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  5. ADUs

Detached Housing

ADUs

ADUs illustration

Accessory Dwelling Unit (ADU) real estate development has gained significant momentum as an innovative solution to housing shortages and affordability issues. ADUs, also known as granny flats, in-law suites, or backyard cottages, are small, independent residential units located on the same lot as a larger, primary dwelling. The market for ADUs has been growing rapidly, with a substantial increase in permits issued for their construction, particularly in urban and suburban areas.

A key trend in the ADU market is the easing of zoning regulations and building codes by local governments to encourage their development. This shift is driven by the recognition of ADUs as a means to increase housing density and diversity without altering the character of existing neighborhoods. States like California have been at the forefront of this movement, witnessing a surge in ADU development due to legislative changes.

Sustainability and efficiency are central to ADU design, with many units featuring eco-friendly materials, energy-efficient appliances, and compact layouts. ADUs are increasingly being used for a variety of purposes, including housing for elderly family members, rental income sources, and affordable housing options for young adults and small families.

The rise of ADUs reflects a broader trend towards flexible and innovative housing solutions. Their ability to provide affordable, efficient, and community-integrated living spaces makes them an increasingly popular option in the diverse landscape of real estate development. This trend is expected to continue as more regions recognize the potential of ADUs to address their housing challenges.

Developers building in ADUs

62 in the database
Incremental Developers
Incremental Developers
67 Foster Street Peabody, MA
Incremental Developers cover image
Employees0–1
Principals1
Markets1
Last updated: Oct 1, 2026
Palladium Real Estate Development
Palladium Real Estate Development
TX 75240, USA
Palladium Real Estate Development cover image
Employees51–200
Principals2
Markets1
Last updated: Oct 1, 2026
California Forever
California Forever
Sacramento, CA
California Forever cover image
Employees11–50
Principals9
Markets1
Last updated: Sep 30, 2026
Ampersand Property Management
Ampersand Property Management
6800 West Gate Blvd Ste 132-112 Austin, TX
Ampersand Property Management cover image
Employees2–10
Principals2
Markets1
Last updated: Sep 29, 2026
Ashworth Homes
Ashworth Homes
Shoreline, WA
Ashworth Homes cover image
Employees11–50
Principals3
Markets1
Last updated: Sep 29, 2026
Omega RE Group, LLC
Omega RE Group, LLC
Bay Harbor Islands, FL
Omega RE Group, LLC cover image
Employees2–10
Principals2
Markets1
Last updated: Sep 26, 2026
View all 62 developers in ADUs

Top markets for ADUs

  • California· 40
  • Oregon· 5
  • Texas· 5
  • Arizona· 4
  • Florida· 4
  • Massachusetts· 4
  • Washington· 4
  • District of Columbia· 3

Typical unlevered yield on cost

5.5 - 8.0%

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