{"trade":"excavation","week":"2013-W15","weekStart":"2013-04-08","weekEnd":"2013-04-14","fetchedAt":"2026-08-06T09:56:59.529Z","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":"100475504","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2013-04-11","address":"427 S LA SALLE ST","workDescription":"ALTERATIONS TO EXISTING OFFICE BUILDING TO INSTALL A NEW COMED VAULT AS PER PLANS. NO EXCAVATION. NO CHANGE IN USE.","reportedCost":100000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=100475504"}]}