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Multi-Family Homes

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.

What are Duplex House Plans?
A duplex is a multi-family house plan divided into two separate living spaces. Each unit features its own private entrance, living area, backyard (in many cases), and even a garage, depending on the desig...
Plan image - 22484DR:Modern Ranch Duplex with Matching 2-Bed Units - 1127 Sq Ft Each - 2 Beds and 2 Baths

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22484DR

Plan Number

starting at

$2,025

2,252

Sq. Ft.

4

Bed

4

Bath

1

Story

Plan image - 42439DB:2-Story Duplex House Plan with Side-By-Side 1400 Square Foot 3 Bed Units

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42439DB

Plan Number

starting at

$2,080

2,836

Sq. Ft.

6

Bed

4.5+

Bath

2

Story

4

Cars

Plan image - 38019LB:Duplex with 3 Beds in Each Unit

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38019LB

Plan Number

starting at

$1,435

2,292

Sq. Ft.

6

Bed

4.5+

Bath

2

Story

2

Cars

Plan image - 68571VR:Modern Duplex House Plan with an RV Garage

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68571VR

Plan Number

starting at

$1,550

2,800

Sq. Ft.

6

Bed

4

Bath

2

Story

3

Cars

Plan image - 81818AB:New American Duplex House Plan with 1700 Square Foot Units

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81818AB

Plan Number

starting at

$1,900

3,437

Sq. Ft.

6 - 8

Bed

4.5 - 6.5

Bath

2

Story

Plan image - 59370ND:Contemporary Duplex House Plan with Matching 2-Bed Units Under 1000 Square Feet Each

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59370ND

Plan Number

starting at

$1,100

1,844

Sq. Ft.

4

Bed

2

Bath

1

Story

Plan image - 69791AM:Modern Farmhouse Duplex with Matching Units Under 1300 Square Feet

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69791AM

Plan Number

starting at

$2,045

2,544

Sq. Ft.

4 - 6

Bed

4.5+

Bath

2

Story

Tour

Plan image - 623194DJ:Modern Farmhouse Style Duplex with Matching 1600 Square Foot 3 Bed Units

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623194DJ

Plan Number

starting at

$1,998

3,182

Sq. Ft.

6

Bed

4.5+

Bath

2

Story

4

Cars

Plan image - 444378GDN:Two-Story Duplex with New American Styling and Matching 1875 Square Foot 3-Bed Units

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444378GDN

Plan Number

starting at

$2,425

3,750

Sq. Ft.

6

Bed

6.5+

Bath

2

Story

4

Cars

Plan image - 85375MS:Modern 3-Story Townhouse Duplex with Asymmetrical 2-Bed Units

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Exclusive

85375MS

Plan Number

starting at

$2,100

1,550

Sq. Ft.

4

Bed

4.5+

Bath

3

Story

2

Cars

Plan image - 62562DJ:Easy-to-Build Duplex House Plan

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62562DJ

Plan Number

starting at

$1,998

2,856

Sq. Ft.

6

Bed

4

Bath

1

Story

4

Cars

Plan image - 59365ND:Lovely 3-Bed Duplex House Plan with Matching Units Under 1200 Square Feet

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59365ND

Plan Number

starting at

$1,200

2,338

Sq. Ft.

6

Bed

2 - 4

Bath

1

Story

Plan image - 135117GRA:Multi-family House Plan with 3 Bedrooms in Each Unit

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135117GRA

Plan Number

starting at

$1,350

3,230

Sq. Ft.

4 - 6

Bed

4

Bath

2

Story

4

Cars

Plan image - 64488SC:Multi-Family Craftsman Plan with 2 Dissimilar Units 2 Bedroom Units - 1845 Sq Ft and 1747 Sq Ft

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64488SC

Plan Number

starting at

$1,750

3,582

Sq. Ft.

4

Bed

4.5+

Bath

1

Story

4

Cars

Plan image - 42586DB:Duplex House Plan for the Narrow Lot

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42586DB

Plan Number

starting at

$2,080

2,554

Sq. Ft.

6

Bed

4.5+

Bath

2

Story

2

Cars

Plan image - 72901DA:Charming Cottage Duplex with Two Unique Units

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72901DA

Plan Number

starting at

$3,800

2,770

Sq. Ft.

5

Bed

3.5

Bath

2

Story

3

Cars

Plan image - 666064RAF:Contemporary 2-Family House Plan with a Drive-Under Garage

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666064RAF

Plan Number

starting at

$1,939

3,878

Sq. Ft.

6

Bed

4.5+

Bath

2

Story

3

Cars

Plan image - 22544DR:Contemporary Duplex House Plan with Matching Units

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22544DR

Plan Number

starting at

$1,895

1,904

Sq. Ft.

2 - 4

Bed

2 - 4

Bath

1

Story

Plan image - 65751BS:Coastal Contemporary Duplex with a 2-Bed and 3-Bed Asymmetric Units

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65751BS

Plan Number

starting at

$3,466

3,466

Sq. Ft.

6

Bed

4

Bath

1

Story

4

Cars

Plan image - 62734DJ:Charming Cottage-Style Duplex with Matching 2-Bed Units

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62734DJ

Plan Number

starting at

$1,798

1,760

Sq. Ft.

4

Bed

2

Bath

1

Story

2

Cars

Plan image - 86076BS:Modern Multi-Family House Plan with 2 Units - 3 Beds, 2 Baths, 1210 Sq Ft Each

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86076BS

Plan Number

starting at

$2,420

2,420

Sq. Ft.

6

Bed

4

Bath

1

Story

2

Cars

Plan image - 38017LB:Duplex House Plan for a Narrow Lot

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38017LB

Plan Number

starting at

$1,575

2,212

Sq. Ft.

6

Bed

2.5+ - 4.5+

Bath

2

Story

2

Cars

Tour

Plan image - 623015DJ:Multi-family Home Plan with Two 1-Bedroom Units

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623015DJ

Plan Number

starting at

$1,798

1,634

Sq. Ft.

2

Bed

2

Bath

1

Story

4

Cars

Plan image - 5103MM:Spacious Three Bedroom Duplex

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5103MM

Plan Number

starting at

$1,550

2,728

Sq. Ft.

6

Bed

4

Bath

1

Story

Duplex House Plans FAQs

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Total Heated Area (Sq. Ft.)

Bedrooms

Bathrooms

Plan Type

601

Footprint

Width (feet)

Depth (feet)

Height (feet)

Floors

Styles

2

33

89

99

74

5

21

19

99

20

More Styles

Number of Vehicles

14

202

13

200

7

Garage Type

647

11

5

53

3

326

Garage Location

371

34

26

3

bed and bath icon

Bedroom and Bath Options

257

78

331

278

8

10

17

14

27

kitchen and dining icon

Kitchen and Dining

83

87

32

Laundry Location icon

Laundry Location

11

159

18

258

1

Additional Rooms icon

Additional Rooms

29

27

36

17

67

7

1

21

64

2

134

1

1

5

35

7

Outdoor Features icon

Outdoor Features

11

1

5

2

Foundation

310

444

69

15

1

2

457

15

174

Special Features

3

6

2

6

More Special Features

Exterior Walls

6

278

551

1

2

Collections

53

31

6

22

15

50

2

4

More Collections

Lot Features

235

12

7

1

35