August 2026 - ADU Project Planner

California ADU Permit Process: Step-by-Step Guide for 2026

August 29, 2026 by ADU Project Planner

Modern California accessory dwelling unit exterior with architectural plans in the foreground

How does the California ADU permit process work in 2026? Follow the steps from property checks and plan preparation through the 15-business-day completeness review, 60-day ministerial decision, corrections, inspections and final occupancy.

California Garage Conversion ADU Cost: What to Budget for in 2026

August 29, 2026August 29, 2026 by ADU Project Planner

Where a California garage ADU budget goes, showing planning, permits, construction, utilities, site work and contingency categories

Planning a garage-to-ADU conversion in California? Learn how to budget for design, permits, impact and school fees, utilities, construction, property taxes, contractor risk, contingency and financing using current official guidance.