Custom ADU Construction and Home Addition Services in the Bay Area
ADU Home Addition is a leading ADU contractor serving homeowners throughout the Bay Area. With over 12 years of experience, their team of skilled architects, designers, and builders specializes in designing and constructing high-quality accessory dwelling units, home additions, and in-law units. Their mission is to help homeowners maximize the value and functionality of their properties through expertly crafted living spaces.
Whether a homeowner is looking to house family members, generate rental income, or simply expand their living space, ADU Home Addition offers a comprehensive range of services to bring that vision to life. Their process covers everything from initial design and permit acquisition to full construction and interior finishing.
ADU and In-Law Unit Construction Services
As a trusted detached ADU builder and accessory dwelling unit builder, ADU Home Addition handles every aspect of the construction process. Their ADU services include:
- Custom ADU design and planning
- Permit acquisition and zoning compliance
- Site preparation and foundation work
- Framing and structural construction
- Electrical, plumbing, and HVAC installation
- Insulation and drywall
- Interior and exterior finishing
They also specialize as an in-law suite builder, creating comfortable, self-contained living spaces for aging parents, adult children, or long-term guests. Each in-law unit or casita is thoughtfully designed with separate entrances, outdoor spaces, and fully equipped kitchenette and bathroom facilities — offering the ideal balance of independence and proximity to the main home.
For homeowners interested in converting an existing structure, their team also works as a garage conversion contractor, transforming underutilized spaces into fully functional, code-compliant dwelling units.
Home Additions and ADU Rental Solutions
Beyond ADU construction, ADU Home Addition offers expert home addition and expansion services. From new bedrooms and bathrooms to spacious family rooms and home offices, their team designs and builds seamless additions that blend naturally with the existing home.
For those looking to generate income from their property, ADU Home Addition provides dedicated ADU rental solutions. Their rental-focused services include:
- Rental-optimized ADU design and planning
- Permit acquisition and zoning compliance
- Full construction and project management
- Interior finishing and appliance installation
- Rental marketing and tenant placement assistance
Their team guides homeowners through every step of the process — from designing an attractive, functional unit to helping attract quality tenants and maximize rental income potential.
Founded by a team of experienced architects, designers, and builders, ADU Home Addition recognized the growing demand for flexible and affordable housing solutions in the Bay Area. Over the years, they have grown into a thriving company known for delivering high-quality, code-compliant ADUs and home additions that genuinely improve the lives of their clients.