{"trade":"excavation","week":"2025-W20","weekStart":"2025-05-12","weekEnd":"2025-05-18","fetchedAt":"2026-07-31T09:33:47.452Z","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":"B200424321","permitType":"PERMIT – EXPRESS PERMIT PROGRAM","issueDate":"2025-05-14","address":"230 W WASHINGTON ST","workDescription":"CONCRETE MASONRY REPAIR / REPLACEMNT: 200SQ. FT., EXCAVATION = NO. LOCATION: WATERPROOFING REPAIRS TO 4 LEVEL PARKING GARAGE.","reportedCost":80000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=B200424321"},{"permit":"B200418861","permitType":"PERMIT – EXPRESS PERMIT PROGRAM","issueDate":"2025-05-12","address":"5310 S UNIVERSITY AVE","workDescription":"INSTALL NEW GEOTHERMAL VERTICAL CLOSED LOOP WELLS IN BACKYARD AND 2 UNDER FLOOR SLAB ONLY OF EXISTING SINGLE-FAMILY HOME. EXCAVATION FOR GEOTHERMAL WELLS   ASSOCIATED TRENCHING CANNOT BE LOCATED LESS THAN 1'-0\" TO ADJACENT PROPERTY LINES. THERE WILL BE 32, 4\" DIA. WELLS IN THE BACKYARD. TRENCHING SHALL NOT BE DEEPER THAN 4'. NO NEW WALLS, DUCTWORK OR DOORS.1  RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), EXTERIOR WORK, BACKYARD.","reportedCost":185000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=B200418861"},{"permit":"B200422447","permitType":"PERMIT – EXPRESS PERMIT PROGRAM","issueDate":"2025-05-12","address":"425 E ERIE ST","workDescription":"CONCRETE MASONRY REPAIR / REPLACEMNT: 100SQ. FT., EXCAVATION = NO. LOCATION: FLOORS 8-11 (MISC. CONCRETE REPAIRS).","reportedCost":10000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=B200422447"}]}