PermitStack indexes 35,634 building permits issued in Naperville, Illinois, with 13,497 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.
Most common permit types issued in the last year.
Drill into the most common permit categories in Naperville.
Most active contractors by permit volume in Naperville.
The 10 most recent permits issued in Naperville, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-08-09 | RMIS-0784-2026 | 2348 LEXINGTON | Other | DRIVEWAY/SIDEWALK/STOOP |
| 2026-08-09 | RESD-0816-2026 | 3011 KELLTOWNE | Interior remodel | RESD BUILDING ALTERATION |
| 2026-08-08 | RESD-0815-2026 | 4124 ALFALFA | Interior remodel | RESD BUILDING ALTERATION |
| 2026-08-07 | RESD-0813-2026 | 611 WEBSTER | Demolition | RESD DEMOLITION |
| 2026-08-07 | ROW-0182-2026 | — | Other | RIGHT-OF-WAY |
| 2026-08-07 | COMM-0444-2026 | 1847 DIEHL | HVAC | COMMERCIAL ROOFING/RTU/EXTERIOR REPAIR |
| 2026-08-07 | ROW-0181-2026 | — | Other | RIGHT-OF-WAY |
| 2026-08-07 | ROW-0183-2026 | — | Other | RIGHT-OF-WAY |
| 2026-08-07 | TEL-0244-2026 | — | Other | FIBER OPTIC CLASSIFICATION |
| 2026-08-07 | CSDP-0160-2026 | 1022 THUNDERBIRD LN | Other | Private backyard eventFriday August 7 20266:00pm - 10:00pm |
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"
Related coverage in Illinois and nationwide.
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.
Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Naperville, Illinois was issued on August 9, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.
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.
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Real-time webhooks for changed permits are on the Developer plan and above.
The median time from permit filing to issuance in Naperville, Illinois is 10 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.
Free tier covers 100 requests per day. No credit card required.
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