Keep in mind, mailed applications take longer to process than online applications. Call (800) 252-8014 to receive a form in the mail.Harris County families can enroll to receive free services to establish, monitor, collect, adjust, or terminate child, medical, and dental support. These forms allow parents, families, and employers to provide the Child Support Division with additional information so we can better serve you. IV-D Child Support Courts are located in the Family Law Center at 1115 Congress, Houston, TX 77002. In this article, learn about how spousal maintenance is ordered, the requirements to be eligible for spousal maintenance, and other important information. Monthly Child Support Calculator. This calculator provides an estimate for a single source of income. Types of Alimony Available in Texas. In Texas, there are mainly two types of alimony: temporary spousal support and post-divorce maintenance.