Duplex House Plans- 2 Family Homes- Dual Key

New Duplex Collection Now Available!
Explore our updated range of modern duplex house plans, dual living homes, narrow lot designs, and investment-focused layouts. Browse the collection below or contact us if you'd like modifications to any design.

Everything you need to obtain accurate building quotes before purchasing full construction plans.

Perfect for: Homeowners • Owner Builders • Builders • Investors

Includes: Floor Plans • Elevations • 3D Images • Window & Door Schedule • Budget Planner • Quote Checklist • Printable PDF • Copyright Permission for Quotes • Upgrade Credit*

Get quotes from: Builders • Suppliers • Trades • Manufacturers.