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ARCbuild 600 sqft prefab ADU exterior Starting at $160k
A joint partnership by

ARCbuild x LADU

600 sqft Pre-fab ADU

Optimized layouts for independent living

ARCbuild 600 sqft ADU floor plans offer flexible living with thoughtful zoning, full kitchens, and independent entrances.

1-Bedroom Floor Plan

1 bedroom floor plan
  • 600 sqft total area
  • 1 bedroom, 1 bathroom
  • Open-plan living and kitchen
  • Independent entrance

2-Bedroom Floor Plan

  • 600 sqft total area
  • 2 bedrooms, 1 bathroom
  • Open-plan living and kitchen
  • Independent entrance
2 bedroom floor plan

A Real Home. Built in Your Backyard

A premium ADU for rental income, family living, and long-term equity.

Architecture, Not an Add-on

The ARCbuild ADU is a prefabricated, engineered home — not a shed.

We deliver luxury living with a predictable timeline and end-to-end management by ARCbuild and LADU.

Space

600 sqft / Two-bedroom layout

Privacy

Independent entrance and functional zoning

Design

Flat or pitched roof options

Quality

Modern interiors and high-end finishes

Guest Suite · Rental Unit · In-Law Suite

Modern ADU interior living room
Timeline from concept to move-in ready

Ready to get started?

Book a free prefab consultation to see if a preab ADU is right for your property.