About
Matthew Barceleau is an attorney with New Mexico Legal Group whose current practice covers divorce, family law, and contested probate and estate matters. His firm profile identifies him as a Las Cruces attorney. He represents clients in mediated divorces, high-conflict custody and financial disputes, and claims concerning wills, trusts, and inheritance. His work combines negotiation with preparation for contested proceedings when resolution outside court is not possible.
Barceleau graduated from New Mexico State University in 2011 after studying Government and Criminal Justice, with a supplemental major in Law and Society. He obtained his J.D. from the University of New Mexico School of Law in 2015. During law school, he worked with the Community Lawyering clinic and New Mexico’s Innocence and Justice Project, gaining experience serving low-income clients and people challenging wrongful convictions.
After his admission to the New Mexico bar in 2015, Barceleau prosecuted domestic violence, DWI, and property crimes at the Second Judicial District Attorney’s Office. He also worked with the Mental Health Court program and focused on repeat domestic violence offenders as a HEART prosecutor. His subsequent practice included insurance and civil rights defense, governmental and commercial representation, personal injury, contracts, and construction matters.
Matthew Barceleau has a broad range of work that informs his approach to the factual and financial issues that arise in family and estate disputes. He has worked with attorneys and judges across New Mexico and has experience in trial practice as well as negotiation. He helps clients assess their options and pursue workable resolutions in divorce, custody, and contested inheritance matters.
Law Office Affiliations
- Attorney, New Mexico Legal Group
- Member, State Bar of New Mexico
Licensed State
- New Mexico
Education
- University of New Mexico School of Law
Juris Doctor (JD)
Awards & Badges

- Child Custody
- Divorce & Separation
- Domestic Violence
- Probate
- Trusts
- Wills & Living Wills
- DUI & DWI
- Insurance Defense





