skip to Main Content
MA Modular Grand-Ma Prefab Home Model - Image Of Rear Exterior And Deck After Construction Complete.

MA Modular / Grand-Ma 550

MA Modular Grand-Ma 550 Prefab Home

The GrandMa 550 model by MA Modular is a 550 sq ft accessory building designed for use as a guest house, small vacation home, office, studio or other.

The home features a single bedroom and bathroom. The home design offers an abundance of natural light, featuring large sliding glass doors and celestory windows. In addition, high ceiling heights and an open design create a sense of space larger than the home’s size.

MA Modular Grand-Ma 550 Features

  • Open, modern, high ceiling height living space
  • Large glass sliding doors
  • Celestory windows add light
  • Flexible layouts
  • Entry deck

MA Modular Grand-Ma prefab home model - image of rear exterior and deck after construction complete.
MA Modular Grand-Ma – exterior rear

MA Modular Grand-Ma prefab home model.

MA Modular Grand-Ma prefab home interior and deck view.
MA Modular Grand-Ma – interior, deck

MA Modular Grand-Ma prefab home interior living area and sliding glass doors to rear deck.
MA Modular Grand-Ma – interior

MA Modular Grand-Ma modern prefab home bathroom.
MA Modular Grand-Ma – bathroom

MA Modular Grand-Ma prefab home kitchen and rear hallway.
MA Modular Grand-Ma – kitchen

MA Modular Grand-Ma 550 Room Summary (

First Floor

Public Living Space

Private Living Space


Utility Space

Outdoor Space

Second Floor



Additional Rooms

Build Details

Foundation: Multiple Options
Roofing: Metal
Framing: wood
Shealthing: OSB
Construction Notes:


Ceiling: (R | Type)
Wall: (R | Type)
Ceiling: (R | Type)


Siding: Fiber Cement / Cedar T&G / Metal Siding / Stucco Cement
Windows: Gerkin low-e
Entry Doors:
Sliding / Terrace Doors:
Walls: Gypsum drywall
Floors: Bamboo
Interior Finish Notes:

MA Modular Grand-Ma 550 Package Includes


Range: GE Stainless
Microwave: GE Stainless
Kitchen Hood: GE Stainless
Refrigerator: GE Stainless
Dishwasher: GE Stainless
Washer / Dryer: included


Countertops: Silestone, Durcon Elements, Richlite
Kitchen Cabinets: European style maple
Kitchen Sink: Stainless undermount
Kitchen Faucet: C-Tech-I Imperial


Bath Sink: Kohler Ladena
Bath Faucet: Danze Parma
Toilet: Toto Eco Drake
Bath Tub: Kohler Bellwether


Water Heater: included
HVAC Heating: included
HVAC Cooling: included
Ventilation System:
Solar Panels:
Alt Energy System:
Green Home Features:

Green Home Features

Green Home Features:
Alt Energy System:
Solar Panels: