{"trade":"excavation","week":"2025-W48","weekStart":"2025-11-24","weekEnd":"2025-11-30","fetchedAt":"2026-07-31T10:20:26.171Z","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":"101070536","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2025-11-26","address":"3217 W WALNUT ST","workDescription":"SPR 2019 CBRC: ALTERATION PERMIT FOR AN EXISTING 2 STORY, 2 DWELLING UNIT RESIDENTIAL BUILDING W/BASEMENT. INTERIOR WALL DEMO, NEW INTERIOR PARTITION, ADDITION OF 1 NEW DWELLING UNIT AT BASEMENT, FACADE RENOVATION INCLUDES NEW OPENING, INSTALL NEW FINISHES & EQUIPMENT, ASSOCIATED M.E.P. WORK & EXCAVATION, FOUNDATION UNDERPINNING, FRONT PORCH IN-KIND REPLACEMENT. NEW REAR PORCH PER PLANS. (OCCUPANCY TYPE: R-5; CONSTRUCTION TYPE IIIA)  **CERTIFIED PLANS CORRECTIONS: CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS ** NO WORK TO THE EXISTING GARAGE.","reportedCost":350000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101070536"},{"permit":"B200446583","permitType":"PERMIT – EXPRESS PERMIT PROGRAM","issueDate":"2025-11-25","address":"3814 N FREMONT ST","workDescription":"INSTALL NEW GEOTHERMAL CLOSED LOOP WELLS IN REAR YARD OF EXISTING 3 DWELLING UNIT BUILDING, GEOTHERMAL SYSTEM TO SERVE DUPLEXED UNIT 1 ONLY ON FIRST AND BASEMENT FLOORS. EXCAVATION FOR WELLS AND TRENCHING SHALL NOT BE CLOSER THAN 1'-0\" FROM ADJACENT PROPERTY LINES. QUANTITY OF 10 4\" DIA. WELLS. TRENCHING IS NO DEEPER THAN 3' BELOW FINISHED GRADE. NEW GEOTHERMAL HEAT PUMPS. LOCATIONS: 1 RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), EXTERIOR WORK, BASEMENT.","reportedCost":95000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=B200446583"}]}