Preview Preview: 9,085 permits loaded from Chicago, Austin and Seattle. More cities are being added. Sourced from city open-data portals. Data as of 2026-09-07.

Chicago · permit 101085509

900 W NELSON ST

DDS REVISION TO PERMIT 101010263 TO INCLUDE A NEW CONNECTION AT THE 3RD FLOOR BETWEEN THE CAC BUILDING AND EXISTING STONE BUILDING. WORK TO INCLUDE MODIFICATIONS TO EXISTING SMOKE COMPARTMENTS WITH UPDATED 4 HOUR RATED BARRIER, NEW IDF ROOM, AND NEW CORRIDOR. NO CHANGE IN USE. (I-A CONSTRUCTION, I-2 INSTITUTIONAL OCCUPANCY)

Permit

Permit type
PERMIT - RENOVATION/ALTERATION
Status
ACTIVE

Location

City
Chicago
State
IL

Dates

Applied
2026-07-10
Issued
2026-08-25

Value and contractor

Contractor
TURNER CONSTRUCTION COMPANY
Declared value

Data as of 2026-09-07.