ADU Construction & Garage Conversion

High-quality ADU construction, garage conversions, and accessory living spaces built to add comfort, function, and long-term value.

ADU Construction & Garage Conversion

Custom detached ADUs, attached ADUs, garage conversions, and accessory living spaces for Southern California homeowners.

SE Builders delivers professional ADU construction and garage conversion services for homeowners looking to unlock the full potential of their property. Whether you need additional living space for family, a private guest suite, a home office, or a rental-ready unit, our team builds functional spaces with quality, precision, and care.

From site preparation and foundation work to framing, utility coordination, interior build-out, and finishing details, SE Builders helps manage the construction process from planning through completion. We work closely with homeowners, architects, designers, engineers, and local authorities to ensure each ADU is built according to approved plans, local building codes, and the goals of the property owner.

What We Deliver

• Detached ADUs
• Attached ADUs
• Garage conversions
• Guest houses and family suites
• Home office and flex-space conversions
• Accessory structures and outdoor living upgrades
• Site preparation and foundation work
• Interior build-out and finish work

Our Approach

We focus on building ADUs that feel practical, comfortable, and connected to the existing property. Every project begins with a clear understanding of the homeowner’s goals, available space, approved plans, and construction requirements. SE Builders does not directly provide architectural design services, but we work closely with trusted architects and design professionals to bring approved designs to life with strong craftsmanship and attention to detail.

Quality & Long-Term Value

An ADU is more than extra square footage. It can support multigenerational living, create rental income opportunities, increase property value, and transform underused space into something meaningful. Our team works carefully to minimize disruption, identify potential issues early, and deliver a finished space that is durable, code-compliant, and built for everyday use.