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Divorce and family law matters can be both legally and emotionally complex. Our firm provides thorough guidance for clients facing these challenges, including divorce, child custody disputes, separation, and related issues. We ensure that your rights are defended, your questions are answered, and that you are supported throughout the legal process with professionalism and clarity.

Matthew Sheasby, a Board-Certified Family Law Specialist with more than two decades of experience, leads our practice with a combination of legal expertise and compassionate advocacy. We understand the pressures families face during divorce and provide strategic representation, negotiation, and counsel to protect your assets and safeguard your interests. Our goal is to navigate the legal process efficiently while addressing the personal impact on you and your family, always keeping your best interests at the forefront.

Served areas
  • Southern California
Business details
  • Year established: 2004
  • Licensed
  • Insured
Highlights and features
  • Over 20 years of family law experience
  • Board-certified divorce and family law specialist
  • Aggressive yet compassionate legal representation
  • Expert negotiation for high-conflict divorce cases
  • Comprehensive estate planning and probate services
  • Personalized strategies to protect your rights
Payment methods
  • Cash
  • Checks
  • Financing available
Services
Divorce Lawyer Navigating a divorce can be stressful and overwhelming, and we are here to offer knowledgeable, empathetic counsel. Our attorneys have extensive experience across all areas of divorce law, including legal separations, annulments, and high-net-worth cases. We guide you carefully through every step, safeguarding your interests and helping you reach informed decisions that consider both your needs and those of your children.
Family Law We are dedicated family law practitioners who help clients resolve complex domestic issues, including child custody, asset division, and spousal agreements. Understanding the emotional intensity of family disputes, we offer impartial legal counsel to guide you through challenging decisions. Our expertise ensures that you approach each matter with clarity, confidence, and the right strategy for your circumstances.
Estate Planning With decades of experience in estate and elder law, we assist clients in crafting wills and plans that reflect their objectives and protect their families. We coordinate with insurance and trust experts to optimize asset distribution and limit tax exposure. Taking prompt action ensures your estate provides lasting security for your beneficiaries.
Probate Our firm provides comprehensive probate services to ensure that your estate is managed and distributed according to your wishes. We oversee every stage of the probate process, from collecting assets and paying debts to distributing property to beneficiaries. Our experienced attorneys guide clients with clarity, offering professional representation and supervision to guarantee that the courts process aligns with your estate planning intentions.
People
Matthew Sheasby
Matthew Sheasby
Matthew E. Sheasby is a Certified Family Law Specialist licensed by the California State Bar Board of Specialization.

With his reputation as an aggressive divorce trial attorney and a history of success representing clients in high conflict, high asset custody, and divorce cases, he is the advocate you want on your side. Attorney Sheasby is also known for his ability to balance clients needs and financial considerations with complex legal issues in the context of the litigation.
Reviews (6)
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Jamal Andersen
Jun 05, 2025
Mr. Sheasby is an amazing attorney. His attention to detail is what makes him good at what he does. He has a lot of knowledge in more than one area and truly cares about his clients. His office staff work together to give each client the service that they need. I have gone to Mr. Sheasby for more than one issue over the years and he is consistent in his service. Before going anywhere I would highly suggest a consultation with Matt Sheasby.
John Donaldson
Oct 26, 2023
If you are a Male looking for a Divorce Attorney I would skip this particular Attorney. He is strictly for women and do not let him take your money. I was told by Mr. Sheasby exactly this, "it is your word against hers and yours does not matter. He chose my case to not fight for me as he has a relationship with my ex's best friend. He should be disbarred.
Liem Lieu
May 20, 2022
Very happy with the outcome of my divorce case. Mathew Sheasby got me to the finish line. He fought for me and very thankful for his service and dedication to my case. He took time to explain everything to me. The divorce language is very foreign to me. Any time I have questions and concerns, him and his team address it in a timely manner. I'm glad I called him. I had a very difficult Ex. He wanted me to pay him alimony, child support and he wants 50/50 custody. But at the end my Ex had to pay me child support. I have custody of my kids 86%. I do not pay me alimony. Very impress by him at trial. Great crossed examinations and closing statements. I highly recommend him if you are going through a divorce. You will not be disappointed. Money well spent. So glad it's over!!!
Ron Browne
Sep 16, 2021
I retained the Sheasby Associates for what I thought was going to be a small / simple legal matter on a retirement issue. It ended up dragging out over a year, causing multiple delays. The firm never charged additional fees, stayed on top of things, and got the job done as promised.
Jens Andersen
Mar 28, 2018
Matthew Sheasby has been my attorney handling the Conservatorship for my Dad for over 2 years. I followed him to his new offices when he branched out.
Nothing but professional service from him and his staff. Highly recommended!
Michelle St Andrews
Aug 29, 2017
Best Family Law Firm In Rancho Cucamonga!!
Referred anyone and everyone I know...(: