1 Bed, 1 Bath L-Shaped Detached ADU – 580 sq. ft.

BR1-BA1-580b

Plan Details

  • Size: 580 sq. ft.
  • Model: BR1-BA1-580b
  • Layout: 1 bedroom, 1 bathroom, detached L-shaped ADU

Functional 1 Bedroom + 1 Bathroom Layout

The BR1-BA1-580b makes use of its L-shaped floor plan to naturally separate the kitchen + living area from the bedroom + bathroom wing. This creates privacy while maintaining a smooth, connected flow throughout the home.

At Pacific Sands, we design ADUs that deliver functionality, privacy, and modern appeal in compact footprints. The BR1-BA1-580b Model is a 580 sq. ft. L-shaped detached ADU with a 1 bedroom, 1 bathroom layout that offers separation between living and private areas while maximizing natural light.


This plan is ideal for individuals, couples, or rental investors who want a stylish, space-efficient unit that feels larger than its square footage.


Key Features

Desirable L-Shape Layout

  • Living room and kitchen are grouped together for a seamless entertaining space.
  • Bedroom and bathroom are located on the opposite wing for privacy.

Abundance of Natural Light

  • More exterior wall space means more opportunities for windows.
  • The layout is designed to allow natural light to penetrate living spaces throughout the day.
  • Especially beneficial in urban or smaller-lot settings where sunlight access may be limited.

Architectural Appeal

  • L-shape creates a distinctive, modern exterior compared to traditional rectangular ADUs.
  • Flexible rooflines, windows, and door placements can be customized to fit your property.
  • Pairs beautifully with patios or outdoor seating areas.

Benefits for Homeowners

  • Indoor-Outdoor Flow – The “L” naturally frames outdoor patios or courtyards, perfect for Southern California living.
  • Privacy & Flexibility – Bedroom and bathroom are tucked away for quiet, private use.
  • Smaller Lot Friendly – Works well on corner or narrow lots where rectangular ADUs may not fit.
  • Compact & Efficient – At under 600 sq. ft., this model is affordable to build, energy-efficient, and easy to maintain.
  • Multi-Purpose Appeal – Can serve as a rental, guest suite, or private home office/retreat.

Why Choose the BR1-BA1-580b Model?

The BR1-BA1-580b Detached ADU is perfect for homeowners who want a compact but stylish ADU that enhances property value and livability. Its L-shaped configuration provides natural light, privacy, and a distinctive design—while keeping construction cost-effective and efficient.


At Pacific Sands, we also provide permitting guidance and design customization, so the BR1-BA1-580b can be tailored perfectly to your property.


1 bedroom ADU 3D drawing
2 bedroom ADU 3D model
3 bedroom ADU 3D model
4 Bedroom ADU 3D model
2 unit ADU floorplan

Industry Experts

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Budget Wise

We understand the importance of staying in your budget, and we design with building costs as a primary factor.