Building permits · Illinois
Naperville, IL
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Processes in Naperville
In the order a job runs them.
Naperville permits
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City-wide in Naperville
Whichever permit you pull.
No city-wide version written for Naperville yet: 01 Registration, 02 Pre-approval, 03 Design, 05 Plan review, 06 Utility, 07 Inspection, 08 Close-out. Know it? Add it
From Naperville's own records
Naperville permits by the numbers
Permits Naperville issued from Sep 2025 to Sep 2026. Time is from application to issue, and includes any time spent waiting on the applicant.
Permit typeIssuedTypical time to issue
Miscellaneous · Fence766 issued7 days · 1 in 4 over 14 days
Residential · Resd Building Alteration448 issued26 days · 1 in 4 over 41 days
Sign · Permanent Sign277 issued34 days · 1 in 4 over 56 days
Miscellaneous · Electrical222 issued19 days · 1 in 4 over 36 days
Fire Department Permit · Fire Alarm191 issued16 days · 1 in 4 over 25 days
Commercial · Commercial Building Alteration178 issued70 days · 1 in 4 over 101 days
Miscellaneous · Plumbing164 issued3 days · 1 in 4 over 13 days
Miscellaneous · Solar/Photovoltaic148 issued21 days · 1 in 4 over 30 days
Residential · Single Family Home137 issued52 days · 1 in 4 over 75 days
Residential · Resd Electric Vehicle Charging Station132 issued20 days · 1 in 4 over 27 days
Commercial · Commercial Roofing/Rtu/Exterior Repair120 issued30 days · 1 in 4 over 41 days
Commercial · Business Occupancy113 issued14 days · 1 in 4 over 23 days
Calculated by us from City of Naperville open data (City of Naperville open data terms). Typical means the middle value. Types with fewer than 20 permits show no time or fee. Refreshed weekly.
Written by contractors, not by the City of Naperville. Permitpedia is not affiliated with or endorsed by any government agency. Confirm fees and requirements with the jurisdiction before you file.