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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 - 22403DR:Contemporary Vacation Retreat - 686 Sq Ft

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22403DR

Plan Number

starting at

$1,125

$956.25

686

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 135261GRA:1110 Sq Ft 2-Car Garage with 507 Sq Ft Studio Apartment Above

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135261GRA

Plan Number

starting at

$950

$807.50

507

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Tour

Plan image - 623402DJ:1-Bed ADU House Plan with Cathedral Ceilings - 593 Sq Ft

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623402DJ

Plan Number

starting at

$600

$510

593

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 871006NST:Rustic Wheelchair Accessible Shingle Cottage - 681 Sq Ft

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871006NST

Plan Number

starting at

$1,195

681

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 51866HZ:One Bed and Bath Farmhouse-style Cabin - 732 Sq Ft

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51866HZ

Plan Number

starting at

$1,245

$1,058.25

732

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 85345MS:Modern Garage Studio with an RV Bay

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85345MS

Plan Number

starting at

$1,606

609

Sq. Ft.

Bed

1.5

Bath

2

Story

3

Cars

Plan image - 67776NWL:Three Bedroom Classic Ranch Home Plan - 900 Sq Ft

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67776NWL

Plan Number

starting at

$849

$721.65

900

Sq. Ft.

3

Bed

2

Bath

1

Story

Plan image - 360074DK:Craftsman Carriage House Plan with 3-Car Garage

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360074DK

Plan Number

starting at

$1,200

$1,020

1,353

Sq. Ft.

2

Bed

2.5

Bath

2

Story

3

Cars

Plan image - 420125WNT:Country Cabin with 2 Beds and 6-Foot-Deep Front Porch - 786 Sq Ft

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420125WNT

Plan Number

starting at

$995

786

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 623069DJ:1-Bed Casita or ADU under 800 Square Feet

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623069DJ

Plan Number

starting at

$800

$680

756

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 420168WNT:1-Bedroom Modern Cottage ADU House Plan w/ Vaulted Living - 594 Sq Ft

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420168WNT

Plan Number

starting at

$995

594

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 62697DJ:Cozy Vacation Retreat - 576 Sq Ft

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62697DJ

Plan Number

starting at

$600

$510

576

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 765052TWN:576 Square Foot ADU with External Stairs and 2-Car Garage

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765052TWN

Plan Number

starting at

$800

576

Sq. Ft.

0

Bed

1

Bath

2

Story

2

Cars

Plan image - 22497DR:Tiny House Living

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22497DR

Plan Number

starting at

$435

$369.75

360

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 52334WM:2-Bed ADU House Plan with Vaulted Living Room - 594 Sq Ft

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52334WM

Plan Number

starting at

$925

$786.25

594

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 360067DK:2-Bed Garage Apartment Plan with Large Rear Porch - Architectural Designs

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360067DK

Plan Number

starting at

$1,200

$1,020

1,266

Sq. Ft.

2

Bed

1.5

Bath

2

Story

3

Cars

Tour

Plan image - 623395DJ:1-Bed Adobe ADU House Plan with Pergola - 690 Sq Ft

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623395DJ

Plan Number

starting at

$800

$680

690

Sq. Ft.

1

Bed

1

Bath

1

Story

Plan image - 765051TWN:One-Bed Garage Apartment with ADU Potential - 672 Sq Ft

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765051TWN

Plan Number

starting at

$800

672

Sq. Ft.

1

Bed

1

Bath

2

Story

2

Cars

Plan image - 430810SNG:Exclusive 2-Story, 3-Bed House Plan with Laundry On Both Floors

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430810SNG

Plan Number

starting at

$800

750

Sq. Ft.

3

Bed

2.5

Bath

2

Story

Plan image - 680370VR:4 Bedroom Barndominium House Plan with Wraparound Porch and Carport - 2393 Sq Ft

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680370VR

Plan Number

starting at

$1,425

$1,211.25

2,393

Sq. Ft.

2

Bed

1

Bath

2

Story

2

Cars

Plan image - 420123WNT:800 Square Foot Modern Cottage House Plan - Architectural Designs

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420123WNT

Plan Number

starting at

$995

800

Sq. Ft.

2

Bed

1

Bath

1

Story

Plan image - 300022FNK:750 Square Foot 2-Bed Apartment Above 2-Car Garage

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300022FNK

Plan Number

starting at

$795

$675.75

750

Sq. Ft.

0

Bed

1.5

Bath

2

Story

2

Cars

Plan image - 420164WNT:2-Bed ADU Farmhouse Plan with 2-Car Garage - 910 Sq Ft

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420164WNT

Plan Number

starting at

$995

910

Sq. Ft.

2

Bed

2

Bath

1

Story

2

Cars

Plan image - 67779NWL:Small Modern Farmhouse with Two-Story Great Room - 893 Sq Ft

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67779NWL

Plan Number

starting at

$849

$721.65

893

Sq. Ft.

2

Bed

2

Bath

2

Story

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Total Heated Area (Sq. Ft.)

Bedrooms

Bathrooms

Plan Type

474

209

3

25

Footprint

Width (feet)

Depth (feet)

Height (feet)

Floors

Styles

28

46

155

337

92

5

47

346

127

8

More Styles

Number of Vehicles

45

191

89

17

7

Garage Type

83

188

14

27

25

357

Garage Location

294

38

26

bed and bath icon

Bedroom and Bath Options

115

12

381

270

6

2

27

11

kitchen and dining icon

Kitchen and Dining

48

41

7

Laundry Location icon

Laundry Location

60

150

2

385

Additional Rooms icon

Additional Rooms

11

7

19

12

49

8

66

56

2

83

13

Outdoor Features icon

Outdoor Features

27

3

2

1

Foundation

174

330

32

85

6

3

2

620

22

92

Special Features

13

5

19

59

More Special Features

Exterior Walls

5

304

629

1

3

Collections

711

More Collections

Lot Features

5

4

3

16