4 Bed, 3 Bath Detached ADU – 1200 sq. ft.

BR4-BA3-1200b

Plan Details

  • Size: 1200 sq. ft.
  • Model: BR4-BA3-1200b
  • Layout: 4 bedrooms, 3 bathrooms, detached single-story

Amazing 4 Bedroom, 3 Bathroom Layout

At 1200 sq. ft., the BR4-BA3-1200b offers one of the most spacious and versatile ADU layouts available, featuring four bedrooms and three full bathrooms. This makes it an excellent choice for large families, multi-generational living, or investors who want to maximize rental potential.

At Pacific Sands, we design ADUs that strike the right balance between functionality, flexibility, and cost-effectiveness. The BR4-BA3-1200b Model is a 1200 sq. ft. detached ADU that provides all the space of a full-sized home in a layout optimized for comfort and efficiency.


Whether you’re seeking a private retreat, guest house, or income-generating rental unit, this design maximizes your property’s potential while keeping construction and maintenance practical.


Key Features

Upgraded Amenities

  • Mini-split A/C in the living room.
  • Ceiling fans in all four bedrooms.
  • Straight-line kitchen layout — efficient, stylish, and perfect for chefs.

4 Bedrooms

  • One of the few ADU layouts designed to fit four bedrooms into a 1200 sq. ft. footprint.
  • Ideal for maximizing occupancy or rental value.

3 Full Bathrooms

  • Each bathroom includes a shower/tub combo with integrated shelving, quartz countertops, and modern single-sink vanities.
  • Perfect for families with kids or multiple occupants who value convenience.

Benefits for Homeowners

  • Spacious Living – Four bedrooms and three bathrooms create a true home-like experience.
  • Flexible Use – Ideal for a guest house, rental unit, or multi-generational residence.
  • Modern Comfort – Upgraded amenities and thoughtful layout ensure daily living is both stylish and efficient.
  • Property Value – A high-capacity ADU enhances both the functionality and resale value of your property.

Why Choose the BR4-BA3-1200b Model?

The BR4-BA3-1200b Detached ADU is designed for homeowners who want a large, versatile living space without compromising on comfort or efficiency. With upgraded amenities, a spacious open concept, and four bedrooms, this model is one of the most livable and investment-ready ADUs in our collection.


At Pacific Sands, we don’t just provide plans—we also support you through the permitting process and can customize layouts to align with your property and lifestyle.


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

20+ years of expertise and creative solutions in permitting Construction Plans. We are trusted partners in Southern California.

Permits Approved

We permit more projects in SoCal than almost anyone. Our services are backed by a promise to deliver excellence.

Budget Wise

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