PermitRadar tracks 1.6M+ building permits across 85+ US cities in real time. Browse an interactive map, search by city, filter by type and cost, and see what's being built anywhere. Set up an alert for your home address and get notifications when new permits are submitted nearby. Every city publishes permit data differently -- different fields, different APIs. We normalize it and make it a searchable feed with AI-powered project classification. Free to search. Alerts start at $9/mo.