About
Jill Puertas is a Clayton family law lawyer whose practice covers divorce, legal separation, child support enforcement and modification, child custody, mediation, guardianship and conservatorship for disabled adults, and prenuptial and postnuptial agreements. She handles contested cases as well as mediation and non-contested solutions, helping clients address family disputes with attention to practical problem solving, future planning, and workable resolutions outside or inside the courtroom.
Jill earned a B.A. from the University of Missouri-St. Louis and a J.D. from Saint Louis University School of Law. Her legal education supports a practice that combines litigation, negotiation, mediation, and specialized work involving children and families. She has continued to build additional professional training through certification as a Guardian Ad Litem, mediator, and parenting coordinator for domestic relations matters.
Jill works with families on custody disputes and parenting issues, including matters involving children with developmental, psychological, or medical disorders. Her experience includes the IEP process and local resources available to parents and children. She serves by judicial appointment on the St. Louis County Court Mediation and Parent Coordination Oversight Committee, bringing practical experience with dispute resolution and court-connected family services to her representation.
Jill Puertas is a member of the Bar Association of Metropolitan St. Louis, The Missouri Bar, and The Florida Bar. Her professional service has included work related to domestic violence court, disability advocacy, and family support organizations. By combining courtroom experience with mediation and parenting coordination, she helps clients evaluate legal choices, protect family interests, and pursue solutions designed to reduce unnecessary conflict while addressing important long-term needs.
Law Office Affiliations
- Attorney, The Law Offices of Jill Puertas LLC
- Member, The Missouri Bar
- Member, The Florida Bar
- Member, Bar Association of Metropolitan St. Louis
- Member, St. Louis County Court Mediation and Parent Coordination Oversight Committee
- Volunteer, St. Louis County Domestic Violence Court
- Member, National Association of Professional Women
- Member, Autism Speaks
- Member, Panhandle Autism Society
- Member, Legislative Committee, St. Louis ARC
Licensed State
- Missouri
- Florida
Education
- Saint Louis University School of Law
Juris Doctor (JD) - University of Missouri-St. Louis
Bachelor of Arts (BA)
Awards & Badges




- Adoption
- Child Custody
- Child Support
- Divorce & Separation
- Domestic Violence
- Family
- Guardianship
- Marriage & Prenuptial Agreements
- Mediation & Collaborative Law
- Paternity





