Usage patterns
〈物〉に保証金を払うto pay a security deposit for something
You need to pay a security deposit to rent this apartment.
保証金を預けるto deposit/put down a security deposit
You are required to put down a security deposit at the time of the contract.
保証金が返還されるfor a security deposit to be refunded
After moving out, part of the security deposit was refunded.
保証金を没収するto forfeit/confiscate a security deposit
Because of the breach of contract, the security deposit was forfeited.