About This Launch
Free California ADU line-item cost breakdowns and a six-phase compare tool (800 vs 400 sq ft and more). Built for homeowners and builders who want transparent phase costs from public sources.
Screenshots

Why I Built This
I got tired of vague ADU cost ranges, so I published phase-by-phase California ledgers and a compare tool anyone can use for free.
Launch Details
CategorySaaS
StageLive
ListedSeptember 17, 2026