Adu Construction

An ADU is a fully functional secondary living space on your residential property. It includes a kitchen, bathroom, and sleeping area—and it can be detached, attached to your home, or converted from a garage. These versatile units are ideal for multigenerational living, passive income, or simply gaining more usable space.

Types of ADUs We Build

Detached ADUs

A separate structure built in your backyard for maximum privacy and independence.

Attached ADUs

An extension of your existing home with its own entrance and living space.

Garage Conversions

Transform your underused garage into a livable, rentable unit.

Above-Garage Units

A great way to utilize vertical space and preserve your yard.

Start Your ADU Project

Our ADU Construction Process

We make the ADU experience seamless, from initial idea to completed build. Here’s what to expect:

  1. 1. Site Visit & Consultation: We assess your property and listen to your vision.
  2. 2. Design & Planning: Our team creates a custom layout and prepares all necessary drawings.
  3. 3. Permits & Engineering: We handle every step of the permitting process with your city or county.
  4. 4. Construction: Skilled crews build your ADU with quality materials and attention to detail.
  5. 5. Final Walkthrough: We review every aspect of your new unit and ensure your complete satisfaction.
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Why Choose California Pro Builders?

  • Local experts in California ADU code and compliance
  • Fully licensed, bonded, and insured team
  • Custom designs to match your home and neighborhood
  • On-time completion and transparent pricing
  • Turnkey service—from design to final inspection

Frequently Asked Questions

An ADU, or accessory dwelling unit, is a secondary living space on a residential property, often with its own kitchen, bathroom, and separate entrance. Homeowners in Los Angeles County build ADUs to create space for family, add a private guest suite, set up a dedicated home office, or generate rental income while increasing long-term property value.
CA Pro Builders can build several common ADU types depending on your property and goals, including detached ADUs, attached ADUs, and converted ADUs such as garage conversions. The best option depends on available space, access, utility connections, and local requirements in your city or neighborhood.

Most single-family and multi-family properties in California can add at least one ADU, depending on local zoning rules, lot size, and setback requirements. We’ll evaluate your property and let you know exactly what’s possible during your consultation.

ADU costs vary based on size, type (detached, attached, or conversion), site conditions, utility connections, and finish level. A garage conversion may cost differently than a ground-up detached build because the scope and structural needs are different. CA Pro Builders provides project-specific estimates so you can understand real costs based on your property, goals, and design preferences.
ADU timelines depend on the type of ADU, the complexity of the design, and the permitting timeline. The overall process usually includes planning, permit approvals, and construction. After reviewing your property and goals, CA Pro Builders can provide a realistic timeline that includes key milestones and accounts for material lead times and inspections.
Yes. ADU construction is a permitted project and typically requires plans, city approvals, and inspections. Requirements can vary by city within Los Angeles County, but permits are a standard part of building an ADU. CA Pro Builders can guide you through the process and build your ADU to meet code and inspection requirements.

In most areas of California, yes! ADUs are often used for long-term rental income, offering homeowners a great return on investment. We’ll help ensure your unit complies with rental regulations in your city.

Absolutely. Garage conversions are one of the most popular and cost-effective ways to create an ADU. We’ll assess your garage’s structure and provide design options to maximize comfort and functionality.