Nice work!

First you need to find out who is paying you, the daughter or the Estate. If it's the Estate you need to find out who the Executor is. If the Executor is the daughter, it sounds like you're all on the same page, give her the estimate and see what she wants to do.

If she's not the Executor, you need to confirm with him/her that the Estate is on board or even authorized to go forward. If you have any kind of a contract, it would help as the Estate is required to pay all its bills and fulfill its obligations.

Kevin