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Are you looking to add extra living space to your property in Lake Forest, CA? Pros ADU Builders is here to help you navigate the process of building an Accessory Dwelling Unit (ADU) seamlessly. Here’s how you can get started:

Step 1: Consultation

Contact Pros ADU Builders at (888) 545-6521 to schedule a consultation with our expert team. We will discuss your needs, budget, and vision for your ADU project.

Step 2: Design & Planning

Our skilled architects will work with you to design a custom ADU that complements your existing property and meets local regulations in Lake Forest, CA.

Step 3: Construction

Sit back and relax as our experienced builders bring your ADU to life. We handle all aspects of construction with precision and attention to detail.

Step 4: Completion & Handover

Once your ADU is ready, we will walk you through the final inspection and hand over the keys to your new living space.

Pros ADU Builders is the top choice for ADU construction in Lake Forest, CA. Here’s why you should choose us for your project:

  • Expertise: Our team has years of experience in designing and building ADUs that exceed our clients’ expectations.
  • Customization: We tailor each ADU to fit the unique needs and style preferences of our clients.
  • Quality Craftsmanship: From foundation to finishing touches, we prioritize quality and durability in every aspect of construction.
  • Local Knowledge: We understand the regulations and requirements for ADU construction in Lake Forest, CA, ensuring a smooth process from start to finish.

Q: What is an ADU?
A: An ADU, or Accessory Dwelling Unit, is a secondary housing unit that can be built on a single-family residential property.

Q: Do I need a permit to build an ADU in Lake Forest, CA?
A: Yes, you will need to obtain a permit from the city of Lake Forest before starting construction on your ADU.

Q: How long does it take to build an ADU?
A: The timeline for ADU construction can vary depending on the size and complexity of the project, but our team works efficiently to complete projects in a timely manner.

While your ADU project is underway, take some time to explore the beautiful city of Lake Forest. Here are some top sights to visit:

  • Whiting Ranch Wilderness Park: Enjoy hiking and mountain biking trails in this scenic park.
  • Arden Helena Modjeska Historic House and Gardens: Step back in time at this historic landmark.
  • Serrano Creek Park: Relax and unwind in this peaceful park with picnic areas and walking paths.

Contact Pros ADU Builders at (888) 545-6521 to begin your ADU construction journey in Lake Forest, CA today!

(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