PermitStack indexes 35,597 building permits issued in Naperville, Illinois, with 14,296 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 |
|---|---|---|---|---|
| 2026-08-07 | CSDP-0160-2026 | 1022 THUNDERBIRD LN | Other | Private backyard eventFriday August 7 20266:00pm - 10:00pm |
| 2026-08-04 | CSDP-0194-2026 | 2604 SHEEHAN CT 101 | Other | National Night Out 8/4/26 |
| 2026-08-04 | CSDP-0187-2026 | 1233 ATLAS LN | Other | We would like to block off atlas lane from tupelo to tamarack for National neighbo... |
| 2026-08-03 | TRUCK-0377-2026 | — | Other | deliver street plate75 St west Washington north Hillside east Willow south Golden ... |
| 2026-08-03 | TRUCK-0375-2026 | — | Other | ROUTE 53 NORTH -75TH ST WEST -WASHINGTON ST SOUTH - BUNTING LN WEST - CLYDE NORTH. |
| 2026-08-02 | CSDP-0208-2026 | 1112 MALLORY CT | Other | Cul de sac party |
| 2026-08-02 | RMIS-0757-2026 | 4124 ALFALFA LN | Other | 16 ft by 15 ft composite deck |
| 2026-08-02 | MISC-1095-2026 | 1216 HAVERHILL CR | Fence | Fence replacement - Finish Height of 6; Nail Up finished side facing outwards Si... |
| 2026-08-02 | RMIS-0758-2026 | 4124 ALFALFA LN | Other | Side yard walk extending from third car garage driveway up to the backyard made up... |
| 2026-08-02 | RESD-0798-2026 | 1345 WINCHESTER CT | Plumbing | BURY SUMP PUMP DISCHARGE TO STORM SEWER |
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 7, 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 11 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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