{"trade":"excavation","week":"2010-W50","weekStart":"2010-12-13","weekEnd":"2010-12-19","fetchedAt":"2026-08-07T11:06:54.812Z","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":"100376451","permitType":"PERMIT - NEW CONSTRUCTION","issueDate":"2010-12-17","address":"840 W BLACKHAWK ST","workDescription":"CAISSON AND FOUNDATION PERMIT ONLY FOR NEW CONSTRUCTION OF A 22 STORY,324 UNIT APARTMENT BUILDING WITH 3 LEVEL PARKING STRUCTURE","reportedCost":580000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=100376451"}]}