ADU House Plans - Architectural Designs

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...

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765010TWN

Plan Number

starting at

$975

650

Sq. Ft.

Bed

Bath

Story

Cars

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62766DJ

Plan Number

starting at

$799

774

Sq. Ft.

Bed

Bath

Story

Cars

Tour

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765018TWN

Plan Number

starting at

$975

650

Sq. Ft.

Bed

Bath

Story

Cars

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14631RK

Plan Number

starting at

$770

938

Sq. Ft.

Bed

Bath

Story

Cars

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24391TW

Plan Number

starting at

$850

793

Sq. Ft.

1 - 2

Bed

Bath

Story

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36057DK

Plan Number

starting at

$1,495

1,212

Sq. Ft.

Bed

1.5

Bath

Story

Cars

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62837DJ

Plan Number

starting at

$1,399

1,604

Sq. Ft.

Bed

1.5

Bath

Story

Cars

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765021TWN

Plan Number

starting at

$975

650

Sq. Ft.

Bed

Bath

Story

Cars

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23765JD

Plan Number

starting at

$1,400

995

Sq. Ft.

Bed

Bath

Story

Cars

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360063DK

Plan Number

starting at

$1,495

1,221

Sq. Ft.

Bed

2.5

Bath

Story

Cars

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52283WM

Plan Number

starting at

$680

395

Sq. Ft.

Bed

Bath

Story

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360065DK

Plan Number

starting at

$1,495

1,180

Sq. Ft.

Bed

1.5

Bath

Story

Cars

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62695DJ

Plan Number

starting at

$899

758

Sq. Ft.

Bed

Bath

Story

Cars

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370011SEN

Plan Number

starting at

$995

971

Sq. Ft.

Bed

Bath

Story

Cars

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22403DR

Plan Number

starting at

$1,160

686

Sq. Ft.

Bed

Bath

Story

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22497DR

Plan Number

starting at

$450

360

Sq. Ft.

Bed

Bath

Story

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62697DJ

Plan Number

starting at

$699

576

Sq. Ft.

Bed

Bath

Story

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68605VR

Plan Number

starting at

$950

831

Sq. Ft.

Bed

Bath

Story

Cars

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360067DK

Plan Number

starting at

$1,495

1,266

Sq. Ft.

Bed

1.5

Bath

Story

Cars

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62571DJ

Plan Number

starting at

$499

364

Sq. Ft.

Bed

Bath

Story

Plan image - 871003NST:2-Bed Compact Barndominium House Plan - 1000 Sq Ft

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871003NST

Plan Number

starting at

$1,195

1,000

Sq. Ft.

Bed

1.5

Bath

Story

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430804SNG

Plan Number

starting at

$800

750

Sq. Ft.

Bed

1 - 2

Bath

Story

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

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430806SNG

Plan Number

starting at

$800

750

Sq. Ft.

Bed

Bath

Story

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

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28934JJ

Plan Number

starting at

$695

582

Sq. Ft.

Bed

Bath

Story

ADU House Plans FAQs

What is an Accessory Dwelling Unit (ADU)?

An Accessory Dwelling Unit (ADU) is a secondary residential unit located on the same property as a primary residence. ADUs go by various names, such as granny flats, in-law suites, secondary suites, or backyard cottages. These units are fully equipped with their own kitchen, bathroom, and sleeping facilities, providing a separate living space from the main dwelling. ADUs can take different forms, including converted garages, basement apartments, separate structures in the backyard, or additions to the main house. They offer a way to create additional housing options within existing neighborhoods, helping to address housing shortages and provide more affordable housing solutions.

Are there special regulations or zoning requirements for ADUs?

The regulations and zoning requirements for ADUs vary by location, and not all areas permit or regulate them in the same way. Many places have zoning laws governing ADU construction, including size restrictions, setback requirements, and occupancy regulations.

How are ADUs typically used?

Some common reasons for building ADUs include providing housing for family members, generating rental income, or addressing changing housing needs. ADUs are seen as a flexible and sustainable housing option, utilizing existing infrastructure and land while contributing to increased housing density.

How did the concept of Accessory Dwelling Units originate?

The idea of ADUs emerged as a response to housing shortages and the need for flexible living arrangements. It gained prominence in the mid-20th century as a way to maximize land use.

What are the key characteristics of ADU architectural plans?

ADU plans emphasize efficient use of space, often incorporating features like open floor plans, compact kitchens, and multifunctional living areas.

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