OCA ADU Builders of Los Gatos
OCA ADU Builders of Los Gatos
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  • More
    • Home
    • ADU Types
      • Attached ADU
      • Detached ADU
      • Garage Conversion ADU
      • Internal ADU + JADU
    • About Oca
      • Contact Us
      • Your Local Owner
      • OCA ADU Gallery
    • Service Areas
      • Campbell
      • Cupertino
      • Los Gatos
      • Mountain View
      • San Jose
      • Santa Clara
      • Saratoga
      • Sunnyvale
      • Santa Cruz County
    • ADU Cost Estimations
    • County Guidelines
  • Home
  • ADU Types
    • Attached ADU
    • Detached ADU
    • Garage Conversion ADU
    • Internal ADU + JADU
  • About Oca
    • Contact Us
    • Your Local Owner
    • OCA ADU Gallery
  • Service Areas
    • Campbell
    • Cupertino
    • Los Gatos
    • Mountain View
    • San Jose
    • Santa Clara
    • Saratoga
    • Sunnyvale
    • Santa Cruz County
  • ADU Cost Estimations
  • County Guidelines
OCA ADU Builders specializes in Custom ADU's in Sunnyvale

Your Expert ADU Builder and Contractor in Sunnyvale, CA

At OCA ADU Builders, we specialize in creating custom Accessory Dwelling Units (ADUs) in Sunnyvale and Santa Clara County. We guide you through the entire process, from design and permits to construction, ensuring your ADU meets all local Sunnyvale regulations and adds significant value to your property.

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OCA Builders CSLB #1047731

About OCA ADU Builders in Sunnyvale: Your Local ADU Experts

Our Experience

Welcome to OCA ADU Builders in Sunnyvale, your go-to experts for top-quality ADU (Accessory Dwelling Unit) construction in Sunnyvale and neighboring areas. With over a decade of hands-on experience, we take pride in delivering outstanding craftsmanship and a customer experience that exceeds expectations. Specializing in ADU projects, our team at OCA ADU Builders is dedicated to bringing your ideas to life with precision, care, and attention to every detail. Whether you're expanding your living space or building a guest house, we're known for our commitment to excellence and on-time project delivery. See why homeowners in Sunnyvale and the surrounding region trust OCA ADU Builders for their ADU construction needs.

Our Commitment to Quality

At OCA ADU Builders in Sunnyvale, quality is at the core of everything we do. With an unwavering focus on excellence in every ADU (Accessory Dwelling Unit) project we take on in Sunnyvale and surrounding areas, we prioritize craftsmanship, meticulous attention to detail, and complete client satisfaction. With over a decade of industry experience, we’ve perfected our skills and processes to ensure that each ADU we build meets the highest standards of quality and professionalism. From the initial consultation to the final details, we aim for perfection at every step, delivering results that not only meet but exceed expectations. Rely on OCA ADU Builders in Sunnyvale for exceptional ADU construction services backed by years of experience and a passion for excellence. 

Discover the Variety of ADUs We Build in Sunnyvale

Detached ADU in Sunnyvale

Garage Conversion ADU in Sunnyvale

Detached ADU in Sunnyvale

  • Description: A separate, stand-alone structure on the same property as the primary residence.
  • Benefits: Provides maximum privacy and flexibility, ideal for rental income or housing family members independently.
  • Example: A small cottage or a modern studio in the backyard.

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Attached ADU in Sunnyvale

Garage Conversion ADU in Sunnyvale

Detached ADU in Sunnyvale

  • Description: An additional unit that is physically attached to the primary residence but has its own entrance.
  • Benefits: Often more cost-effective than detached ADUs, allows for close proximity while maintaining separate living spaces. This option seamlessly integrates with your existing home structure.
  • Example: An extension or addition to the side or rear of the main house.  

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Garage Conversion ADU in Sunnyvale

Garage Conversion ADU in Sunnyvale

Garage Conversion ADU in Sunnyvale

  • Description: Converts an existing garage into a livable unit.
  • Benefits: Utilizes existing structures, typically reducing construction costs and time.
  • Example: Transforming a single or double garage into a one-bedroom apartment or studio.

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Internal ADU in Sunnyvale

Junior ADU (JADU) in Sunnyvale

Garage Conversion ADU in Sunnyvale

  • Description: An ADU created within the existing footprint of the primary residence, such as an attic or a portion of the main house.
  • Benefits:   Cost-effective, minimal changes to the exterior of the home, ideal for multi-generational living. This option also allows for efficient use of underutilized spaces, enhancing the functionality of your home.
  • Example: A loft conversion or reconfiguration of interior spaces to create a separate living area.

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Junior ADU (JADU) in Sunnyvale

Junior ADU (JADU) in Sunnyvale

Junior ADU (JADU) in Sunnyvale

  • Description: A smaller type of ADU, typically up to 500 square feet, created within the walls of an existing single-family home.
  • Benefits: More affordable and quicker to build than larger ADUs, allows homeowners to maximize their existing space without significant alterations.
  • Example: Converting a master bedroom suite or a large room into a self-contained living unit with a small kitchen and bathroom facilities.

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Learn More about ADU Construction in Sunnyvale

OCA ADU Builders does the research, so you don't have to!
Santa Clara County InformationADU Cost EstimationsOCA ADU Project GalleryGet a Free Consultation

Frequently Asked ADU Questions in Sunnyvale

Please reach us at info@ocabuilds.com if you cannot find an answer to your question.

Sunnyvale does not require a minimum lot size for ADU construction, meaning properties of any size can potentially qualify. This provides flexibility for homeowners across the city to explore ADU development without worrying about space limitation.


In Sunnyvale, one off-street parking space is required for most ADUs. However, there are exceptions. If your ADU is located within ½ mile of public transit, or if you're converting an existing garage, you may be exempt from providing additional parking.


ADUs in Sunnyvale must maintain a minimum setback of 4 feet from the side and rear property lines. The maximum height allowed for most ADUs is 16 feet, ensuring the new unit blends with surrounding properties and maintains neighborhood aesthetics.


Yes, Junior ADUs (JADUs) are permitted in Sunnyvale. These units must be within the primary residence and are limited to 500 square feet. JADUs may share a bathroom with the main home but must have a separate entrance and kitchenette.


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At OCA ADU Builders in Sunnyvale, we’re here to make your ADU vision a reality. With our experienced team, commitment to quality, and dedication to customer satisfaction, we ensure a smooth and successful construction process from start to finish. Whether you’re looking to add extra living space, generate rental income, or increase the value of your property, we have the expertise to guide you every step of the way. Contact us today to learn more and get started on your ADU project in Sunnyvale!

OCA ADU Builders of Los Gatos

720 University Avenue, Los Gatos, California 95032, United States

(408) 826-8582 Info@OcaBuilds.com

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OCA ADU Builders of Los Gatos

720 University Ave

Los Gatos, CA 95032

(408) 826-8582

OCA@ADULosGatos.com

OCA Builders CSLB #1047731

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  • Attached ADU
  • Detached ADU
  • Garage Conversion ADU
  • Internal ADU + JADU
  • Contact Us
  • OCA ADU Gallery
  • Santa Cruz County
  • ADU Cost Estimations
  • County Guidelines

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