Sunset Haven – 500 Sq Ft Duplex ADU Plan

Sunset Haven is a modern 500 sq ft duplex ADU designed for efficient, flexible living within a compact footprint. Each of the two identical one-bedroom units sits above a shared carport, combining privacy, comfort, and light-filled design — ideal for rental income, guest housing, or multigenerational use.

Sunset Haven ADU Plan Overview

• Total Living Space: 500 sq ft (per unit).
• Bedrooms: 1 bedroom per unit, with space for a queen bed and built-in storage.
• Bathrooms: 1 full bath per unit, with walk-in shower and modern fixtures.
• Stories: 1 story per unit, elevated above a shared carport for efficient land use.
• Footprint: 35’ x 27’, rectangular design ideal for compact or sloped lots.
• Type: Duplex ADU (two self-contained units).
• Design Style: Modern California architecture emphasizing light, flow, and simplicity.

Efficient and Comfortable Living

Each Sunset Haven unit offers a bright open-plan layout that combines the kitchen, dining, and lounge areas in one cohesive space. Full-size appliances, ample cabinetry, and clean linear finishes create a practical yet stylish cooking area. Large windows flood the interior with daylight and fresh air, making the home feel spacious and inviting despite its compact size.

Private Bedroom and Modern Bath

The bedroom is set apart from the main living zone, providing a quiet and restful retreat. It comfortably accommodates a queen bed and includes smart storage solutions. The bathroom is finished with contemporary materials and a walk-in shower, offering both comfort and efficiency in design.

Duplex Versatility

By pairing two identical units within a single footprint, Sunset Haven offers exceptional flexibility. The layout is perfect for generating rental income, housing extended family, or creating a live–work setup. The elevated design with a shared carport maximizes space while maintaining privacy for both occupants.

Customization Options

Sunset Haven can be adapted to meet your specific site and needs:

• Adjust exterior finishes to match main house or neighborhood style.
• Upgrade kitchen and bathroom materials for a premium feel.
• Add solar panels or energy-efficient HVAC systems for sustainability.
• Incorporate a shared storage or laundry area under the carport.

Why Choose the Sunset Haven Duplex ADU Plan?

Compact, contemporary, and adaptable — Sunset Haven delivers maximum value and design efficiency in a 500 sq ft footprint. Perfect for California homeowners seeking a flexible ADU floor plan that enhances property value while maintaining modern comfort and style.

Explore more 500 sq ft ADU plans or browse our full collection of California ADU designs to find the right layout for your property.