ADU Floor Plans

Looking for smart, stylish, and flexible ADU design ideas? At ADU Scale, we help Californians transform garages, backyards, and underused spaces into beautiful, high-functioning living areas that fit their goals and boost property value.
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Attached ADU Ideas

An attached ADU is built as an extension of the primary home. It can share a wall, basement, or even garage space. This approach is ideal for lots with limited space or when you want seamless indoor access.
Garage Conversion Studio
Compact, open-plan layout with essentials
Over-Garage Apartment
Private entrance with upstairs living space
Rear Bump-Out Addition
Extended living area with full kitchen
Basement ADU Retreat
Cozy, self-contained unit below grade
How it Works

Garage ADU Plans and Steps to Build It

We guide you through the process from concept to your custom-designed ADU construction with clarity and care.
01
Evaluate Your Property
We assess zoning, structure, and site potential.
02
Design Your Ideal Layout
Creating a custom ADU floor plan that fits your goals.
03
Handle Permitting for You
We manage the paperwork and city approvals.
04
Coordinate Construction Start
Our crew prepares the site and begins building.
05
Build with Quality and Care
From framing to finishes, we handle every detail.
06
Pass Final Inspections
We ensure everything meets local code and standards.
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Cost Estimate

The cost to build an ADU in Los Angeles or San Diego typically ranges from $100,000 to $250,000. Attached ADU ideas, such as converting a garage or basement, can be more budget-friendly compared to detached new builds.
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Challenges in Floor Plan Design

Maximizing Small Spaces
Compact living solutions require creative layouts to fit essentials without feeling cramped or cluttered.
Adapting ADU with Garage Plans
Existing garage dimensions can limit layout options and require smart design to add plumbing and insulation.
Balancing Privacy and Openness
Modern ADU floor plans must provide privacy while keeping a bright, open feel in a small footprint.
Accommodating Multiple Uses
Flexible floor plan options are essential for ADUs that serve as rentals, offices, or multi-generational housing.
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Get Started with ADUSCALE Today

Ready to make the most of your property? Whether you're thinking about a small home ADU, a tiny home, or a fully detached ADU, we’re here to help.
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More information

Whether you're a homeowner wanting more space, an investor increasing property value, or a builder planning your next project, designing the right ADU starts with understanding what’s possible. At ADU Scale, we help Californians turn their backyards, garages, and underused spaces into high-functioning living environments.
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