Wr are in California. We haven’t been paid by our customer but found out they have been paid by the owner of the property
Whoever helps you will need a lot more information before giving you a solid answer. There are some prompt payment statutes in California that might affect your claim or even entitle you to interest. But whether they apply and how will depend on things like who the project is with, what your position on the project was, and what your contract says.