Duplex plans and apartment plans designed to maximize your investment project.

One of the most extensive collections of affordable duplex house plans on the internet.
1 bedroom units, 4 bedroom units, split floor plans and everything in between.

Please feel free to browse our library and find the design that is right for your project. Should you need assistance with any plan or if you need modifications, please feel free to contact us.

Choose a link below to browse duplex plans by number of bedrooms per unit.
1 Bedroom Duplexes	2 Bedroom Duplexes	3 Bedroom Duplexes	1, 2 and 3 Bedroom Duplex combos	4 Bedroom Duplexes

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Our newest duplexes & apartment plans
Exterior view	Plan number	Description of units
Townhouse 4-plex; garage per unit	New 4-plex plan J0121-12-4 View floor plan	2 bedroom / 1.5 bath
Duplex	New duplex plan J1103-11d View floor plan	1 bedroom / 1 bath
Triplex	S820-3 View floor plan	2 bedroom / 1 bath
Flexible duplex	J1014-11d View floor plan	Left: 3 Bedroom / 2 Bath Right: 2 Bedroom / 2 Bath
Narrow lot plan	J0929-11d View floor plan	1 Bedroom / 1 Bath
Open layout	J0802d View floor plan	2 Bedroom / 2 Bath
Compact 3 Bedroom	J0826-11d View floor plan	3 Bedroom / 2 Bath
Walk-in closets	J0617-11d View floor plan	3 Bedroom / 2 Bath
Flexible triplex	J0615-11t View floor plan	Main Floor: Left: 3 Bedroom / 2 Bath Right: 2 Bedroom / 1 Bath 2nd Floor: 3 Bedroom / 2 Bath
Spacious living	J0606-11d View floor plan	3 Bedroom / 2 Bath
4-plex; covered stairs	New 4-plex plan J1031-4-11 View floor plan	3 bedroom / 2 bath
Flexible Triplex	J0505-11t View floor plan	Two 3 bedroom / 2 bath One 2 bedroom / 1 bath
Efficient duplex	J0418-11d View floor plan	2 Bedroom / 1.5 Bath
Garage per unit	J0406-11d View floor plan	3 Bedroom / 2 Bath
Narrow lot plan	J0203-11d View floor plan	1 Bedroom / 1 Bath
Single garage per unit	J0201-11d View floor plan	2 Bedroom / 2 Bath
Townhouse-style duplex	J0120-11d View floor plan	2 Bedroom / 2.5 Bath
Garage per unit	J1209-10d View floor plan	2 Bedroom / 2 Bath
Townhouse-style duplex	J1124-10d View floor plan	2 Bedroom / 1.5 Bath
4-plex	4-plex plan J748-4 View floor plan	2 Bedroom / 1 Bath
Duplex	J778d View floor plan	2 Bedroom / 1 Bath
Triplex	triplex plan J949T View floor plan	2 Bedroom / 1 Bath
Triplex	triplex plan J942T View floor plan	2 Bedroom / 2 Bath
1 unit per floor; narrow lots	J891d-2 View floor plan	2 Bedroom / 2 Bath
Economical construction	J0904d View floor plan	2 Bedroom / 1 Bath
Economical construction Designed for general ADA Compliance	triplex plan J748T View floor plan	2 Bedroom / 1 Bath
Economical construction	J-0911d View floor plan	2 Bedroom / 1.5 Bath
Designed for general ADA Compliance	4-plex plan J-891-4-ADA View floor plan	2 Bedroom / 2 Bath
Designed for general ADA Compliance	J-09092d View floor plan	3 Bedroom / 2 Bath
Designed for shallow lots	J-0909d View floor plan	2 Bedroom / 2 Bath
	J-0906d View floor plan	2 Bedroom / 1 Bath
Double carport per unit	J-0907d View floor plan	3 Bedroom / 2 Bath
Interior entrance for all units.	4-plex plan J-0905-4 View floor plan	2 Bedroom / 2 Bath
	4-plex plan J-2878-4-B View floor plan	2 Bedroom / 1 Bath
Narrow lot design offering flexibility.	J-09053db View floor plan	3 Bedroom / 2 Bath
Narrow lot design offering flexibility.	J-09053d View floor plan	3 Bedroom / 2 Bath
Side entrance, both units. Narrow lot design.	J-09052d View floor plan	2 Bedroom / 2 Bath
	J-748d View floor plan	2 Bedroom / 1 Bath
Interior main entrance for both units.	J-0905d View floor plan	2 Bedroom / 2 Bath
	J-1964d View floor plan	2 Bedroom / 2 Bath
	J-1202d View floor plan	2 Bedroom / 2 Bath
	triplex plan J891-T View floor plan	2 Bedroom / 2 Bath
	4-plex plan J-1764-4 View floor plan	1 Bedroom / 1 Bath
Designed for narrow lots	J-1690d-b View floor plan	2 Bedroom / 1 Bath
	J-810d View floor plan	1 Bedroom / 1 Bath
1 Bedroom / 1 Garage per unit	J-696d View floor plan	1 Bedroom / 1 Bath
2 Down, 1 up Triplex Design	triplex plan J-1842-T View floor plan	Main Floor: Left: 3 Bedroom / 2 Bath Right: 2 Bedroom / 1 Bath 2nd Floor: 2 Bedroom / 1 Bath
Designed for Narrow Lots	J-842d View floor plan	2 bedrooms / 1 bath per unit
More duplex plans		More apartment plans

 

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1 Bedroom Duplexes

2 Bedroom Duplexes

3 Bedroom Duplexes

1, 2 and 3 Bedroom Duplex combos

All of our plans are based on common requests from builders, individuals and visitors to this site. Each design offers economical construction without sacrificing style or comfort. If you do not see a floor plan that meets your needs, please send e-mail or request a specific layout. Or, if you find a layout that you would like to modify, click here.

*We have several new designs on the way! Bookmark this site to view our newest designs as they become available!

One of the most extensive collection of affordable duplexes on the internet. There will be many floor plans added that will consist of combination units; i.e.-one bedroom on one side, two bedrooms on the other. Also there are several new 2 and 3 bedroom combos in the works. Please feel free to contact our office if you have any questions about these upcoming designs. In some cases, if your request closely matches something we have in the works, we will forward information to you. This gives you the opportunity to purchase a plan before it is released on our site, giving you a "jump" on the latest floor plans.

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Copyright notice
*All designs are the sole property of PlanSource, Inc. Use of any design without permission of PlanSource, Inc is a violation of federal copyright laws. Plans are licensed for construction of one structure only. If more than one is to be built, please contact our office for information on additional license fees. We thank you for your cooperation.

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