A: If your divorce was finalized in one of the County courts in Pennsylvania, then you will need to file a Notice to Retake Maiden Name with the Prothonotary's Office where your divorce was finalized. I suggest that you also contact your local Security Security Administration office to ensure that you comply with any of their requirements.
A: How is the agency set up? Is it an LLC? A sole proprietorship? Have you requested and received the documents that demonstrate what his relationship is with State Farm and how his agency "operates?" You need to contact a divorce attorney who can discuss this issue with you further; this is a potentially very complicated issue, and you shouldn't waive any rights until you have receive adequate disclosure and explanation.
A: It seems like your husband may be confounding issues by making statements that include the issues of the mortgage deviation and the date of valuation of marital assets. I recommend that you contact an attorney prior to signing a Property Settlement Agreement or otherwise agreeing to terms concerning the distribution of equity in the residence.