Home Building Services

A1 ADU Contractor specializes in custom home building throughout California, ensuring quality and satisfaction.

A single-story house with a beige stucco exterior and a white garage door. The driveway is spacious with a smooth concrete surface, and there is a tree with green leaves and small yellow flowers to the right. The roof features a classic gable design.
A single-story house with a beige stucco exterior and a white garage door. The driveway is spacious with a smooth concrete surface, and there is a tree with green leaves and small yellow flowers to the right. The roof features a classic gable design.
Modern suburban houses with clean lines and a minimalist design are visible. The first house has a multi-car garage and is painted in neutral colors with dark accents. The landscaping includes rocks and drought-resistant plants.
Modern suburban houses with clean lines and a minimalist design are visible. The first house has a multi-car garage and is painted in neutral colors with dark accents. The landscaping includes rocks and drought-resistant plants.
Custom Homes

We create tailored homes that meet your specific needs and preferences in California.

ADU Construction

Our team builds Accessory Dwelling Units, maximizing your property's potential and functionality.

Our Projects

Explore our diverse range of home building projects.

A house under construction with roofing materials stacked on top. The building appears to be in the framing stage with partially completed windows and exterior walls. Other partially built houses are visible in the background under a partly cloudy sky.
A house under construction with roofing materials stacked on top. The building appears to be in the framing stage with partially completed windows and exterior walls. Other partially built houses are visible in the background under a partly cloudy sky.
Custom Homes

Tailored solutions for your dream home.

A coastal construction site with a view of the sea. A large yellow crane towers over partially constructed buildings. The area features a newly paved road running parallel to the beach, with clear weather and an expansive blue sky.
A coastal construction site with a view of the sea. A large yellow crane towers over partially constructed buildings. The area features a newly paved road running parallel to the beach, with clear weather and an expansive blue sky.
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A row of newly constructed white houses lined up along a paved street. The homes feature simple architectural designs with slanted roofs. On one side, there is a tall concrete wall with sparse vegetation. The ground appears to be under development with exposed earth and some construction debris.
A row of newly constructed white houses lined up along a paved street. The homes feature simple architectural designs with slanted roofs. On one side, there is a tall concrete wall with sparse vegetation. The ground appears to be under development with exposed earth and some construction debris.
An aerial view of a residential area shows a construction site in the center, surrounded by roads and several houses with red roofs. The site features partially built structures with exposed concrete and construction materials. Greenery and trees fill the surrounding landscape, along with additional houses featuring swimming pools.
An aerial view of a residential area shows a construction site in the center, surrounded by roads and several houses with red roofs. The site features partially built structures with exposed concrete and construction materials. Greenery and trees fill the surrounding landscape, along with additional houses featuring swimming pools.
ADU Conversions

Transforming spaces into functional living areas.

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Customer Reviews

See what our clients say about our services.

A1 ADU Contractor transformed my home beautifully!

John Doe
A construction site of a house being built with wooden scaffolding surrounding the structure. The ground is covered with snow, and the sky is clear with a bright blue hue. The house is in the early stages of construction with a visible framework.
A construction site of a house being built with wooden scaffolding surrounding the structure. The ground is covered with snow, and the sky is clear with a bright blue hue. The house is in the early stages of construction with a visible framework.

Los Angeles

The team at A1 ADU Contractor was professional and efficient, delivering high-quality work on time. I highly recommend them for any home building project.

A large sign featuring the word 'CALE' is placed on top of a building with a tiled roof. A construction crane is visible in the background against a clear blue sky. Part of the building facade shows an arched window.
A large sign featuring the word 'CALE' is placed on top of a building with a tiled roof. A construction crane is visible in the background against a clear blue sky. Part of the building facade shows an arched window.
Jane Smith

San Diego

★★★★★
★★★★★
Contact

Get in touch with A1 ADU Contractor today.

About

Services

info@a1contractor.com

+1-800-555-0199

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