ADU 400
Step up to independence. Starting at $120,000, this 400 sq. ft. unit offers a separate bedroom and full kitchen, making it the ideal solution for couples, long-term tenants, or aging parents who need their own space.
A True Home in a Compact Package
The ADU 400 bridges the gap between a studio and a full-sized home. By separating the sleeping quarters from the living area, we provide the privacy necessary for long-term comfort while maintaining a footprint that fits easily in most backyards.
Full Kitchen
True Privacy
Higher Rental Rates

Room to Breathe
We prioritize flow and light, ensuring that every square foot serves a purpose without feeling cluttered.
The Separate Bedroom
A dedicated sleeping space that accommodates a queen bed and storage, offering a true retreat.
Open Living & Dining
A welcoming living area that connects seamlessly to the kitchen, perfect for relaxing or entertaining.
Bright & Airy
Large windows maximize natural light, making the 400 sq. ft. interior feel significantly larger.

Why Choose the ADU 400?
This is our most popular model for homeowners housing aging parents. It provides the autonomy they want with the proximity you need, all while increasing your property value with a fully functional 1-bedroom home.
Customize Your Curb Appeal
Select an architectural style that thoughtfully complements both your property's existing character and the broader aesthetic of your neighborhood. Consider how your choice will harmonize with surrounding homes and contribute positively to the overall visual appeal of the area.

Coastal Cottage
A breezy, light-filled aesthetic with natural textures that feels right at home on the coast.

Natural Modern
Sophisticated and simple, using clean lines and earth tones to connect with nature.

Farmhouse
Warm and inviting, blending rustic elegance with cozy, classic finishes.
Compare Other Sizes
Need less space or room for more people? Check out our other pre-designed options.
Start Your Project Today
Contact us to discuss the ADU 400 and get a free site assessment for your property.



