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.
ADU
How Much Does an ADU Cost? (2026 Guide)
How much does an ADU cost in 2026? An overview of the cost drivers, typical ranges by type, permit and impact fees, and how to get accurate quotes.
ADU
How to Finance an ADU: Loans & Options
How to finance an ADU: HELOCs, cash-out refinance, construction and renovation loans, dedicated ADU loans, and contractor financing explained.
ADU
How to Build an ADU: A Step-by-Step Guide
How to build an ADU step by step: check local rules, set a budget, design, get the permit, build, and track permit activity.
Informational only, not legal advice. Housing and permitting rules change and vary by jurisdiction — verify current requirements before relying on anything here.