Additions and square-footage expansions permitted in Chicago. These are the largest residential projects a homeowner undertakes and carry the highest declared values.
9permits listed
$3,145,000declared value
Chicago Data Portalsource
Liveupdated on load
Recent permits
816 W AGATITE AVE$1,200,000
DDS 2019 CBC: INTERIOR ALTERATIONS & ADDITION OF TWO (2) DWELLING UNITS TO GROUND FLOOR LEVEL IN AN EXISTING 4-STORY BUILDING (OCCUPANCY R-2, TYPE IIIA) CONSULTANT REVIEWER:V3 COMPANIES OF IL
Issued 2026-08-03 · addition alteration · issued
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
10840 S HOYNE AVE$350,000
ERECT A TWO STORY FRAME ADDITION WITH BASEMENT AT THE REAR OF AN EXISTING TWO STORY RESIDENCE, NEW DECK AT THE REAR AND A NEW FRONT ENTRY AT EXISTING PORCH AS PER PLANS ** CERTIFIED PLANS CORRECTIONS: CONDITIONAL PERMIT
Issued 2026-08-03 · addition alteration · 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
6532 S EBERHART AVE$150,000
INTERIOR BUILD OUT OF AN EXISTING 2 -STORY MASONRY RESIDENCE. CONSTRUCT NEW REAR DECK WITH STAIRS AND ADD NEW FRONT STAIRS, CONVERTING EXISTING STRUCTURE TO AN OPEN FRONT PORCH AND INTERIOR ALTERATIONS/BUILDOUT OF EXIST
Issued 2026-08-03 · 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
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
10231 S PRAIRIE AVE$55,000
SPR 2019 CBC: FULL BUILDING PERMIT FOR SINGLE FAMILY RENOVATE AND REPAIR INTERIOR OF BUILDING. DEMO REAR PORCH REPLACE WITH STAIR. REMOVE SIDE CONCRETE STAIRS. ADD REAR EXIT DOOR. REMOVE REAR CONCRETE BASMENT STAIRS AND
Issued 2026-08-03 · addition alteration · issued
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