How much does a writ of garnishment cost? A writ of garnishment can be a valuable tool in debt collection. A common question is relating to costs of course. Costs means something different than legal fees. For the overwhelming majority of our cases the legal fee is contingency based: we take a percentage of what is recovered, or no recovery, then no fee However, costs are something that must always be paid by our clients. This is an ethical requirement. We advance these costs