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Pros ADU Builders is proud to serve the Signal Hill area near Lake Forest, CA. If you’re looking to add an Accessory Dwelling Unit (ADU) to your property, follow these simple steps to get started:

Step 1: Contact Us

Give us a call at (888) 545-6521 to schedule a consultation. Our expert team will discuss your ADU project requirements and provide a personalized quote.

Step 2: Design Consultation

Our designers will work with you to create a custom ADU plan that suits your needs and budget. We’ll ensure that your new ADU complies with all local building codes and regulations.

Step 3: Construction

Sit back and relax as our experienced builders bring your ADU vision to life. We handle everything from permits to final inspections, ensuring a seamless construction process.

Pros ADU Builders stands out as the premier ADU construction company in the Signal Hill area. Here’s why you should choose us for your ADU project:

  • Expertise: With years of experience in ADU construction, we have the knowledge and skills to deliver high-quality results.
  • Customization: We tailor each ADU project to our clients’ unique preferences and requirements, ensuring a personalized touch.
  • Timely Completion: Our efficient team works diligently to complete projects on time and within budget.

Q: What is an ADU?
A: An Accessory Dwelling Unit (ADU) is a secondary housing unit built on a single-family residential lot. It can serve as a rental property, guest house, or extra living space.

Q: Do I need a permit for an ADU?
A: Yes, you will need to obtain the necessary permits from the local authorities before constructing an ADU on your property.

Q: How long does it take to build an ADU?
A: The timeline for building an ADU can vary based on the size and complexity of the project. Our team will provide you with a detailed construction schedule.

While your ADU project is in progress, take some time to explore the top sights near Signal Hill in Lake Forest, CA:

  • Whiting Ranch Wilderness Park: Enjoy hiking and biking trails amidst scenic landscapes.
  • Serrano Creek Park: Relax in this beautiful park with picnic areas and walking paths.
  • Etnies Skatepark: Watch skaters in action or try your skills at this popular skatepark.

Contact Pros ADU Builders today at (888) 545-6521 to begin your ADU construction journey in the Signal Hill area near Lake Forest, CA.

(888) 545-6521

Contact Pros ADU Builders today for a free ADU consultation and quote. Let’s bring your vision to life!

Ready to Expand Your Space?

(888) 545-6521
About Us

About us

Pros ADU Builders is a team of passionate local experts specializing in Accessory Dwelling Unit construction. We’re not just builders — we’re problem solvers who care about your property, goals, and lifestyle. Whether you're creating a backyard rental unit or housing for extended family, we guide you through every step, from planning to move-in. With a focus on quality materials, reliable timelines, and customer satisfaction, we deliver custom ADU builds that meet both your budget and city codes. When you hire us, you're hiring a neighbor who truly understands the value of space, privacy, and smart investment.

Know More About Us

Turnkey ADU Solutions

From permits to paint, we manage every detail so you don’t have to.

Locally Licensed & Code Compliant

Built to pass inspection and stand the test of time.

Custom Designs for Any Property

Backyard, garage, or detached—tailored builds that match your home’s style.

Built By Neighbors You Can Trust – Derek, Marla, Jayson, and Lena at Pros ADU Builders

(888) 545-6521