All ADUs are Foundation-Built · Fully Permitted · Florida Building Code Compliant
ADU Calculator
ADU Investment Calculator
Conservative, location-aware underwriting for Central Florida ADU projects.
Section 1 — Your Property and Build
In Orange County (unincorporated), minimum ADU size is 400 sq ft. Maximum is 1,000 sq ft or 45% of your primary home's living area, whichever is less.
Includes design, permitting, construction, and inspection. Does not include land cost. Final cost confirmed after free site evaluation.
Section 2 — Financing
= $30,000
Loan amount: $120,000
Est. monthly loan payment: $967
Section 3 — Monthly expenses and assumptions
These are conservative estimates. Actual expenses vary. Review with a CPA before making financial decisions.
Start by selecting your location and ADU type to view investment results.
Want numbers specific to your property?
The calculator gives you a market-rate estimate. A free site evaluation gives you actual zoning, buildable area, and a real cost range for your specific lot.