
Standalone dwelling units separated from the main residence. Maximum privacy for tenants and owners. The most popular ADU type in California.
A detached ADU is the gold standard for rental income and family privacy. It is completely separate from the main house, which means tenants have their own entrance, their own address, and their own yard. Resale value is maximized because the unit is functionally independent.
$250,000 to $500,000 construction
$12,000 to $22,000
400 to 1,200 sq ft
2 to 4 months design, 6 to 9 months construction
Rental income, adult children returning home, aging parents, guest accommodations
Setbacks as close as 4 feet from rear and side property lines
Separate utility meters often make sense for rental income
Can be sold as separate property in some jurisdictions under SB 9
Best placement depends on site access, solar orientation, and neighbor considerations
Start your ADU building program online. David will call within one business day.