractors for individual permits are listed with those permits.
Developer Commonwealth Development Partners Residential conversion [1]
Architect GREC Architects Residential conversion [1]
General contractor Skender Residential conversion [1]
Original architect Skidmore, Owings & Merrill Office tower completed in 1968 [1]
Key dates
October 2024 Ward lists Plan Commission approval of the conversion. [2]
July 29, 2026 Skender announced the construction start. [1]
2027 Reported target: Contractor’s completion target is late 2027. [1]
Plans and project updates
Sources · 2
Skender: 500 North Michigan conversion ↗ Checked Oct 19, 2026
500 North Michigan Avenue ↗ Checked Oct 16, 2026
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Source & observation history Source Chicago Building Permits ↗ First observed Oct 5, 2026, 6:56 a.m. ET Last observed Nov 2, 2026, 9:01 a.m. ET View record changes (1) Oct 5, 2026, 6:56 a.m. ET First observation
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