Expert ADU Contractors

Building your dream home in California with precision and care.

Custom Homes

Tailored solutions for your unique living space.

Quality Construction

Ensuring durability and excellence in every project.

Renovations
Consultation

About A1 ADU Contractor

A1 ADU Contractor is a premier home builder located in California, specializing in creating beautiful and functional accessory dwelling units tailored to meet your needs.

A residential construction site features several houses in various stages of development. The house in the foreground is partially built, with its structure framed and covered in yellow Tyvek sheathing. Other houses in the background appear more complete, displaying dark blue and mustard yellow siding. A yellow temporary fence runs along the edge of the site, and construction materials are scattered across the ground. A cloudy sky looms overhead, contributing to a subdued atmosphere.
A residential construction site features several houses in various stages of development. The house in the foreground is partially built, with its structure framed and covered in yellow Tyvek sheathing. Other houses in the background appear more complete, displaying dark blue and mustard yellow siding. A yellow temporary fence runs along the edge of the site, and construction materials are scattered across the ground. A cloudy sky looms overhead, contributing to a subdued atmosphere.

150+

15

Trusted by homeowners

Quality assured

Our Services

A1 ADU Contractor specializes in home building and renovation services in California.

Home Building
A partially constructed two-story house is situated amidst tall pine trees. The building features an unfinished concrete exterior and a roof with dark shingles. The surrounding area is covered with soil and scattered vegetation, creating a natural, woodland setting.
A partially constructed two-story house is situated amidst tall pine trees. The building features an unfinished concrete exterior and a roof with dark shingles. The surrounding area is covered with soil and scattered vegetation, creating a natural, woodland setting.

Expert home building services tailored to your needs and preferences.

Aerial view of a partially constructed house surrounded by open fields and distant trees at sunset. The structure is framed with wooden beams, and there are scattered construction materials nearby. The landscape features a mix of green and yellow vegetation with a few residential houses and farm buildings in the distance.
Aerial view of a partially constructed house surrounded by open fields and distant trees at sunset. The structure is framed with wooden beams, and there are scattered construction materials nearby. The landscape features a mix of green and yellow vegetation with a few residential houses and farm buildings in the distance.
An urban street scene featuring contemporary buildings, a 'California' sign with a palm tree graphic, and a digital traffic sign displaying the number 60. The street includes parked cars, a commercial loading zone sign, and construction cranes visible in the background.
An urban street scene featuring contemporary buildings, a 'California' sign with a palm tree graphic, and a digital traffic sign displaying the number 60. The street includes parked cars, a commercial loading zone sign, and construction cranes visible in the background.
Renovation Services

Transform your space with our professional renovation services for any home.

We provide comprehensive support for all your home building and renovation projects.

Project Management
A modern beige house with flat roofs and multiple sections is surrounded by a grassy field with sparse greenery. Tall cypress trees line the property, and a stone wall runs along the left side leading toward the ocean visible in the background. The sky is clear blue, creating a serene and peaceful setting.
A modern beige house with flat roofs and multiple sections is surrounded by a grassy field with sparse greenery. Tall cypress trees line the property, and a stone wall runs along the left side leading toward the ocean visible in the background. The sky is clear blue, creating a serene and peaceful setting.

Gallery

Explore our stunning home building projects in California.

A truck labeled with Goldrock Construction is parked on a dirt road adjacent to a steep, vegetation-covered hill. Three workers are focused on constructing a wooden framework on the side of the road.
A truck labeled with Goldrock Construction is parked on a dirt road adjacent to a steep, vegetation-covered hill. Three workers are focused on constructing a wooden framework on the side of the road.
A partially constructed two-story house with a garage door frame is visible. The exterior features a combination of gray brick and unfinished walls covered with Tyvek wrap. To the side, there's construction machinery and building materials scattered on the ground.
A partially constructed two-story house with a garage door frame is visible. The exterior features a combination of gray brick and unfinished walls covered with Tyvek wrap. To the side, there's construction machinery and building materials scattered on the ground.

Stay Updated with A1 ADU

Get the latest news from A1 ADU Contractor.