Homes with character, tailored just for you

Homes with character, tailored just for you

A modern two-story house with a sloped metal roof, featuring large windows with red frames. The house is surrounded by a landscaped garden with various plants and rocks, and a pathway leading to the entrance. In the foreground, there is a bicycle parked beside the house, with mountains visible in the background. The scene is set in a sunny environment.

Design, permit, and build with one expert team.

We’ve completed 75+ projects across LA County using a proven system that saves you time, money, and stress.

We’ve completed 75+ projects across LA County using a proven system that saves you time, money, and stress.

We’ve completed 75+ projects across LA County using a proven system that saves you time, money, and stress.
Modern white cottage with a steep roof and desert landscaping.

Contemporary Jane’s Cottage

2 Bed, 2 Bath, 1,200 square feet

Spanish Revival

2 Bed, 2 Bath, 1,150 square feet

Custom Plans

Custom Sizes and Like-For-Like

Modern white cottage with a steep roof and desert landscaping.

Contemporary Jane’s Cottage

2 Bed, 2 Bath, 1,200 square feet

Spanish Revival

2 Bed, 2 Bath, 1,150 square feet

Custom Plans

Custom Sizes and Like-For-Like

Your new home

in 4 simple steps

1

Tailor your plan

Choose an Otto model or a custom vision. Then, personalize the layout and style with our curated finish options.

1

Tailor your plan

Choose an Otto model or a custom vision. Then, personalize the layout and style with our curated finish options.

2

We handle approvals

We manage all paperwork, engineering, and city coordination. You get the permit without lifting a finger.

2

We handle approvals

We manage all paperwork, engineering, and city coordination. You get the permit without lifting a finger.

3

Watch it get built

Our cohesive team manages the build. No handoffs, no finger-pointing—just clear updates as your home takes shape.

3

Watch it get built

Our cohesive team manages the build. No handoffs, no finger-pointing—just clear updates as your home takes shape.

4

Move into your home!

Start making memories the moment you walk in. We stay available to ensure your transition is seamless.

4

Move into your home!

Start making memories the moment you walk in. We stay available to ensure your transition is seamless.

Explore our Otto Models

Start with a pre-designed plan to save 5 months on permitting and 40% on design costs.
Floor plan of a house
Floor plan of a house
Modern white cottage with a steep roof and desert landscaping.
Modern white cottage with a steep roof and desert landscaping.

Exterior

Floor plan of a house

1F Plan

Floor plan of a house

2F Plan

Contemporary Jane’s Cottage

2 Bed, 2 Bath, 1,200 square feet

Floor plan of a house
Floor plan of a house
Modern white cottage with a steep roof and desert landscaping.

Contemporary Jane’s Cottage

2 Bed, 2 Bath, 1,200 square feet

Modern white cottage with a steep roof and desert landscaping.

Exterior

Floor plan of a house

1F Plan

Floor plan of a house

2F Plan

Floor plan of a house
Floor plan of a house
Modern white cottage with a steep roof and desert landscaping.
Modern white cottage with a steep roof and desert landscaping.

Exterior

Floor plan of a house

1F Plan

Floor plan of a house

2F Plan

Contemporary Jane’s Cottage

2 Bed, 2 Bath, 1,200 square feet

Exterior

1F Plan

Spanish Revival

2 Bed, 2 Bath, 1,150 square feet

Spanish Revival

2 Bed, 2 Bath, 1,150 square feet

Exterior

1F Plan

Exterior

1F Plan

Spanish Revival

2 Bed, 2 Bath, 1,150 square feet

Why Build with Otto?

Design-Focused
Design-Build

Most builders don't have architects on staff. We do, from MIT, UC Berkeley, UCLA, and Rice. That changes the quality of the homes we deliver, and the decisions we make at every stage, from feasibility through finish selection.

One team, one point of accountability.

Design, permitting, and construction live under one roof. The same team that shapes your home is also responsible for getting it permitted and built. No handoffs between separate firms, no finger-pointing when something goes wrong.

Clarity before commitment.

You'll understand scope, structure, and pricing before construction starts. Our clients come into the process worried about hidden costs and lost control. We work hard to eliminate both, with informed budgeting and transparent decision-making from day one.

Built on 80+ projects across 14 jurisdictions.

We've completed projects in hillside zones, coastal zones, historic neighborhoods, and post-fire recovery areas. We work routinely with LADBS, LA County, LADWP, SCE, and planning departments across Southern California. Complex residential construction is what we do, every day.

Ready to rebuild with confidence?

Have a specific vision?
We build custom, too.

If a pre-designed model isn't right for your lot, we can apply our proven system to a fully custom design.
Whether you have existing drawings or need a bespoke design, we adapt our process to you.
You get the same cohesive team, clear pricing, and reliable build quality—tailored to your unique vision.

Frequently asked questions

What parts of an Otto pre-designed plan can I tailor?

We offer plenty of architect-vetted finishes & fixtures to choose from, as well as opportunities to modify key areas like bathrooms and built-in closets.

What fire resistant features are in Otto's pre-designed plans?

We only use unvented roofs, Class A fire rated exterior assemblies and materials, and metal-clad windows and doors with tempered glass. See more features on each project page!

How long does like-for-like permitting take in Altadena?

In our experience, typical like-for-like fire rebuilds in Altadena take approximately 4-6 weeks.

How long does construction take?

Depending on the size of project, construction can take 8 to 14 months. Our construction process consists of 15 phases, each requiring their own level of trade expertise and city sign-offs. In the event that we encounter delays or changes to the scope of work, we'll keep you posted on how that will impact the overall project timeline. 

What our clients say

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“I am very impressed with the level of detail in the design and I’m so grateful we found you”

Diana K.

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“I am very impressed with the level of detail in the design and I’m so grateful we found you”

Diana K.

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“I am very impressed with the level of detail in the design and I’m so grateful we found you”

Diana K.

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“Great experience working with Otto ... my ADU is even better than I imagined, and it was on budget and on time."

Emily B.

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“Great experience working with Otto ... my ADU is even better than I imagined, and it was on budget and on time."

Emily B.

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“Great experience working with Otto ... my ADU is even better than I imagined, and it was on budget and on time."

Emily B.

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"The Otto team was absolutely amazing! 10 out of 10! I have nothing but great things to say about the entire process."

Melissa D.

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"The Otto team was absolutely amazing! 10 out of 10! I have nothing but great things to say about the entire process."

Melissa D.

Default flower image

"The Otto team was absolutely amazing! 10 out of 10! I have nothing but great things to say about the entire process."

Melissa D.