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ADU

ADU House Plans

Our incredible selection of Accessory Dwelling Unit (ADU) house plans is designed to enhance your property with a functional and appealing additional living space. Also known as guest houses or detached in-law suites, ADU house plans offer homeowners a fantastic opportunity to expand their living area in a unique and stylish way.

Accessory Dwelling Unit plans and designs can offer extra living space without the need for construction on your main home. ADU floor plans are usually designed to maximize space in smaller homes. For instance, the kitc...
Plan image - 135155GRA:1-Bed Carriage House Plan with Wraparound Porch

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135155GRA

Plan Number

starting at

$950

$807.50

1,228

Sq. Ft.

1

Bed

1.5

Bath

2

Story

Plan image - 430819SNG:900 Square Foot Farmhouse with Optional 2-car Garage

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Exclusive

430819SNG

Plan Number

starting at

$800

900

Sq. Ft.

2

Bed

2

Bath

2

Story

2

Cars

Plan image - 530013UKD:Tiny Beach House Plan with Exterior Options

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530013UKD

Plan Number

starting at

$600

701

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 55216BR:1-Bed House Plan With Wise Space Use

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55216BR

Plan Number

starting at

$900

1,062

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 55223BR:Tiny 511 Square Foot House Plan with Front and Rear Porches

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55223BR

Plan Number

starting at

$770

544

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 680028VR:Contemporary 1-Bed ADU Plan with Covered Balcony

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680028VR

Plan Number

starting at

$1,050

$892.50

1,040

Sq. Ft.

1

Bed

1.5

Bath

1

Story

Plan image - 35205GH:781 Square Foot Barn-like ADU with Gambrel Roof

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35205GH

Plan Number

starting at

$995

$845.75

781

Sq. Ft.

1

Bed

1.5

Bath

2

Story

2

Cars

Plan image - 2227SL:Side-Entry Carriage House

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2227SL

Plan Number

starting at

$560

$476

568

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 2241SL:2-Car Garage Apartment

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2241SL

Plan Number

starting at

$560

$476

701

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 92050VS:Efficient Garage Plan

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92050VS

Plan Number

starting at

$850

$722.50

551

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 18784CK:Rustic Shelter With Full Wrap-Around

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18784CK

Plan Number

starting at

$1,196

725

Sq. Ft.

Bed

1

Bath

1

Story

Plan image - 21277DR:2-Bed ADU House Plan with Open Concept Living - 864 Sq Ft

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21277DR

Plan Number

starting at

$1,215

$1,032.75

864

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 85104MS:Flexible Tiny Modern House Plan

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85104MS

Plan Number

starting at

$800

744

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 52336WM:3 Bed ADU Cottage House Plan with Rental Property Potential - 785 Sq Ft

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52336WM

Plan Number

starting at

$925

$786.25

785

Sq. Ft.

3

Bed

1

Bath

1

Story

Plan image - 677046NWL:Contemporary 2-Story ADU with 2 Beds and a 2-Car Garage - 795 Sq Ft

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677046NWL

Plan Number

starting at

$799

$679.15

795

Sq. Ft.

2

Bed

1

Bath

2

Story

2

Cars

Plan image - 680240VR:Modern 2-Car Detached Garage with Open Living Den Above - 648 Sq Ft

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680240VR

Plan Number

starting at

$1,000

$850

0

Sq. Ft.

Bed

0

Bath

2

Story

2

Cars

Plan image - 680241VR:2-Bed House Plan with Game Room First Floor - 1536 Sq Ft

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680241VR

Plan Number

starting at

$1,150

$977.50

1,536

Sq. Ft.

2

Bed

1.5

Bath

2

Story

Plan image - 680257VR:750 Square Foot Contemporary Home Plan with Great Views

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680257VR

Plan Number

starting at

$950

$807.50

750

Sq. Ft.

0

Bed

1

Bath

1

Story

Plan image - 67820MG:624 Square Foot ADU with Well-Appointed Kitchen - Architectural Designs

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67820MG

Plan Number

starting at

$1,145

$973.25

624

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 29904RL:Craftsman Carriage House Plan with 2-Car 710 Square Foot Garage

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29904RL

Plan Number

starting at

$500

$425

665

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 135214GRA:2-Car Garage with 527 Square Foot Apartment Above

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135214GRA

Plan Number

starting at

$950

$807.50

547

Sq. Ft.

0

Bed

1

Bath

2

Story

2

Cars

Tour

Plan image - 623173DJ:1100 Square Foot Carriage House Plan with a Mediterranean Vibe

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623173DJ

Plan Number

starting at

$1,299

$1,104.15

1,116

Sq. Ft.

1

Bed

1

Bath

2

Story

3

Cars

Plan image - 72374DA:536 Square Foot ADU with Rustic Country Appeal

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72374DA

Plan Number

starting at

$1,375

$1,168.75

536

Sq. Ft.

Bed

1

Bath

1

Story

Plan image - 490105NAH:Modern 1-Bed ADU Under 450 Square Feet

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490105NAH

Plan Number

starting at

$1,200

$1,020

433

Sq. Ft.

1

Bed

1

Bath

2

Story

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Total Heated Area (Sq. Ft.)

Bedrooms

Bathrooms

Plan Type

494

214

3

25

Footprint

Width (feet)

Depth (feet)

Height (feet)

Floors

Styles

29

47

159

344

94

5

47

351

133

9

More Styles

Number of Vehicles

45

197

91

19

7

Garage Type

87

193

15

27

26

373

Garage Location

303

38

26

bed and bath icon

Bedroom and Bath Options

124

12

395

278

6

2

28

11

kitchen and dining icon

Kitchen and Dining

49

43

7

Laundry Location icon

Laundry Location

65

155

2

400

Additional Rooms icon

Additional Rooms

11

7

23

12

52

8

68

56

2

1

87

13

Outdoor Features icon

Outdoor Features

28

3

2

1

Foundation

186

344

39

97

6

3

2

638

34

100

Special Features

1

16

5

19

1

63

More Special Features

Exterior Walls

5

320

654

1

3

Collections

157

23

27

38

29

61

8

736

More Collections

Lot Features

688

5

4

3

16