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At Pros ADU Builders, we make it easy for Lake Forest, CA residents to add value to their properties with Accessory Dwelling Units (ADUs). Follow these simple steps to get started on your ADU project today:

Step 1: Consultation

Contact us at (888) 545-6521 to schedule a free consultation. Our team will assess your property and discuss your ADU needs and vision.

Step 2: Design & Permitting

Our expert designers will work with you to create a customized ADU plan that meets your requirements and complies with local regulations. We handle all the necessary permits for you.

Step 3: Construction

Once the design is finalized and permits are secured, our skilled builders will begin construction on your ADU. We ensure high-quality workmanship and timely completion.

Pros ADU Builders is the premier choice for ADU construction in Lake Forest and surrounding areas. Here’s why you should choose us for your ADU project:

  • Experienced team with a proven track record of delivering exceptional ADUs
  • Customized designs tailored to your specific needs and preferences
  • Efficient project management to ensure timely completion
  • Transparent pricing with no hidden costs
  • Excellent customer service and support throughout the entire process

Q: What is an ADU?
A: An Accessory Dwelling Unit (ADU) is a secondary housing unit on a single-family residential lot. It can be attached to or detached from the main house.

Q: How long does it take to build an ADU?
A: The timeline for ADU construction varies depending on the size and complexity of the project. On average, it takes 3-6 months from design to completion.

Q: Do I need a permit for an ADU in Lake Forest, CA?
A: Yes, you will need a permit from the city of Lake Forest to build an ADU on your property. Our team will handle the permitting process for you.

While your ADU project is in progress, take some time to explore the top sights in Lake Forest and its surrounding areas:

  • Whiting Ranch Wilderness Park
  • Heritage Hill Historical Park
  • Irvine Spectrum Center
  • Laguna Beach
  • Mission San Juan Capistrano

Contact Pros ADU Builders at (888) 545-6521 to start your ADU project 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