Additions and square-footage expansions permitted in Chicago. These are the largest residential projects a homeowner undertakes and carry the highest declared values.
7permits listed
$1,595,700declared value
Chicago Data Portalsource
Liveupdated on load
Recent permits
2215 W 18TH ST$500,000
SC 2019 CBRC: CONVERSION OF DETACHED HOUSE TO TWO-FLAT WITH ROOF DORMER ADDITION (OCC GROUP R-5; CONST TYPE VA)
Issued 2026-07-31 · addition alteration · issued
2948 W BIRCHWOOD AVE$500,000
SELF-CERT 2019 CBC: FULL BUILDING PERMIT FOR RENOVATION AND ADDITION TO EXISTING SINGLE FAMILY RESIDENCE - TWO STORY, CONNECT/COMBINE RESIDENCE WITH ADJACENT RESIDENCE STRUCTURE. INDOOR SWIMMING POOL. NEW ATTACHED TWO C
Issued 2026-07-31 · new construction · issued
1829 N TALMAN AVE$175,000
SELF-CERT 2019 CBRC: ADDITION TO EXISTING BUILDING. EXISTING SINGLE-FAMILY RESIDENTIAL 2-STORY HOME RENOVATION WITH ADDITION. (OCCUPANCY GROUP R-5; TYPE VA CONSTRUCTION.)
Issued 2026-07-31 · addition alteration · issued
7325 N HONORE ST$120,000
SPR 2019 CBRC INTERIOR ALTERATIONS IN AN EXISTING 3-STORY, 26 DWELLING UNITS BUILDING TO ADD 4 NEW UNITS IN BASEMENT FOR A TOTAL OF 30 UNITS AS PER PLANS**CERTIFIED CORRECTIONS SUBJECT TO FIELD INSPECTIONS & AUDIT **
Issued 2026-07-30 · addition alteration · issued
3447 W 60TH ST$105,700
CONSTRUCTING A PROPOSED SECOND FLOOR ADDITION TO AN EXISTING SINGLE-FAMILY RESIDENCE CONSISTING OF (2) BEDROOMS, (1) BATHROOM AND SITTING ROOM. FIRST FLOOR MODIFICATIONS FOR NEW STAIRWAY BY RELOCATING A WALL INCLUDING AL
Issued 2026-07-29 · addition alteration · issued
2714 W NORTH AVE$100,000
SELF CERT CBRC 2019: ALTERATION TO EXISTING DEMISED BUSINESS TENANT SPACE TO ADD CHANGING ROOMS AND SHOWER ROOMS. (OCCUPANCY GROUP B, TYPE IIIA CONSTRUCTION).
Issued 2026-07-29 · addition alteration · issued
2154 W POTOMAC AVE$95,000
SPR 2019 CBRC: NEW ADDITIONAL DWELLING UNIT (ADU) IN THE BASEMENT CONVERT 2 DWELLING UNITS TO 3 DWELLING UNITS FOR A (TOTAL OF 3DU IN EXISTING 2-STORY WITH BASEMENT BRICK REAR BUILDING WITH BASEMENT, OCCUPANCY GROUP R-2,
Issued 2026-07-30 · addition alteration · issued
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