Westchester
Intergenerational Family
Backyard Rental
Accessibility and natural light are main features of this family/rental unit.
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Los Angeles' Premier ADU Builders ☺️
Transform your property with a custom ADU. Our all-in-one service eliminates the stress and complexity of construction. Turn unused space into your smartest investment - a premium ADU that grows your property value.
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
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
Westchester
Natural light and an open floor plan make for a flexible creative space.
Your Bestseller's Birthplace
Mt. Washington
Custom millwork makes the most of this tiny space.
"The Mortgage Slayer"
Loyola
Minimalist home office with residential rental potential.
Envy of Every Remote Worker
Leimert Park
A compact space that brings family closer to home.
24/7 Babysitter Suite
Silverlake
Charming architectural details bring character to this tiny 1-bedroom.
The 'We Planned Ahead' Pad
Eagle Rock
A clean, minimalist rental unit with tons of natural light.
'No More Excuses' Productivity Zone
Culver City
Converting garage saved a couple from losing backyard space to a ground-up ADU.
"Have Your Yard and Rent It Too"
Winnetka
Folding patio doors open to bring the outside into this flexible artist space.
From Idle Space to Income
Mid-City
An ADU rental that helped fund a homeowner's new small business.
The Instant Equity Creator
Eagle Rock
A working mom's bright and fun home office doubles as a guest house.
'Mom Boss' Command Center
Westchester
Accessibility and natural light are main features of this family/rental unit.
Garage to Granny Flat
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 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!
Procurement, Handled
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!
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.
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Phase 1
Plan
We complete a site inspection and review of the ADU's basic plan, finish, and fixture decisions. You'll receive a detailed proposal with a comprehensive scope of work and transparent pricing estimates.
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Phase 2
Design
Your feedback gets incorporated into a full drawing set that brings the ADU to life! You'll get to review the set during a documentation review before signing off on the final design.
Phase 3
Permit
We assemble all the required documents to apply for permits in your local jurisdiction. Otto handles feedback from local agencies, and we keep you updated via your online Homeowner Portal.
Phase 4 • Optional
Build
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.
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.
