Issued / ready
#B200516414 · 320 N Sangamon StNot supplied
Source status: Active
Work description & named contractors
View work details in the official source
REX ELECT. & TECHNOLOGIES LLC · Electrical Contractor
Address / Source history
320 N Sangamon St
Filings at this exact Chicago street address.
Across the retained records at this address: 2 permit records, 0 planning filings and 0 application records. Source dates run from Aug 28, 2026 to Oct 28, 2026.
Matches use recorded street-address fields. They do not establish parcel boundaries, unit identity or one combined project. Each event retains its source's date meaning.
Building and development
320 North Sangamon Office-to-Lab Conversion
320 N SANGAMON ST
The 13-story building was designed for office and life-science use, then retrofitted for research tenants. The changes allow its lower two floors to support labs. [1]
- Building and floor plates
- The 13-story building has 23,000- to 26,000-square-foot floor plates. [1]
- Lab conversion
- Mechanical units, lab support rooms, exhaust shafts, redundant power, and chilled water were added to support labs on the lower two floors. [1]
Development team
Roles below relate to the development phases shown. Contractors for individual permits are listed with those permits.
- Retrofit designer
- SCB
320 North Sangamon lab conversion [1]
Sources · 1
- 320 North Sangamon ↗
Checked Oct 16, 2026
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Recent collected filings2
Earliest in these recordsAug 28, 2026
Latest in these recordsOct 28, 2026
Permit applications at this address
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Filings by source date
Issued / ready
#B200506936 · 320 N Sangamon StNot supplied
Source status: Active
Work description & named contractors
View work details in the official source
IMG TECHNOLOGIES, INC. · Electrical Contractor
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Planning rows link to the City Clerk, ADU or Plan Commission source; their checked scope is shown on Planning. Application rows link to the public status portal and retain its separate date meanings. Permit source: City of Chicago Building Permits ↗. Queries cover available source filings from January 1, 2006, with up to 5,000 newest records. Voided/revoked permits are excluded by the source. Historical lookups stay separate from daily alerts and do not expand citywide coverage.