ADU construction ROI calculator

Project the ROI on building an Accessory Dwelling Unit — total construction cost, financing impact, rental income, and payback period.

ADU square footage

Construction cost / sqft

$250-500 typical 2024. Higher in CA/NY.Monthly rent

Monthly opex (utilities/maint)

Construction loan rate %

Loan amortization (yrs)

Permits + impact fees

Payback period (yrs)

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