This letter should be sent certified mail, return receipt requested. Always keep a copy of any document you send to another party.
1234, Main Street
Boston, MA 02123
06 April, 2005
<Recipient Address Goes Here>
On <date>, you <description>. I have obtained an estimate for the repair of said damage from a reliable repair person. That estimate came to <$ amount>. I would appreciate it if you would please provide me <$ amount> in the form of a check made payable to <your name or the name of repair person>. I would like to get this matter resolved as quickly as possible and appreciate your prompt attention to this request.
encl: <List of enclosed items goes here>