Expert ADU Builder and Licensed Contractor in Santa Cruz
OCA Builders: ADU Construction
Expert ADU Builder and Licensed Contractor in Santa Cruz
OCA Builders: ADU Construction
ADU Design and Pre-Approved Floor Plans in Santa Cruz County
We make planning your ADU simple with pre-approved ADU floor plans available through Santa Cruz County. Whether you want a cozy 425 sq. ft. studio, a one-bedroom with a spacious porch, or a two-bedroom ADU for a growing family, OCA Builders offers modern, coastal, and bungalow designs. By using county-approved floor plans, we can streamline the permit process and save you time.
Pre-Designed ADU Plans Approved by Santa Cruz County
425 square foot studio or optional 1-bedroom and 1-bathroom with 76 square foot front porch.
- Choose between classic bungalow, coastal Mediterranean, and sleek modern.
637 square foot 1-bedroom and 1-bathroom with 85 square foot front porch.
- Choose between classic bungalow, coastal Mediterranean, and sleek modern.
998 square foot 2-bedroom and 1-bathroom with 62 square foot front porch.
- Choose between classic bungalow, coastal Mediterranean, and sleek modern.
Build a Sustainable, Energy-Efficient ADU
Many Santa Cruz homeowners are choosing green building methods when constructing ADUs. At OCA Builders, we specialize in energy-efficient insulation, strategic window placement for natural light, and solar-ready roofing options. These features not only lower your energy bills but also align with Santa Cruz’s environmentally conscious lifestyle.
ADUs for Family Living and Rental Income
An ADU can provide flexible housing for parents, adult children, or guests — while also generating rental income. Many Santa Cruz homeowners also use ADUs as Airbnb or short-term rentals. Whether you need multi-generational housing or a rental unit to offset your mortgage, we’ll design a space that works for your goals.
Explore Our Expert ADU Construction Options
Detached ADU
Garage Conversion ADU
Detached ADU
- 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.
Attached ADU
Garage Conversion ADU
Detached ADU
- 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.
Garage Conversion ADU
Garage Conversion ADU
Garage Conversion ADU
- 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.
Internal ADU
Junior ADU (JADU)
Garage Conversion ADU
- 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.
Junior ADU (JADU)
Junior ADU (JADU)
Junior ADU (JADU)
- 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.
From Garage Conversions to Two-Story ADUs — We Build It All
At OCA Builders, we specialize in every ADU type Santa Cruz homeowners need — including garage conversions, two-story ADUs, basement units, junior ADUs, and guest houses. Whether you’re looking to turn a garage into a rental apartment, add a two-story ADU for multi-generational living, or create a backyard cottage, we can help you maximize your property.
How Much Does an ADU Cost in Santa Cruz?
The cost of building an ADU in Santa Cruz depends on size, design, and site conditions. On average, homeowners can expect to invest between $150,000 and $350,000 for a complete project. OCA Builders also connects you with financing options so you can make your ADU affordable. Whether you’re building a rental unit for extra income or housing family members, we’ll provide a detailed cost estimate upfront.
Understanding Santa Cruz County ADU Regulations
Santa Cruz County has unique zoning rules and parking requirements for ADUs. Our team stays up to date with local codes to ensure your project is compliant. From setbacks to height limits, we’ll handle the details. We also manage the permit process, saving you time and reducing stress. With OCA Builders, you’ll have a licensed contractor who understands both the big picture and the small details.