On public projects in California, for example, state law caps retainage at 5% prior to completion and acceptance of the project. These laws also set a deadline for the payment of retainage, though the timeline is typically based on the payment to the contractor's hiring party.
For example, ing to retainage rules in California, state law caps retainage at 5% prior to completion and acceptance of the project. On private construction projects in Taxes, the property owner must retain 10%. You need to consult to see what the rules are in your state.
Retainage on private projects in Nevada is capped at 5% from each progress payment on the project. Any withheld retainage funds must be released by the property owner within 30 days of completion of the project.