Igni Guides
Deep, practical hub guides on ADU permits, where to get building-permit data, and how to turn permit records into construction leads — written for builders, contractors and lenders.
ADU
The Complete ADU Permit Guide (2026)
A 2026 guide to ADU permits: what they are, the step-by-step process, cost and timeline ranges, state rules, and how to track activity.
Permit data
Where to Get Building Permit Data (and How to Use It)
Where to get building permit data: open-data portals, what good data looks like, how builders and lenders use it, and a free lookup tool.
Leads
How to Get Construction & ADU Permit Leads
How to get construction and ADU permit leads: lead sources, why permit data is the strongest early signal, filtering for fit, and working fast.
Informational only, not legal advice. Housing and permitting rules change and vary by jurisdiction — verify current requirements before relying on anything here.