ADU 400 - ADU (1 Bed)

$99,900

Fully Finished Price

400 Square Feet - MUBEC Compliant Tiny Home

Design Direction
ADU 400 design direction render by Place Buildings - Image 1
Fully Assessed & MUBEC Compliant: Engineered specifically to meet all strict residential requirements of the Maine Uniform Building and Energy Code.
Fully Customizable: Kitchen layouts, bathroom fixtures, and interior finishes can be fully customized to your exact luxury standards.

A spacious, fully separated 1-bedroom dwelling. The ADU 400 provides genuine multi-generational living capabilities with distinct sleeping and living quarters.

Installed Project Estimate

Estimated Total Cost$110k - $135k

* Total Estimated Cost includes the unit itself, municipal permitting, foundation preparation, and core utility trenching. Final cost varies based on property conditions.

Standard Features

  • Passive House–inspired high-performance insulated building envelope
  • Full bathroom with plumbing, fixtures, and finished surfaces included
  • 18,000 BTU Mitsubishi Hyper-Heat heating and cooling system
  • Heat Recovery Ventilator for continuous fresh-air exchange
  • Fully finished interior and exterior with electrical work included
  • Triple-pane European-style windows and exterior doors
  • Standing seam metal roof

Ideal For

Long-Term Rental IncomeMulti-Generational HousingAging In Place

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