There are multiple definitions - click on the translation that matches your context.

出租转让费

名词

neolog

key money

noun

Definitions of key money

English

money paid by a tenant to a landlord as a security deposit

Key money may retained against outstanding rent and excessive damage.

English

money paid by a tenant to a landlord in exchange for a set of keys

The non-refundable sum of £40 is payable as key money.

English

money paid to an existing tenant who transfers the lease to a new tenant at below the market rate

In France, the new tenant essentially buys the lease from the original tenant by paying key money.