"Easement" is a term that means this [1]. You can give someone an easement allowing them to use your property somehow, and you can make the offer contingent on

"Easement" is a term that means this [1]. You can give someone an easement allowing them to use your property somehow, and you can make the offer contingent on something in return, such as payment. It's a type of contract and not uncommon to see for things like utilities or nature preserves. [1] https://en.wikipedia.org/wiki/Easement https://en.wikipedia.org/wiki/Easement.