Duplex plans | House plans | Apartment plans

Duplex house plans and affordable single-family home designs. Our goal is to provide popular layouts that offer efficient construction costs to help you get the most out of your building budget. Whether you're planning to build a new house or you're looking for designs to build a duplex or apartment on your investment property, we have the plans.......all with free standard shipping!

More home plans and duplexes are in the works. Some of our newest designs can be found below.
Or, order one of our best-selling duplex or apartment plans.

Featured designs -- Duplexes, Apartments and Multi-family house plans.
2 bedroom duplex Plan no. J0124-13d View this plan	2 bedroom duplex Plan no. J0201-13d View this plan
New townhouse 4-plex Garage per unit Plan no. J0121-12-4 View this plan	New 4-plex 1 bedroom / 1 bath per unit Plan no. J1103-11-4 View this plan
New Triplex Plan no. J1103-11T View this plan	New Apartment plan 6 units Plan no. J1138-6 View this plan
New Duplex apartment Flexible rental options / Corner lot Plan no. J1010-12d View this plan	New Duplex house plan Carport per unit Plan no. J748-CP View this plan
New Triplex apartment 2 Bedroom / 2 Bath Plan no. J0201-13T View this plan	Cottage house plan 2 Bedroom / 2 Bath Cottage Plan no. J0222-13 View this plan
4-plex Economical construction Plan no. J748-4 View this plan	New duplex Townhouse layout Plan no. J1003-12d View this plan
New 4-plex plan Plan no. J1031-4-11 View this plan	New 4-plex plan Plan no. J891-4-12 View this plan

View our best-selling duplex

Do you need plans for a duplex or small apartment? Apartments and duplexes are growing in popularity as investment properties to provide future income. We offer many designs with efficient construction to help you get the most from your investment property. Use the following links to browse these popular building plans.

Small apartment plans
Duplex house plans