{"trade":"fire-sprinkler","week":"2026-W38","weekStart":"2026-09-14","weekEnd":"2026-09-20","fetchedAt":"2026-10-28T21:02:42.939Z","source":{"dataset":"ydr8-5enu","api":"https://data.cityofchicago.org/resource/ydr8-5enu.json","page":"https://data.cityofchicago.org/Buildings/Building-Permits/ydr8-5enu"},"ok":true,"error":null,"truncated":false,"permits":[{"permit":"101081716","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-09-16","address":"401 W ONTARIO ST","workDescription":"DDS CBC 2019 - ERECT A NEW PARTIAL 5TH FL. UPPER STORY ADDITION & RENOVATION OF THE  EXISTING 4-STORY OFFICE BUILDING IN ORDER TO CONVERT IT TO MULTI-UNIT RESIDENTIAL USE. NEW OCCUPANCY TO CONTAIN 57 DWELLING UNITS. BUILDING TO BE FULLY SPRINKLERED.    R-2 OCCUPANCY (NEW).    TYPE-IV CONSTRUCTION. V3 COMPANIES OF IL","reportedCost":7500000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101081716"},{"permit":"101087468","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-09-16","address":"600 N MICHIGAN AVE","workDescription":"SELF CERT 2019 CBRC: INTERIOR DEMOLITION OF EXISTING RESTAURANT TENANT SPACE. DEMO INCLUDES REMOVAL OF MILLWORK, INTERIOR FINISHES, NONSTRUCTURAL PARTITIONS, FINISHED CEILINGS, HVAC DUCTWORK, LIGHT FIXTURES & KITCHEN EQUIPMENT. EXISTING ELECTRICAL PANELS, WATER METERS, VERTICAL TRANSPORTATION, SPRINKLER SYSTEM & HVAC UNITS TO REMAIN. NEW SCOPE LIMITED TO INSTALLATION OF NEW RATED DOOR AT EXISTING RATED STAIR ENCLOSURE, NEW RATED PARTITIONS CONNECTING TO NEW DOOR AND NEW LIGHTING TO PROVIDE ACCESS TO STAIR ENCLOSURE (OCCUPANCY A-2, TYPE I-B CONSTRUCTION)","reportedCost":575000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101087468"},{"permit":"101076474","permitType":"PERMIT - NEW CONSTRUCTION","issueDate":"2026-09-15","address":"1817 N CALIFORNIA AVE","workDescription":"DDS 2019 CBC: FULL BUILDING PERMIT FOR 5 STORY 24 D.U. BUILDING, 24 CAR GARAGE AT 1ST STORY, DECK AT 2ND STORY OVER PORTION OF GARAGE, FRONT DECK AT 2ND THRU 5TH STORY, REAR BALCONY AT 3RD THRU 5TH STORY, FRONT PATIO AT 1ST STORY,  ROOFTOP STAIR ENCLOSURE, ELEVATOR OVER-RUN, 1 EXTERIOR LOADING BERTH, 24 ON-SITE BICYCLE PARKING SPACES, 6' HIGH 13' BY 3' MASONRY TRASH ENCLOSURE, ENTIRE BUILDING SPRINKLERED (OCCUPANCY GROUP R-2, S-2, TYPE IIIA CONSTRUCTION). CONSULTANT REVIEWER: V3 COMPANIES OF IL","reportedCost":4042595,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101076474"}]}