An innovative firm in Joliet with old-fashioned values...


Erin Webster O'Brien, P.C., formerly Erin Webster O'Sullivan, P.C., is dedicated to serving clients throughout Will County who are in need of legal assistance in several areas of family law, including: Divorce, Post-Decree Divorce, Child Custody, Child Support, Pre-Nuptial Agreements, and more.

As both a skilled mediator and litigator, Ms. O'Brien will work with you to meet your needs for legal representation, no matter how complex your situation.

Dedicated to Our Illinois Clients

Whether you are filing for an amicable separation or are embroiled in a difficult child custody battle, attorney Erin O'Brien is the right choice for your case in Illinois. She combines a personable and professional approach with solid legal experience in family law to deliver quality service to every client.

Ms. O'Brien began this firm with the clear vision to provide clients with results-oriented, one-on-one legal assistance for some of the most sensitive issues involving couples and their children. She takes pride in her ability to help people get through some of the toughest times they’ll ever face.

During your initial consultation, Ms. O'Brien will explain all the possible options for your case so that you can make the most educated decision regarding your specific family circumstances.

Ethical, Respected, and Caring

As an aggressive advocate for her clients, Ms. O'Brien handles cases at all points of the spectrum, from negotiations through the settlement process and all the way to the courtroom. Further, Ms. O'Brien is one of the only attorneys in Will County to practice Collaborative Divorce.

This process allows clients to determine their own fate during a divorce, instead of placing them in front of a judge who is unfamiliar with their lives and personal goals.

Contact an Attorney with Your Bests Interests in Mind

Erin Webster O'Brien, P.C., will dedicate focused, personal attention to your case. She is committed to resolving even the most delicate family legal issues. Call 815-727-2100 or send an email to set up a consultation today.

Serving clients in the Will County area including the communities of Beecher, Braidwood, Crest Hill, Lakewood Shores, Lockport, Manhattan, Monee, Shorewood, Steger, University Park, Godley, Channahon, Wilmington, Diamond, Joliet, Plainfield, Minooka, Mokena, Frankfort, New Lenox, Romeoville, and Bolingbrook.
International Academy of Collaborative Professionals Collaborative Law Institute of Illinois Will County Bar Association Rotary Club of Joliet Better Business Bureau