{"trade":"fire-sprinkler","week":"2026-W23","weekStart":"2026-06-01","weekEnd":"2026-06-07","fetchedAt":"2026-07-31T20:55:22.589Z","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":"101077947","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-06-05","address":"909 W BLISS ST","workDescription":"SPR 2019 CBRC: ADDITION OF 168 SF PEDESTRIAN WALKWAY CONNECTING THE SECOND FLOORS OF TWO TYPE 1A OFFICE BUILDINGS, FULLY SPRINKLERED, NON-COMBUSTIBLE CONSTRUCTION.","reportedCost":300000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101077947"},{"permit":"101074227","permitType":"PERMIT - NEW CONSTRUCTION","issueDate":"2026-06-03","address":"3651 N WILTON AVE","workDescription":"CONVERT FROM 3 EXISTING RESIDENTIAL UNITS INTO 15 RESIDENTIAL UNITS, ERECT NEW 4 STORY SOUTH ADDITION WITH BASEMENT AND NEW 4TH FLOOR ADDITION ONTO THE EXISTING 3 STORY BRICK BUILDING WITH BASEMENT, NEW REAR OPEN METAL STAIR, NEW 6' HIGH FENCE AND REMOVE EXISTING DETACHED FRAME CAR GARAGE AND REPLACE WITH NEW 1 STORY ATTACHED BRICK CAR GARAGE WITH ROOF DECK, AS PER ARCHITECT'S PLANS. THE SCOPE OF WORK INCLUDES ARCHITECTURE, PLUMBING, HVAC AND ELECTRIC. CURRENT USE: 3 RESIDENTIAL UNITSPROPOSED USE: 15 RESIDENTIAL UNITSFULLY SPRINKLERED BUILDING","reportedCost":9500000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101074227"},{"permit":"101082403","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-06-03","address":"300 S WACKER DR","workDescription":"SELF-CERT 2019 CBRC: ALTERATION TO EXISTING UNOCCUPIED FULL FLOOR TENANT SUITE ON FLOOR 23 IN 35-STORY FULLY SPRINKLERED HIGH-RISE OFFICE BUILDING TO INCLUDE SELECTIVE INTERIOR NON-STRUCTURAL DEMOLITION, (N)NON-STRUCTURAL PARTITIONS, DOORS, CEILINGS, LIGHTS, MILLWORK FINISHES, ELECTRICAL, PLUMBING, AND HVAC AS PER PLANS. NO STRUCTURAL WORK. NO CHANGE IN OCCUPANCY, USE, OR AREA (OCCUPANCY GROUP B, TYPE IA CONSTRUCTION).","reportedCost":2200000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101082403"},{"permit":"101082400","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-06-03","address":"300 S WACKER DR","workDescription":"SELF-CERT 2019 CBRC: ALTERATION TO 2 EXISTING UNOCCUPIED TENANT SUITES ON FLOOR 6 IN 35-STORY SPRINKLERED HIGH-RISE OFFICE BUILDING TO INCLUDE SELECTIVE INTERIOR NON-STRUCTURAL DEMOLITION, (N)NON-STRUCTURAL PARTITIONS, DOORS, CEILINGS, LIGHTS, MILLWORK FINISHES, ELECTRICAL, PLUMBING, AND HVAC AS PER PLANS. NO STRUCTURAL WORK. NO CHANGE IN OCCUPANCY, USE, OR AREA (OCCUPANCY GROUP B, TYPE IA CONSTRUCTION).","reportedCost":1304000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101082400"},{"permit":"101083437","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-06-01","address":"641 W LAKE ST","workDescription":"SELF-CERT 2019 CBRC: REVISION TO PERMIT #101079532 FOR EMPLOYEE RESTROOM CONFIGURATION AND PARTITION LAYOUT REVISIONS. (OCCUPANCY GROUP B; TYPE IV CONSTRUCTION; FULLY SPRINKLERED). AS PER PLANS.","reportedCost":230000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101083437"}]}