Land is only valuable as collateral if it is buildable. Lenders will verify zoning laws and the availability of water, sewage, and electricity.
When you use land as collateral, the lender treats the equity in the land—the market value minus any existing liens—as a form of security. For example, if you own a plot worth $100,000 outright and want to build a $300,000 home, many lenders will view that $100,000 as a 25% "down payment" toward the total project value of $400,000. This can help you secure better interest rates and avoid Private Mortgage Insurance (PMI). The Benefits buying a home with land as collateral
You must own the land clearly, or have enough equity to pay off any remaining land contract within the new loan. Land is only valuable as collateral if it is buildable