☀️ Summer Promo! $1,000 off ADU design & permits. Contact us for a free quote. ☀️

Convert your garage into a beautiful space.

We're a full-service ADU company in Los Angeles. We use our experience to navigate the complexity & stress of design & construction for you.

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A Homestead ADU

Why Homeowners choose Otto

Architectural Expertise

The Otto team is led by trained architects who know how to design beautiful spaces, vet contractors, and provide quality control over construction.

Transparent Process

Our customers receive a detailed scope of work, clear pricing estimates, and coordinated drawing sets — so they always can make informed decisions.

Design Driven

We embed great design into every step of the project delivery process in order to transform the chaos of construction into an exciting and joyful experience.

Construction, Managed

Unlike other ADU providers, we fully manage the construction process and your project’s selected Contractor. Sit back and enjoy the progress!

Procurement Assistance

We procure long lead-time items like finishes, appliances, accessories, doors, and windows to minimize delays and ensure quality.

All-in-One Portal

Our Homeowner Portal lets you easily track progress, review project documentation, log issues, and communicate with our team.

What our Clients Say

“They never cut corners or tried to cheapen the result"

“It is rare to find a company with the integrity to honor their agreement like Otto ADU did!”

The Lewis Family
Mt. Washington

Get in touch today to get a free project quote.

Otto ADU team members work on ADU design and construction plans

About Otto

Our designers, builders, and engineers have one goal: Make it easy for Los Angeles homeowners and contractors to create beautiful ADUs in existing garages and empty backyards.

Our team has designed over 100 ADUs in LA County, and a combined 25 years of experience managing complex architectural projects around the world.

Learn More about Otto

The new construction experience.

Use Otto's Homeowner Portal to get updates, log tickets, and view all of your ADU's documentation in one spot.