Florida ADU Cost Calculator

Get cost estimates, potential rental income, and payback period for your Florida ADU project.

Florida ADU Cost Calculator

Educational estimates — actual costs vary by property.

ADU Type

Size: 600 sq ft

200 sq ft1,200 sq ft

County

Estimated Cost Range

$124K – $193K

207–322 $/sq ft

Est. Monthly Rent

$2,280

Est. Payback

7.3 yrs

Disclaimer: These are educational estimates based on 2026 Florida market averages. Actual costs and rents vary significantly by specific location, property conditions, contractor, finishes, and market conditions. We do not guarantee any figure.

What does an ADU cost?

Full cost breakdown by ADU type

How to finance an ADU?

HELOC, construction loans, and more

What rent can I charge?

Real rental rates across South Florida

Ready for a Real Evaluation?

The calculator gives general estimates. A property review gives you specific numbers for your lot.

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