Property Potential Calculator
Enter a lot size and a few zoning assumptions to see the buildable area, likely unit count, project cost, finished value, and development margin instantly. It is a back-of-envelope tool to decide whether a property is worth a deeper look.
A back-of-envelope read on a real lot — run your own numbers in the live calculator below.
This calculator is an educational estimate using simplified assumptions. It does not account for parking, setbacks that reduce yield, financing structure, taxes, or local code nuances. For a real analysis grounded in your parcel\u2019s zoning and live cost data, run the address in UnlockLand and always confirm with your local planning department.
How the math works
Five simple steps take you from a lot size to a margin. Understanding them is half the point of the tool.
See where the margin lives — and where it breaks
A back-of-envelope read is only useful if you can stress it. Watch how the margin moves as build cost and unit value shift.
Go deeper
Trade estimates for real numbers
UnlockLand pulls your parcel\u2019s actual zoning, buildable area, and cost data — no guessing at FAR or coverage.