ADU Cost Bay Area
ADU
Prefab vs Custom-Built ADU in the Bay Area: Cost, Timeline, and Quality Compared for 2026
Prefab vs custom ADU in the Bay Area â compare 2026 costs ($150Kâ$450K+), timelines, and quality. Data from 116+ Bay Area projects by Barcci Builders.
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ADU
How Much Does an ADU Cost in the Bay Area? Complete 2026 Guide
Real ADU cost data for the Bay Area in 2026. From detached units to garage conversions, get honest price ranges, timelines, and what drives costs up.
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