The Best Duplex Plan Collection (2026) by Advanced House Plans

Discover thoughtfully designed duplex floor plans that maximize space and privacy while offering the perfect balance of shared and independent living. These innovative two-unit homes feature separate entrances and complete living spaces under one roof, making them ideal for multi-generational families, rental income opportunities, or co-living arrangements. Modern duplex designs seamlessly ...

Modern Duplex House Plans Modern duplexes offer a stylish and practical solution for multi-family living or investment properties. These homes feature sleek designs, open floor plans , and high-end finishes that create a sophisticated living environment. With separate units within one structure, modern duplexes provide privacy and independence while maximizing space and efficiency. Ideal for ...
Duplex House Plans, Floor Plans & Designs

The best duplex plans , blueprints & designs. Find small, modern w/garage, 1-2 story, low cost, 3 bedroom & more house plans ! Call 1-800-913-2350 for expert help
Modern duplex plans in Archival Design's collection. Use our free cost-to-build estimate for your modern duplex home plan .

Duplex House Plans
Duplex House Plans Offering a unique blend of affordability, functionality, and modern living, duplex house plans are quickly becoming a popular choice for homeowners and investors alike. Whether you envision spacious side-by-side units or practical stacked layouts, we have the perfect duplex floor plan to match your vision and budget.
The leading website for modern duplex house plans . Filter by size/layout (e.g. 1 story), amenity (e.g. garage), foundation (e.g. basement) & more.

Modern Duplex House Plans
Explore all of our favorite modern duplex house plans . Enjoy all the perks including natural light, open layouts, and thoughtful amenities.
The best Duplex House Plans . Browse modern , country, open floor plan , 2 bath, narrow lot, Craftsman and more duplex home designs. Expert support available.

Duplex House Plans & Floor Plans
Get the most out of your space with our duplex house plans ! Our duplex designs combine all the features and appointments that maximize the value of your duplex floor plan for less.








Our Duplex House Plans provide smart, efficient designs perfect for families, rentals, or investment properties. Featuring side-by-side or stacked layouts, duplexes maximize space while offering privacy for each unit.