Berkeley Junior ADU readiness starts with a complete, source-linked city packet and early screening for utility, site, and energy-code issues.
For Berkeley, package jadu scope as a contractor-facing checklist before quote finalization. Treat city-specific notes as pre-bid exclusions unless verified.
Free users see the starter item. Pro unlocks the full contractor checklist.
Request a project packet for this job, or use Pro when you are checking multiple ADU quotes each month.
View sample packetEach flag explains why it matters and what to do next.
Trigger: Every permit readiness page
Why it matters: The product helps scope requirements and reduce avoidable omissions, but the city is the permitting authority.
What to do next: Use the linked official sources and confirm borderline conditions with the city before submitting.
SourceTrigger: Junior ADU
Why it matters: JADUs can require owner-occupancy and deed restriction sequencing that is easy to miss in a small interior project.
What to do next: Confirm owner occupancy, covenant requirements, and recording sequence before permitting.
SourceEvery high-impact claim should be traceable to the city or state source.