1. Maryland Child Support Administration (CSA) — Free
State agency within the Maryland Department of Human Services administering the state's child support program for custodial and non-custodial parents. Handles locating parents, establishing paternity, setting and modifying support orders, and enforcing collection through wage withholding, tax intercepts, and license suspension. Serves Marylanders in all 24 jurisdictions through local child support offices. Applicants should bring photo ID, birth certificates, and any existing court orders to open or modify a case.
1-800-332-6347 · 311 W Saratoga St, Baltimore, MD 21201 · Mon-Fri 8am-4:30pm · Visit Website
2. People's Law Library - Child Support — Free
Free plain-language guides from the Maryland State Law Library explaining how child support is calculated, modified, and enforced under Maryland law. Covers the Maryland child support guidelines, imputing income, modification when circumstances change, arrears, and interstate enforcement. Available to any Maryland resident 24/7 online. Articles link to Maryland Judiciary forms and the CSA. Not a substitute for legal advice; parents with contested cases are referred to Maryland Legal Aid or a private attorney.
Online resource · Online 24/7 · Visit Website
3. Federal Office of Child Support Services — Free
National resource within the US Department of Health and Human Services providing information on interstate child support enforcement, federal regulations, parent rights, and state program directories. Useful for Maryland parents with cases that cross state lines or when a non-custodial parent lives in another state. Site includes parent handbooks, FAQs, and links to each state's child support agency. Parents should still open their case through Maryland CSA for direct enforcement action.
1-800-401-0379 · National resource · Mon-Fri 8am-5pm ET · Visit Website