Building Permits in Naperville, Illinois

PermitStack indexes 31,391 building permits issued in Naperville, Illinois, with 14,172 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.

31,391
Total permits
14,172
Last 12 months
392
Last 30 days
-80%
vs same period prior year
May 16, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

Renovation
646
Fence
594
Interior remodel
357
Signage
348
Electrical
284
Fire alarm
215
Solar
187
New construction
175
Plumbing
155
Roofing
94

Most recent permits

The 10 most recent permits issued in Naperville, Illinois. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
2026-05-11CSDP-0070-20263400 CLUB DROther50/50 raffle
2026-05-09CSDP-0061-2026899 N MILL STOtherA Pint For Kim Our annual blood drive at Naperville north high school.
2026-05-09SEMAJ-0041-2025523 S WEBSTER LNOther2026 May 9 Naperville Food Truck Festival
2026-05-03SEMAJ-0019-2025912 SINDT CTOther2026 May 3 Walk MS Naperville
2026-05-01TRUCK-0178-2026OtherVARIOUS CITY STREETS WITHIN THE CITY LIMITS FOR THE NAPERVILLE PATCH PROGRAMWIRTGE...
2026-05-01CSDP-0072-20261545 TREELINE CTOtherNaperville Mens Glee Clubs annual fundraiser.
2026-05-01CSDP-0054-2026145 N SLEIGHT STOtherEllsworth Elementary annual spring fest. End of year carnival like party for the s...
2026-04-30FSD-1259-20261107 HIBBARD RDOtherExempt Stamp
2026-04-30ROW-0058-20262148 PRIMROSE LNOtherAST-26-019-UG – Span replacement – Approx. 242 LF of conduit for coax via bore fro...
2026-04-30RESD-0379-20263664 BIRCH LNOtherInstall 60 amp breaker in panel install pipe and wire from basement panel to gara...

Access Naperville permit data via API

Query Naperville, Illinois permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.

# Search all Naperville permits issued this month
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.permit-stack.com/v1/permits/search?city=Naperville&state=IL&issued_after=2026-04-01"

Other cities we cover

Related coverage in Illinois and nationwide.

FAQ

Where does PermitStack get Naperville permit data?

We ingest data directly from the official Naperville open data portal (ArcGIS Hub) daily. This is the same source used by the city's own public dashboards, normalized into a consistent JSON schema across our U.S. jurisdictions.

How current is the Naperville data?

Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Naperville, Illinois was issued on May 16, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.

Can I access Naperville permits without an API key?

Yes — our free tier includes 100 requests per day, enough to search and filter Naperville permits interactively. Sign up for a free API key to get started.

Can I export Naperville permit data?

Yes. Paid plans support CSV export and periodic webhooks for changed permits.

How long does a Naperville building permit take to issue?

The median time from permit filing to issuance in Naperville, Illinois is 6 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.

Get Naperville permit data in your app today

Free tier covers 100 requests per day. No credit card required.

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