Custom ADU Builders - Accessory Dwelling Units MA NH

What is an ADU?

ADU is short for “accessory dwelling unit”, which is a secondary structure on the same lot as a primary residence used as a secondary home, apartment or office. ADU’s are becoming a very popular option for property owners seeking additional space for their single family home. ADUs are an affordable housing option and can be customized to include just about anything a custom home can offer.

A typical ADU will include living spaces as well as a bathroom and kitchen area. Many ADU’s are being built into our custom garage designs with garage space on the first floor and custom living space on the second floor.

Prefab ADUs are an affordable option for those seeking a custom space that does not entail months of construction. Our ADUs are built offsite and usually completed on your property in a matter of days!

Need a custom dwelling unit? We design custom accessory dwelling units for clients across New England. Our architects can work with you to customize an ADU design build to give you exactly what you need and more!

Accessory Dwelling Units (ADUs)

Need extra space for a home office or family member? Consider building an adu. An accessory dwelling unit (adu) will give you that extra space you need.

Why spend more with a home builder? Hire the top ADU garage builder in New England. Our designs will save you time and money while giving you a beautiful new structure you’ll love!

single family dwelling units | granny flats | in-law suites | additional living areas | backyard cottages

Standard Model Features

Wood Siding (Duratemp or LP SmartSide)

  • No floor (built on your concrete pad)
  • 2×4 walls 8′ high
  • Wall studs 16″ on center
  • 5/8″ OSB on the roof
  • Duratemp siding on the outside
  • Vented soffit
  • 12″ overhang on all the sides
  • Trusses 24″ on center
  • 5 pitch roof
  • 15 lb felt paper
  • GAF timberline shingles
  • Rapid ridge vent
  • Two 9×7 raise panel overhead doors
  • 3′ pre-hung fiberglass door with 9 lite glass
  • Four 24×36 windows with shutters
  • Miratec corners
  • Miratec face
  • Architectural drawings

Vinyl Siding

  • No floor (built on your concrete pad)
  • 2×4 walls 8′ high
  • Wall studs 16″ on center
  • 7/16″ OSB on the walls
  • 5/8″ OSB on the roof
  • Vinyl siding on the outside
  • House wrap
  • Vented soffit
  • 12″ overhang on all the sides
  • Trusses 24″ on center
  • 5 pitch roof
  • 15 lb felt paper
  • GAF timberline shingles
  • Rapid ridge vent
  • Two 9×7 raise panel garage door (no glass)
  • 3′ pre-hung fiberglass door with 9 lite glass
  • Four 24×36 windows with shutters
  • Architectural drawings
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