{"trade":"fire-sprinkler","week":"2026-W02","weekStart":"2026-01-05","weekEnd":"2026-01-11","fetchedAt":"2026-07-31T11:28:31.368Z","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":"101073613","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-01-09","address":"4022 N CALIFORNIA AVE","workDescription":"SPR 2019 CBRC - CONVERT FROM SINGLE FAMILY RESIDENCE TO THREE DWELLING UNITS,(FIRST AND BASEMENT DUPLEX/ SECOND FLOOR UNIT/THIRD FLOOR UNIT) AND NEW FRONT PORCH TO AN EXISTING 3.5 MASONRY BUILDING WITH EXISTING SPRINKLER SYSTEM.AS PER PLANS**CERTIFIED CORRECTIONS SUBJECT TO FIELD INSPECTIONS & AUDIT **","reportedCost":65000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101073613"},{"permit":"101077179","permitType":"PERMIT - NEW CONSTRUCTION","issueDate":"2026-01-08","address":"2429 N ROCKWELL ST","workDescription":"SPR 2019 CBC. NEW TWO STORY FRAME (VA CONSTRUCTION TYPE AND R-5 OCCUPANCY) SFR WITH BASEMENT, COVERED OPEN ENTRY PORCH, REAR COVERED WOOD DECK AND REAR ONE STORY FRAME ADDITION - MUD ROOM.  NEW THREE CAR FRAME GARAGE WITH ROOFTOP DECK. 250 LF OF 6 FT HIGH WOOD FENCE. ALL WORK AS PER PLANS.BUILDING TO BE EQUIPPED THROUGHOUT WITH AUTOMATIC SPRINKLER SYSTEM INSTALLED WITH ACCORDANCE WITH SECTION 903.3.1.1 (S13) OR SECTION 903.3.1.2 (S13R)","reportedCost":500000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101077179"},{"permit":"101072085","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-01-08","address":"4344 S OAKENWALD AVE","workDescription":"REVISION TO PERMIT #101063647. SELF-CERT 2019 CBRC: FULL BUILDING PERMIT. RENOVATION + ADDITION AT AN EXISTING SINGLE-FAMILY RESIDENTIAL STRUCTURE. REMOVAL OF EXISTING EXTERIOR REAR EXIT STAIR AND ADDITION OF NEW THIRD LEVEL DORMER. NEW SPRINKLER SYSTEM. NEW DETACHED REAR YARD TWO-CAR GARAGE. BASEMENT 12\" DIG DOWN. INTERIOR ALTERATIONS. OCCUPANCY GROUP R-5. TYPE III-A CONSTRUCTION. NO STRUCTURAL WORK. NO CHANGE IN DWELLING UNITS, INTERIOR SQUARE FOOTAGE, NOR OCCUPANCY TYPE. TOTAL AREA OF WORK = 4,032 GSF. PIN# 20-02-400-045. ZONE RM-5. WARD 4.","reportedCost":250000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101072085"},{"permit":"101077965","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-01-07","address":"5757 S UNIVERSITY AVE","workDescription":"SELF-CERT 2019 CBRC: REVISION TO PERMIT 101076548 TO DOCUMENT REDUCED SCOPE TO INTERIOR RENOVATION OF 610 SF OFFICE SUITE WITHIN EXISTING 5-STORY LIBRARY BUILDINGBUILDING OCCUPANCY: MIXED USE BUSINESS (B) AND ASSEMBLY (A3). TYPE OF CONSTRUCTION: 2A, FULLY SPRINKLERED.","reportedCost":170000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101077965"},{"permit":"101071988","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2026-01-05","address":"2234 W 43RD ST","workDescription":"SPR - 2019 CBC AND 2019 CRC: INTERIOR ALTERATION (LEVEL 2) AND INTERIOR ADDITION TO EXISTING 2-STORY INDUSTRIAL / WAREHOUSE BUILDING TO PROVIDE EMPLOYEE LOCKER ROOMS, BREAK ROOM, AND TRAINING ROOM AS ACCESSORY BUSINESS USE IN THE DEFINED WORK AREA.  EXISTING ELECTRICAL AND PLUMBING SYSTEMS ARE MODIFIED AND NEW MECHANICAL SYSTEMS PROVIDED TO ALLOW FOR THE NEW ALTERATION AND ADDITION.  EXISTING USE IS S-1 (MAJOR OCCUPANCY), F-1, B AND PROPOSED USE IS B (ACCESSORY TO S-1). NO CHANGE TO BUILDING FOOTPRINT OR VOLUME. ALL PROPOSED WORK IS INTERIOR.  EXISTING AND PROPOSED CONSTRUCTION IS TYPE II-B.  EXISTING AND PROPOSED BUILDING IS SPRINKLERED. (CBC APPLIES TO DEFINED WORK AREA ONLY.)","reportedCost":890000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101071988"}]}