Our editorial team curated this list of the top eleven best ADU builders in San Diego. We came up with this list after carefully considering each company’s experience, portfolio, and designs. Adding an ADU can increase home value, generate passive income, provide extra living space for family/friends, and help solve the housing crisis. We design

We manage every detail of the construction process, ensuring quality and efficiency from start to finish. From first idea to permit in hand, Otto takes the stress out of every step.We handle planning, design, and permitting—all in-house. Once you’re approved, you can opt into our fully managed build service and let us take it from