Beautiful ADUs in garages & backyards, managed by Otto from start to finish.

We're a full-service ADU company in Los Angeles. Our streamlined process, customizable designs, and all-in-one project management portal take the complexity & stress out of construction.

Get a Free Estimate
A Homestead ADU

Why Homeowners choose Otto

Design Expertise

Our team is led by expert designers who help you select from — and customize — Otto's beautiful, high-quality, cost-effective design packages.

Transparent Process

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

Construction, Managed

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

Exclusive Bids

We obtain exclusive bids from our vetted contractor network and select the best one for your new ADU.

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.

Curious about ADUs?
Get our free guide!

Oops! Something went wrong while submitting the form.

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

Our Process

Let Otto handle planning, design, and permitting. After you get permits, you can opt in for our hassle-free construction and project management service for peace of mind from start to finish.

Phase 4 • Optional


Otto can also manage the entire construction process. We obtain exclusive bids from our vetted contractor network and select one to work with. You'll receive progress updates every step of the way.

Otto ADU team member provides construction management for an ADU

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.

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.