# Building permits at 421 School St, Naperville, IL

One permit on record here. The newest, Sep 24: Kitchen Remodel Remove existing cabinets and counter tops and install new ones Install new pella window. Naperville publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 24, 2026 | Alteration or repair | Kitchen Remodel Remove existing cabinets and counter tops and install new ones Install new pella window. | $28,158 | [RESD-0876-2026](https://nearbypermits.com/naperville/permit/RESD-0876-2026/) |

## More on this street

Other addresses on School St with permits, nearest house number first:

- [320 School St](https://nearbypermits.com/naperville/address/320-school-st/): newest permit Jun 4, 2026
- [610 School St](https://nearbypermits.com/naperville/address/610-school-st/): newest permit Aug 26, 2026
- [612 School St](https://nearbypermits.com/naperville/address/612-school-st/): newest permit Sep 3, 2026
- [614 School St](https://nearbypermits.com/naperville/address/614-school-st/): newest permit Sep 3, 2026
- [616 School St](https://nearbypermits.com/naperville/address/616-school-st/): newest permit Sep 3, 2026
- [620 School St](https://nearbypermits.com/naperville/address/620-school-st/): newest permit May 22, 2025
- [622 School St](https://nearbypermits.com/naperville/address/622-school-st/): newest permit May 22, 2025
- [624 School St](https://nearbypermits.com/naperville/address/624-school-st/): newest permit May 22, 2025

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Source: City of Naperville permit data (https://www.arcgis.com/home/item.html?id=d13ad71731234cfa8793b75705c3dbe2). Checked 2026-10-08 07:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/naperville/address/421-school-st/