ADU builders · Berkeley, California
Vetted, public-records-checked ADU builders serving Berkeley. We never publish builder photos or marketing copy without permission — listings sourced from public business directories are clearly marked.
Sourced from public business directories. If you own one of these businesses, claim your listing.
Berkeley ADU specialists offering design through final-touches construction.
Serves: Berkeley
Berkeley ADU contractor focused on sustainable construction and ADUs across the East Bay.
Serves: Berkeley
Berkeley ADU builder using a software-enabled modular design system for streamlined configuration.
Serves: Berkeley
Berkeley and Bay Area ADU contractor building custom Accessory Dwelling Units.
Serves: Berkeley
Berkeley and East Bay ADU builder constructing fully permitted ADUs and in-law units.
Serves: Berkeley, Oakland
Permit info for Berkeley
Real permit fees, timelines, and ADU-specific rules for Berkeley.
View Berkeley permit guide →Tell us about your project — budget, timeline, ADU type — and we'll route you to up to three verified builders in your area.