Addition Permits in Cook County, IL

PermitGrab tracks all new building addition permits including home extensions, room additions, and property expansions in Cook County, IL. Addition contractors use this data to find new jobs before the competition. Below are the latest Addition permits filed in Cook County.

91
This Month
0
This Week
$231,229
Avg Value
Updated Daily
Fresh Leads

Cook County Addition Market Overview

Cook County's addition permit activity is currently steady, with 0 permits filed in the last 30 days. On average, 14.5 addition permits are filed per month here based on the last six months of data. The most active addition contractors in Cook County include SALEEM SIDDIQUI, EXEMPT, ARCHADECK OF CHICAGOLAND.

Recent Addition Permits in Cook County

Date Address Description Est. Value Status
2026-05-21 227 CLEARBROOK CT, SCHAUMBUR, SCHAUMBURG, IL 60193 ADDITION UNCONDITIONED 3 SEASONS ROOM $57,774 PENDING
2026-05-11 817 SEERS DR, SCHAUMBURG, IL, SCHAUMBURG, IL 60173 ADDITION CONDITIONED 4 SEASONS ROOM $60,000 PENDING
2026-04-30 13526 IDLEWILD DRIVE, ORLAND PARK, IL 60462 INSTALL SIDING AND INSTALL SOFFIT FASCIA ON HOUSE ... $12,843 PENDING
2026-04-30 7920 BIELBY LN, WILLOW SPRINGS, IL 60480 SECOND STORY $4,135 PENDING
2026-04-30 7649 OSCEOLA AVE, NILES, IL 60714 GYH 2ND REAR ADDITION TO EXISTING HOME $380,000 PENDING
2026-04-30 945 LIVINGSTON LN, INVERNESS, IL 60010 REMODEL/ADDITION TO DECK 36 X 20 $58,947 PENDING
2026-04-29 515 E JUNIPER DR, PALATINE, IL 60074 SINGLE FAMILY - ADDITION $42,269 PENDING
2026-04-28 14642 MAIN ST, LEMONT, IL 60439 ADDITIONS $600,000 PENDING
2026-04-28 8305 164TH CT, TINLEY PARK, IL 60477 CONSTRUCT ATTACHED PATIO ROOF EXTENSION DESIGNED A $1 PENDING
2026-04-28 11535 WALKER RD, LEMONT, IL 60439 ADDITION $4.0M PENDING

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Frequently Asked Questions

How many Addition permits are filed in Cook County per month?
Cook County averages approximately 91 addition permits per month based on recent permit data collected by PermitGrab.
What types of Addition work require permits in Cook County?
In Cook County, permits are typically required for building addition permits including home extensions, room additions, and property expansions. Always check with Cook County's building department for specific requirements.
How can I find Addition leads in Cook County?
PermitGrab provides daily updates of all addition permits filed in Cook County, complete with addresses, project values, and lead scoring to help addition contractors find new jobs before the competition.
How quickly are Addition permits updated on PermitGrab?
Permits are collected daily from Cook County's open data portal and available on PermitGrab within 24 hours of filing.

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