Smart ADU Solutions for California Homes

Engineered, factory-built homes ready for installation.

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Turn-key service for your home project.

Precision-engineered homes built in climate-controlled facilities.

Faster installation with strict quality control standards.

A modern, dark-colored, modular home situated in a lush forest environment. Large windows allow warm interior light to spill out, contrasting with the natural greenery surrounding the structure. The building has a sleek, geometric design, with a sloping roof and a wooden deck that extends from its side.
A modern, dark-colored, modular home situated in a lush forest environment. Large windows allow warm interior light to spill out, contrasting with the natural greenery surrounding the structure. The building has a sleek, geometric design, with a sloping roof and a wooden deck that extends from its side.
A mobile home with light-colored siding and dark window shutters sits surrounded by tall grass. A fence and some outdoor equipment are visible in front of the home, and there are tall evergreen trees in the background.
A mobile home with light-colored siding and dark window shutters sits surrounded by tall grass. A fence and some outdoor equipment are visible in front of the home, and there are tall evergreen trees in the background.
A rustic wooden mobile home is parked at the side of a quiet street with minimal traffic. The home has a triangular roof adorned with colorful pennant flags, and there are small windows on the back. The street is lined with traditional buildings and a stone wall, and the sky is partly cloudy, indicating a sunny day.
A rustic wooden mobile home is parked at the side of a quiet street with minimal traffic. The home has a triangular roof adorned with colorful pennant flags, and there are small windows on the back. The street is lined with traditional buildings and a stone wall, and the sky is partly cloudy, indicating a sunny day.

Building Smart ADUs for California

At usbuilthomes.com, we specialize in innovative, factory-built ADUs, ensuring quality and efficiency for homes that comply with California’s standards for accessory dwelling units.

A single-story house with beige siding and dark green shutters. Solar panels are installed on the roof. There's a grassy front yard with some plants and small shrubs. A utility vehicle with 'Sunrun' branding is parked to the right, along with another car.
A single-story house with beige siding and dark green shutters. Solar panels are installed on the roof. There's a grassy front yard with some plants and small shrubs. A utility vehicle with 'Sunrun' branding is parked to the right, along with another car.

150+

15

Trusted by Homeowners

Quality Assured

Smart ADU Solutions

We provide engineered, factory-built homes that are ready to install and meet state standards.

Turn-Key Service

Our comprehensive services include parcel development, permitting, and full project management for your home.

A mobile home with vibrant graffiti art featuring bold spirals and abstract designs on its side. The structure is set within a dusty landscape, enclosed by a wooden fence. A satellite dish is mounted on the roof, and a single bare tree rises alongside the building. The sky above is a mix of bright blue with scattered clouds.
A mobile home with vibrant graffiti art featuring bold spirals and abstract designs on its side. The structure is set within a dusty landscape, enclosed by a wooden fence. A satellite dish is mounted on the roof, and a single bare tree rises alongside the building. The sky above is a mix of bright blue with scattered clouds.
Quality Control

Built in climate-controlled facilities, our homes undergo strict quality control for superior performance.

Experience faster installation and smarter solutions with our expertly engineered accessory dwelling units.

Faster Installation
A modern tiny house with black paneling positioned in a natural setting surrounded by tall pine trees. A large glass door is the focal point, with two gray chairs on a wooden deck in front of it. To the right, a trailer or RV is visible, suggesting the location is possibly a camping or retreat area. The foreground features sandy soil with sparse tufts of grass, contributing to a rustic outdoor atmosphere.
A modern tiny house with black paneling positioned in a natural setting surrounded by tall pine trees. A large glass door is the focal point, with two gray chairs on a wooden deck in front of it. To the right, a trailer or RV is visible, suggesting the location is possibly a camping or retreat area. The foreground features sandy soil with sparse tufts of grass, contributing to a rustic outdoor atmosphere.
A two-story house with beige siding and a solar panel system on the roof is surrounded by a lush green lawn and various shrubs. There are additional solar panels installed on the ground in front of the house. Large trees are in the background providing a natural setting.
A two-story house with beige siding and a solar panel system on the roof is surrounded by a lush green lawn and various shrubs. There are additional solar panels installed on the ground in front of the house. Large trees are in the background providing a natural setting.

Gallery

Explore our innovative ADU solutions and stunning home designs.

A modern A-frame house with large windows is set in a forested area. In the foreground, a circular stone fire pit is surrounded by black Adirondack chairs. String lights hang above the scene, adding a warm glow to the tranquil forest setting.
A modern A-frame house with large windows is set in a forested area. In the foreground, a circular stone fire pit is surrounded by black Adirondack chairs. String lights hang above the scene, adding a warm glow to the tranquil forest setting.
A modern two-story house with several solar panels installed on the roof. The exterior is light grey with white trims and black shutters. A small palm tree is visible in the front yard, and a basketball hoop is situated on the driveway. The sky is clear and blue, indicating fair weather.
A modern two-story house with several solar panels installed on the roof. The exterior is light grey with white trims and black shutters. A small palm tree is visible in the front yard, and a basketball hoop is situated on the driveway. The sky is clear and blue, indicating fair weather.
Three modern, oval-shaped, modular white houses are situated in a lush, green hilly landscape. Each house has large glass windows and wooden staircases leading up to their entrances. A beige canopy tent is set up in the grassy area in front of the houses, and a person is seen walking near the structure. The sun casts warm light, enhancing the scenic and serene atmosphere.
Three modern, oval-shaped, modular white houses are situated in a lush, green hilly landscape. Each house has large glass windows and wooden staircases leading up to their entrances. A beige canopy tent is set up in the grassy area in front of the houses, and a person is seen walking near the structure. The sun casts warm light, enhancing the scenic and serene atmosphere.
View Gallery

Unlock the Full Potential of Your Property with a Custom ADU

  • Generate extra income

  • Build a private retreat or home office

  • Increase property value

  • House family or college students

Whether you’re looking to create a home for family, host guests, or earn passive income through a short-term rental, an ADU (Accessory Dwelling Unit) can help you maximize your land’s potential.

Discover why Factory Built Homes (FBH) are transforming California’s real estate landscape.

Start Your ADU Project

Why Choose USBuiltHomes

We make your home uniquely yours and a place to come home to, relax and enjoy life. Every home is 100% built to order and designed just for you.

Modern Homes, Unlimited Choices
Permanent Foundation, Real Property Value

Anchor your home for safety and stability while turning it into real property. Boost your home’s value and access standard financing backed by Fannie Mae and Freddie Mac.

Full Turn-Key Construction

We don’t just sell homes — we build them.
With 18 years of experience and dual contractor licenses (B & C-47), we handle everything from design and permits to installation and site development.

Financing your new home is easy. We partner with trusted lenders across California or work with your preferred bank — making the process smooth from approval to move-in.

Simple, Reliable Financing Available

Forget outdated mobile homes — our factory-built designs rival new construction in style and quality. Choose from endless upgrades and layouts that fit your lifestyle and budget.

Multi-Section Homes

Our spacious double-wide homes deliver comfort and flexibility for private properties, parks, and even mountain communities. Fully customizable to your needs and fire-zone compliant.

Our spacious double-wide homes deliver comfort and flexibility for private properties, parks, and even mountain communities. Fully customizable to your needs and fire-zone compliant.

Multi-Section Homes

Customer Feedback

Hear from our satisfied clients about their ADU experiences.

The quality of our tiny home exceeded expectations. Installation was seamless and efficient.

Sarah Johnson
Row of modern townhouses with beige walls and slanted metal roofs, surrounded by a gated fence. The front yards have various plants and trees, and multiple satellite dishes are attached to the building. Cars are parked in the driveway.
Row of modern townhouses with beige walls and slanted metal roofs, surrounded by a gated fence. The front yards have various plants and trees, and multiple satellite dishes are attached to the building. Cars are parked in the driveway.

Los Angeles

Our experience with usbuilthomes.com was outstanding. They managed everything from permits to installation flawlessly.

A red utility trailer is parked on a paved driveway between two buildings. The building on the left is a light gray house with white trim. On the right is a white building with a flat wall. In the background, there is a white fence and leafless tree branches are visible above the fence.
A red utility trailer is parked on a paved driveway between two buildings. The building on the left is a light gray house with white trim. On the right is a white building with a flat wall. In the background, there is a white fence and leafless tree branches are visible above the fence.
Mike Davis

San Diego

★★★★★
★★★★★

Ready to Build Your Home?

Let's discuss your project and explore how we can bring your vision to life with quality, affordability, and expert guidance.

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View Our Homes
A modern, single-story house with clean lines and a contemporary design. The facade features large windows and a wooden double door entry. The house is accented by stone details and illuminated by exterior lighting. The sky is a deep, twilight blue with hints of purple. A well-manicured lawn and a 'For Sale' sign are visible in the foreground.
A modern, single-story house with clean lines and a contemporary design. The facade features large windows and a wooden double door entry. The house is accented by stone details and illuminated by exterior lighting. The sky is a deep, twilight blue with hints of purple. A well-manicured lawn and a 'For Sale' sign are visible in the foreground.

Sales and Marketing Manager

Specializing in manufactured homes and mobile homes

- Laurie Bordwine

CEO/Sales, General Contractor, ICC code Author and Specialty Contractor for Manufactured Homes & mobile homes. Specializing in manufactured and mobile homes

- David Bordwine

We are partners in Life and Business and We couldn't ask for a more Blessed life

Meet Our Team

Dedicated professionals with years of construction experience.

US Built Homes

Smart ADUs for faster, efficient living solutions.

Contact

Call Today if you're interested in talking about a California ADU, Tiny Home or Mobile Homes

contact@usbuilthomes.com

1-800-555-0199

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