Looks like a company called HomeServe is trying to sell you water insurance for your home under the disguise of the City of Houston. Many in Clear Lake have received this notice in the mail. It looks official.
A full size image can be found here courtesy of InstantNewsWestU. How many times have you had a leak in the pipes between the water meter and the house? Personally I have had one, in 25 years. It cost $125.00 to fix. So you might want to be careful of what you receive in your mailbox.