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Build Your Dream Home with Confidence

ADU Builders Group Custom Home Builder in San Jose, CA

We've been turning visions into realities for over 20 years. Let's make your dream home a reality today. Connect with us to get started!

We Are Your Local Custom Home Builder Company in San Jose

ADU Builders Group specializes in crafting custom homes that embody innovation, reliability, and personalized design, serving clients in San Jose, CA. With over 20 years of experience in the construction industry and a portfolio of more than 100 successful home improvement projects, they have earned a reputation for excellence, as evidenced by their consistent 5-star client reviews. They stand behind their work with a solid 10-year structural warranty and offer an exceptional service of annual project inspections for three years at no additional cost, ensuring that each custom-built home remains in peak condition. Whether you're looking to create a unique living space that reflects your personal style or seeking a dependable partner for your home construction journey, ADU Builders Group offers a seamless and satisfying home-building experience.

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Why Should We Choose a Custom Home Builder for Our Dream Home?

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When we're ready to make the leap into homeownership, why settle for a pre-built home that doesn't quite fit all of our needs? Choosing a custom home builder like ADU Builders Group allows us to turn our specific dreams into reality. We're not just building a house; we're crafting our future sanctuary.

Choosing a custom home means we're in control from the ground up. Whether it's selecting the perfect layout to maximize our living space or picking out materials that align with our sustainability goals, every detail is up to us. We can guarantee our new home reflects our personal style and meets all our functional needs. Imagine customizing everything from the window placements for the best natural light to a custom-designed kitchen that would make any chef envious.

- Complete Personalization: Tailor every element, from the floor plan to the faucets.


- Enhanced Comfort: Design spaces that perfectly fit our lifestyle, whether it's a sunlit reading nook or a spacious home office.


- Increased Home Value: Create a unique home that stands out in the market, potentially offering higher returns on investment.

Servicing the vibrant area of San Jose, ADU Builders Group ensures that our new home is not just any place to live, but a reflection of our deepest desires and a cornerstone for our future. Isn't it time we lived in a space where every corner and crevice tells our story?

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Why Choose ADU Builders Group As Your Custom Home Builder in San Jose?

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- 20 Years Building Expertise
- 100+ Successful Projects
- Exclusively 5-Star Reviews
- 10-Year Structural Warranty
- Serves San Jose, CA

At ADU Builders Group, we believe that building your custom home should be as straightforward and stress-free as possible. Serving the San Jose area, we bring over 20 years of expertise to your project, ensuring every detail is handled with precision. We've completed more than 100 home improvement projects, all garnering 5-star reviews, thanks to our commitment to innovation, reliability, and personalized service. Choosing us means you're not just getting a builder; you're partnering with a team that provides a 10-year structural warranty and free annual inspections for three years, guaranteeing peace of mind long after your keys are handed over. Let's make your dream home a reality together!

Fun Facts About San Jose California

San Jose, Northern California's largest city, serves as a significant hub for technology, culture, and politics. Key attractions include the San Jose Museum of Art and the Tech Interactive science center. The historic San Pedro Square Market adds to its charm. The city features diverse neighborhoods, along with a wide array of shopping and dining options, making it a vibrant place to visit or live. Its rich offerings and dynamic atmosphere encapsulate the innovative spirit of the region.

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  • Are you licensed?
    Yes, we are! We operate under the license of our sister company Imagine Unique Remodels with License No. 1019318. ADU Builders Group is managed by the same team running Imagine Unique Remodels.
  • How long have you been working in this industry?
    We have been in the construction industry for over 20 years and over 5 years in the ADU industry.
  • What is an accessory dwelling unit?
    An ADU (Accessory Dwelling Unit) is a secondary housing unit that can be built on a single-family residential lot. It is also known as a granny flat, backyard cottage, or in-law unit. ADUs may be attached to the primary residence, such as a garage or basement conversion, or they can be detached structures. They offer an innovative and effective option for adding much-needed housing in densely populated areas, and they can also provide rental income or housing for family members.
  • What are the benefits of having an accessory dwelling unit?
    The benefits of having an accessory dwelling unit (ADU) include additional living space, rental income, increased property value, affordable housing, multigenerational living, and sustainable living practices.
  • How do I build an accessory dwelling unit?
    The process of building an accessory dwelling unit (ADU) varies depending on state and local regulations, but generally involves the following steps: Check Zoning and Building Codes: Check local zoning and building codes to determine if building an ADU is allowed on your property. Design: Work with an architect or design professional to create a plan for your ADU that meets local building and zoning requirements. Permits: Obtain the necessary permits from the local government to build the ADU. Construction: Hire a contractor or builder to construct the ADU. Utilities: Connect the ADU to water, sewer, electricity, and gas utilities. Inspection: Have the ADU inspected by the local government to ensure it meets safety, health, and building standards. Occupancy: Once the ADU passes inspection, it can be occupied by tenants or family members. It's important to follow all local regulations and obtain any necessary permits before starting construction on an ADU.
  • How do I get permits for an accessory dwelling unit?
    Getting permits for an accessory dwelling unit (ADU) involves the following steps: Research local zoning and building codes to determine if ADUs are allowed on your property. Check with the local government to determine what permits are required for an ADU. Submit an application and required documentation, such as architectural drawings and floor plans. Undergo permit review by the local government to ensure the ADU meets safety, health, and building standards. Receive final approval for the ADU permit, which allows construction to begin.
  • How long does it take an ADU and JADU application to get approved?
    Whether or not a local agency has adopted an ordinance, applications to create an ADU or JADU shall be considered and approved ministerially within 60 days from the date the local agency receives a completed application.
  • What are the requirements for an accessory dwelling unit?
    The requirements for an accessory dwelling unit (ADU) vary depending on the jurisdiction, but generally include the following: The ADU must be located on the same lot as the primary residence. The ADU must have its own living, sleeping, cooking, and bathroom facilities. The ADU must comply with local zoning and building codes. The ADU may need to meet certain size and height requirements. The ADU may require additional parking spaces. The ADU may need to be inspected and approved by the local government before it can be occupied.
  • What is the minimum lot size requirement in order to build an ADU?
    There is none. State ADU Law prohibits local agencies from including in development standards for ADU requirements on minimum lot size. Further, lot coverage requirements cannot preclude the creation of a statewide exemption ADU of at least 800 square feet, 16 feet in height, and with four-foot side and rear yard setbacks.
  • What are the unit size requirements for ADUs?
    Local agencies are prohibited from establishing a minimum square footage requirement for either an attached or detached accessory dwelling unit that prohibits an efficiency unit which has a minimum floor area of 150 square feet. More to that, local agencies shall not establish maximum square footage requirement for either an attached or detached accessory dwelling unit that is less than 850 square feet, or 1,000 square feet for ADUs with more than one bedroom. For local agencies without an ADU ordinance, maximum unit sizes are 1,200 square feet for a new detached ADU and up to 50 percent of the floor area of the existing primary dwelling for an attached ADU (at least 800 square feet).
  • Can maximum unit sizes exceed 1,200 square feet for ADUs?
    Yes, but double-check with your local agency first. Maximum unit sizes can exceed 1,200 square feet for ADUs through the adoption of a local ADU ordinance.
  • What are the restrictions for an accessory dwelling unit?
    The restrictions for an accessory dwelling unit (ADU) vary depending on the jurisdiction, but generally include the following: The lot size must meet certain requirements. The ADU must comply with local zoning and building codes. The ADU may have size restrictions or limitations on the number of bedrooms. The ADU may require additional parking spaces. The ADU may need to be owner-occupied. The ADU may have restrictions on the use of the unit, such as prohibiting short-term rentals.
  • How much does it cost to build an accessory dwelling unit?
    The cost to build an accessory dwelling unit (ADU) varies depending on several factors such as the size, location, and materials used. According to recent estimates, the typical price to build an ADU is between $60,000 and $360,000. However, the cost can be as low as $30,000 or higher than $400,000 depending on the project's specifics. It's important to obtain detailed cost estimates and account for all associated expenses. Free to consult with us and get a quotation.
  • Are there any financing options for an accessory dwelling unit?
    As of June 2023, there are financing options available for building an accessory dwelling unit (ADU). Some of the financing options include cash-out refinancing, renovation financing, home equity loans and lines of credit (HELOCs), construction or renovation loans, unsecured loans, and ADU-specific loans. It's important to research and compare various financing options to determine which one is best suited for your particular situation. AS of March 01,2023, CalHFA has closed grant reservations for March 1st.

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