421 School St

Naperville, IL 60540

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.

1. Kitchen Remodel Remove existing cabinets and counter tops and install new ones Install new pella window

   Alteration or repair
   Sep 24$28,158

• 320 School St newest permit Jun 4, 2026
• 610 School St newest permit Aug 26, 2026
• 612 School St newest permit Sep 3, 2026
• 614 School St newest permit Sep 3, 2026
• 616 School St newest permit Sep 3, 2026
• 620 School St newest permit May 22, 2025
• 622 School St newest permit May 22, 2025
• 624 School St newest permit May 22, 2025

The newest permit in the city's data is from Sep 30, 2026, 8 days ago. Permits issued after that won't appear here until the city publishes them.

City of Naperville updated its data Oct 7, 2026. We checked it Oct 8, 02:29 UTC. See the city's official records.

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near