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719 plans

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 - 430806SNG:Tiny Two Bed Cottage with Cozy Front Porch

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430806SNG

Plan Number

starting at

$800

750

Sq. Ft.

2

Bed

2

Bath

2

Story

Plan image - 680044VR:Rustic Garage Apartment or ADU with 1200 Square Feet of Heated Living

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680044VR

Plan Number

starting at

$1,050

1,202

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 270103AF:2-Bed European-Style Carriage House with Carport - 1139 Sq Ft

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270103AF

Plan Number

starting at

$995

1,139

Sq. Ft.

2

Bed

1

Bath

2

Story

2

Cars

Plan image - 420150WNT:Under 1000 Square Foot ADU Farmhouse Cottage with 2 Beds

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420150WNT

Plan Number

starting at

$995

910

Sq. Ft.

2

Bed

2

Bath

1

Story

Plan image - 68942VR:Modern Carriage House Plan with Balcony - 240 Sq Ft Garage and 320 Sq Ft Apartment

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68942VR

Plan Number

starting at

$950

320

Sq. Ft.

1

Bed

1

Bath

2

Story

1

Cars

Plan image - 28934JJ:1-Bedroom Cabin House Plan with Vaulted Interior

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28934JJ

Plan Number

starting at

$695

582

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 147004RML:2-Car Carriage House Plan with Flex Space Above - 781 Sq Ft

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147004RML

Plan Number

starting at

$895

781

Sq. Ft.

1 - 2

Bed

1

Bath

2

Story

2

Cars

Plan image - 61507UT:Traditional 2-Bed ADU with Open Concept and Garage Below - 1049 Sq Ft

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61507UT

Plan Number

starting at

$950

1,049

Sq. Ft.

2

Bed

1

Bath

2

Story

2

Cars

Plan image - 36058DK:3 Car Carriage House Plan with 3 Dormers

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36058DK

Plan Number

starting at

$1,495

732

Sq. Ft.

1

Bed

1

Bath

2

Story

3

Cars

Plan image - 871007NST:Visitable Cozy Cottage for the Budget-Minded Owner

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871007NST

Plan Number

starting at

$1,195

1,000

Sq. Ft.

2

Bed

1.5

Bath

2

Story

Plan image - 865021SHW:485 Square Foot Tiny House Plan with Loft

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865021SHW

Plan Number

starting at

$400

485

Sq. Ft.

1

Bed

1

Bath

2

Story

Plan image - 680317VR:2 Story ADU Plan with RV Garage and Tandem Garage - 575 Sq Ft

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680317VR

Plan Number

starting at

$950

575

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 14653RK:900 Square Foot Garage with Workshop and 754 Sq Ft Apartment Above

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14653RK

Plan Number

starting at

$770

754

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 430813SNG:Exclusive Pocket Neighborhood Farmhouse Plan with 2-Story Living Room

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430813SNG

Plan Number

starting at

$800

750

Sq. Ft.

2

Bed

2

Bath

2

Story

Plan image - 67799NWL:Alpine-style Garage with Loft Apartment

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67799NWL

Plan Number

starting at

$699

393

Sq. Ft.

Bed

1

Bath

2

Story

1

Cars

Plan image - 69593AM:2 Bed Tiny Cottage House Plan - 782 Sq Ft

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69593AM

Plan Number

starting at

$1,024

782

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 421514CHD:19-Foot-Wide 2-Story House Plan with ADU Above Detached Garage - 1457 Sq Ft

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421514CHD

Plan Number

starting at

$1,195

1,457

Sq. Ft.

3 - 4

Bed

2.5 - 3.5

Bath

2

Story

2

Cars

Plan image - 68574VR:One-Bed Tiny Country House Plan - 676 Sq Ft

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68574VR

Plan Number

starting at

$950

676

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 420025WNT:Modern 2-Bed Scandinavian-Style Cabin - 812 Sq Ft

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420025WNT

Plan Number

starting at

$995

812

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 43023PF:Picturesque Garage Apartment

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43023PF

Plan Number

starting at

$605

798

Sq. Ft.

Bed

1

Bath

2

Story

3

Cars

Plan image - 370043SEN:1-Bed Contemporary ADU with Roll-In Shower and Covered Front Porch - 660 Sq Ft

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370043SEN

Plan Number

starting at

$995

660

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 420041WNT:400 Square Foot 10-Foot-Wide House Plan

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420041WNT

Plan Number

starting at

$895

400

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 430807SNG:Exclusive Tiny Home Plan with Grill Porch

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430807SNG

Plan Number

starting at

$800

750

Sq. Ft.

2

Bed

1.5

Bath

2

Story

Plan image - 765034TWN:Craftsman Carriage House Plan with 1-Bed Apartment

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765034TWN

Plan Number

starting at

$1,095

980

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

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Total Heated Area (Sq. Ft.)

Bedrooms

Bathrooms

Plan Type

481

210

3

25

Footprint

Width (feet)

Depth (feet)

Height (feet)

Floors

Styles

28

46

156

339

92

5

47

347

131

9

More Styles

Number of Vehicles

45

191

90

17

7

Garage Type

83

189

14

27

25

364

Garage Location

295

38

26

bed and bath icon

Bedroom and Bath Options

119

12

386

273

6

2

27

11

kitchen and dining icon

Kitchen and Dining

49

41

7

Laundry Location icon

Laundry Location

61

150

2

390

Additional Rooms icon

Additional Rooms

11

7

19

12

50

8

67

56

2

85

13

Outdoor Features icon

Outdoor Features

27

3

2

1

Foundation

181

334

34

89

6

3

2

627

27

95

Special Features

14

5

19

60

More Special Features

Exterior Walls

5

309

637

1

3

Collections

719

More Collections

Lot Features

5

4

3

16