Westchester
Creator & Author
Photo Studio & Guest House
Natural light and an open floor plan make for a flexible creative space.
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Los Angeles ADU Builders Who Make Life Easier ☺️
Custom ADUs, garage conversions, and pre-designed plans — done start to finish by one expert team. More space. More income. Less stress.
Westchester
Accessibility and natural light are main features of this family/rental unit.
Garage to Granny Flat
Winnetka
Folding patio doors open to bring the outside into this flexible artist space.
From Idle Space to Income
Westchester
Natural light and an open floor plan make for a flexible creative space.
Your Bestseller's Birthplace
Silverlake
Charming architectural details bring character to this tiny 1-bedroom.
The 'We Planned Ahead' Pad
Loyola
Minimalist home office with residential rental potential.
Envy of Every Remote Worker
Eagle Rock
A working mom's bright and fun home office doubles as a guest house.
'Mom Boss' Command Center
Eagle Rock
A clean, minimalist rental unit with tons of natural light.
'No More Excuses' Productivity Zone
Northridge
Attached garage converted into a rental unit for added passive income.
The 'No More Roommates' Solution
Santa Monica
Custom tile work adds a special touch to this west side unit.
Backyard Money Maker
Mt. Washington
Custom millwork makes the most of this tiny space.
"The Mortgage Slayer"
Leimert Park
A compact space that brings family closer to home.
24/7 Babysitter Suite
Culver City
Converting garage saved a couple from losing backyard space to a ground-up ADU.
"Have Your Yard and Rent It Too"
Mid-City
An ADU rental that helped fund a homeowner's new small business.
The Instant Equity Creator
San Fernando Valley
ADU helped mom generate steady income for the rest of her life.
Mom's Financial Freedom
Pasadena
Garage conversion that brings family closer together.
Graceful Aging Sanctuary
Why choose Otto
Design That Works
We don’t just make it look good — we make it work. Smart layouts, natural light, and materials that feel great for years.
Clear Pricing, Clear Plans
No vague estimates or missing details. You’ll get a full scope of work, transparent pricing, and coordinated drawings up front.
Construction, Actually Managed
We manage the contractors and the timeline, not you. Our team oversees everything so your project stays on track and on budget.
No Missing Fixtures or Delays
We order key items early — like appliances, finishes, and windows — to keep your build moving and avoid costly hold-ups.
Your Project, Always in View
Track your progress, view plans and permits, log issues, and message our team — all in one place, anytime.
We’ve Built All Over Los Angeles
From Pasadena to Venice, we've helped 70+ homeowners add smart, beautiful space right where they live. (You’re probably closer to an Otto project than you think.)
See What's Possible on your PropertyWhat our Clients Say
“I am very impressed with the level of detail in the design and grateful we found you" - Diana K.
“It is rare to find a company with the integrity to honor their agreement like Otto ADU did!” - Sage L.
“The Otto team was absolutely amazing! 10 out of 10! I have nothing but great things to say about the entire process” - Melissa D.
“Great experience working with Otto ADU -- my ADU is even better than I imagined, and it was on budget and on time."
- Emily B.
Our Proven Process
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 there.
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Phase 1
Plan
We inspect your site, confirm what’s possible, and help you choose your layout, finishes, and fixtures.
You’ll get a detailed proposal with a clear scope of work, timeline, and pricing.
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Phase 2
Design
We inspect your site, confirm what’s possible, and help you choose your layout, finishes, and fixtures. You’ll get a detailed proposal with a clear scope of work, timeline, and pricing.
Phase 3
Permit
We handle the paperwork, coordinate with your local agencies, and respond to city feedback—all while keeping you in the loop through your Homeowner Portal.
Phase 4
Build
We manage the entire construction process so you don’t have to. We collect competitive bids from our vetted subcontractors, select the right fit, and oversee every step—keeping you informed through your Homeowner Portal.
Our Projects
Learn more about how Otto has converted garages into beautiful ADUs for families across Los Angeles.
Get in touch today to get a free project quote.
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.
