Top Prefab Home Builders in Washington

A curated list of the highest-rated prefab, modular, and ADU home builders serving Washington — based on verified reviews and our editorial vetting.

• Western Showcase Homes Inc
• Cascade Country Cabins
• PNW USED MOBILE HOMES LLC
• Acc-U-Set
• ECM Homes
• Mountain View Homes
• Tacoma DADU
• Method Homes
• The Home Boys of Tri Cities
• Armstrong Custom Homes
• Skagit Design Homes
• Stillwater Dwellings, Inc
• Scott Homes Inc
• Carriage Houses Northwest
• TC Legend Homes
• Larson Tiny Homes
• West Coast Homes
• Newrock Homes
• Pacific Homes Direct Woodland WA
• Peterson Home Center
• North Country Home Center, LLC
• True Built Home
• Homes Direct
• Adair Homes - Spokane, Washington
• Heritage Home Center