ADUs | South Bay Area + Santa Clara County

If you're looking to expand your home in Santa Clara County without the hassle of a traditional addition, an Accessory Dwelling Unit (ADU) can offer the flexibility you need. At Heartwood Residential Design + Build, we specialize in crafting personalized ADU solutions that not only comply with local regulations but also resonate with your lifestyle.

Partnering with Heartwood means you have an advocate who understands the regulations of Santa Clara County, values your individual needs, and is committed to supporting you throughout the entire building process. Together, we’ll create a space that enriches your life and reflects your vision for a harmonious home.

San Jose and Santa Clara County ADU Builders

At Heartwood Residential, our approachable and experienced team takes the stress out of your project by seamlessly managing both design and construction. We specialize in crafting unique Accessory Dwelling Units (ADUs)—from detached units and garage conversions to attached structures—ensuring each space enhances your home’s overall harmony.

Navigating Santa Clara County’s ADU requirements can be complex, but our expertise in local regulations means you can rest easy. We’ll guide you through zoning laws, setback requirements, and clarify what’s possible for your ADU, including what defines a junior ADU.

More than just builders, we offer a diverse range of services tailored to meet the specific needs of your family. Together, we’ll create an addition that not only complements your home and supports your lifestyle.

Heartwood Residential Design + Build: Our Process

Building an Accessory Dwelling Unit (ADU) in the South Bay Area is not just an investment in your property; it's a commitment to enhancing your family's lifestyle. At Heartwood Residential Design + Build, we recognize that the costs of your ADU are influenced by design, style, and material choices. We offer transparent estimates that empower you to budget effectively while maintaining the highest quality.

Our streamlined process ensures that your ADU will not only align with your family's unique needs but also adhere strictly to Santa Clara County regulations.

Are you ready to elevate your property with a custom ADU? Contact Heartwood Residential Design + Build to schedule a consultation. Together, we’ll navigate the journey of creating an ADU that complements your lifestyle and adds lasting value to your home.

Frequently Asked ADU Building Questions

How Much Does an ADU Cost in the South Bay Area?

The range for an ADU in the South Bay Area depends on the size of the ADU, the materials you use, and the design of the project.

While many people think they're a cheap addition, in reality, it takes a good deal of time and organization to create an ADU that passes zoning regulations and one that you want to live in.

The beauty of an ADU is in the flexibility it provides.

Do I Need a Permit to Build an ADU in California?

There's nothing so sure as death, taxes, and permits in California.

In Santa Clara County, you do need a permit to build an ADU. Our team is quite familiar with the process, which helps to make it an easier and quicker process for you.

What Is the Difference Between an ADU and a Room Addition?

An ADU is not just a bonus room unattached to your home.

In Santa Clara County, an ADU must have its own living, sleeping, eating, cooking, and sanitation facilities, including a full kitchen and bathroom.

Whereas, in a room addition, an additional room is just a room.

What is the Minimum Size for an ADU in California?

The minimum size of an ADU in California varies from county to county. However, in Santa Clara County, a junior ADU can be as small as 500 square feet.