Family Law Attorney William Halsey

Call 760.721.3839

Spanish Speaking Staff


Law Office of


Personal Injury

Military Family Law

Family Law

Helping Families Throughout San Diego County

Honest Counsel, Straightforward Answers


Practice Areas

Contact Us

2424 Vista Way

Suite 320

Oceanside, CA 92054


Phone:  (760) 721-3839

Fax: (760) 721-2533



San Marcos Military Law Lawyer & Family Law Lawyer

San Marcos Family Law Attorneys and Military Law Lawyers from our office have been providing sound counsel on legal matters for more than 35 years. We know how to guide clients in family law, military law, and personal injury matters. Call our office to reach a personal injury lawyer who can help you gain proper compensation for injuries. We have a reputation for successful outcomes in San Marcos and beyond. Our firm is ready to assist in your case as well.

Our years of combined experience is just one of the reasons we are able to gain such outstanding outcomes. Please contact us at (760) 721-3839 to arrange a complimentary consultation with a skilled and knowledgeable San Marcos family law attorney, personal injury lawyer, or military attorney.

Military Lawyer William Halsey is a former JAG officer and diligent family law advocate. He offers reliable counsel on many types of military cases, administrative hearings, and more.

If you or a loved one need the help of a well-qualified personal injury attorney, family law lawyer, or military attorney, please contact our law firm. The legal team at The Law Office or William C. Halsey works to gain favorable results in every possible case.

During your initial consultation, San Marcos Attorney Halsey will take the needed time to thoroughly review the details of the case. He will also discuss what might be the best means of achieving legal goals.

Family Law Attorney Serving San Marcos, CA

At The Law Office of William C. Halsey, we identify effective ways to approach various family law issues. Our San Marcos family law lawyers work intelligently to find the right solution for many types of cases:

Family Law Lawyer

We understand that changing circumstances can present legal challenges to families. Our law firm helps individuals to understand the consequences that could result from various legal decisions. Our San Marcos family law lawyers advise clients thoroughly so that the best choice can be made.

Divorce Attorney

If you need the services of an accomplished divorce lawyer, call our firm. We use our skill to help individuals complete the process of divorce as efficiently as possible.

High-Asset Divorce Lawyer

Couples with large assets and high net worth will find knowledgeable representation from High-Asset Divorce Attorney Halsey.

Child Custody Attorney & Child Support Attorney

Our San Marcos family law lawyers and child custody lawyers use their skills in negotiation and litigation to resolve child support issues. We strive to achieve child support and custody solutions that serve the interests of the child.

Property Division Attorney

The property division lawyer in our practice is able to accurately value property and other assets. We work to achieve a fair and equitable division of a couple’s property and debts.

Spousal Support Lawyer

Our attorneys handle the complete divorce process, including helping the client prepare for the proceedings and advocating for proper spousal support. Call our spousal support attorneys for more information.

Paternity Lawyer

Our firm advocates for the interests of male parents in matters of child support and custody. For skilled representation in a range of paternity cases, call our paternity attorneys.

Domestic Violence Attorney

The domestic violence lawyers at the Law Office of William C. Halsey assist individuals in domestic violence cases that involve restraining orders or assault charges.

San Marcos Military Attorney | Previous JAG Officer

Service members stationed in San Diego or anywhere in California can find reliable legal representation from our legal team. Military Lawyer William Halsey works to protect client rights in all family law and military law cases.

San Marcos Military Lawyer William Halsey served as a USMC JAG officer for many years. He is able to effectively represent and defend the rights of military personnel in all branches:

Military Family Law Lawyer—Our law firm assists members of the military as well as their spouses. We work on a range of military family law matters. To find out what we can do for you, please call and schedule a free consultation with Military Family Law Attorney William Halsey.

Court-Martial Lawyer—We counsel and represent clients in criminal and civil cases.

Military Divorce Attorney—To gain advice and guidance on matters that involve complex military divorce matters, call for a complimentary consultation. The military divorce lawyers at our family law firm can help with matters relating to the 10/10/10 rule and 20/20/20 rule.

Military Child Custody Lawyer—We understand how to help clients resolve military child custody issues.

Military Retirement Property Division Attorney—When a divorce involving one or more members of the military gives rise to issues regarding asset or debt division, we may be able to help. We know how to ensure compliance with USFSPA requirements on military survivor benefits and disposable retirement pay.

To make an appointment for a free consultation, contact our office. You can receive helpful advice from a knowledgeable military divorce lawyer or military child custody attorney at the office of San Marcos Military Lawyer William Halsey.

Personal Injury Attorneys

If you have been injured and would like help gaining financial compensation, please call our firm. Our San Marcos personal injury lawyers offer individualized counsel. We provide assistance on personal injury cases that result from various kinds of accidents:

If you require the services of a skilled dog bite lawyer, car accident attorney, or elder abuse lawyer, our law firm can provide effective counsel.

Call Our San Marcos Family Law Attorney & Military Lawyer

Our years of experience assisting clients with legal concerns mean that we are highly qualified to help you reach legal goals. If you need a reliable San Marcos personal injury attorney, military law attorney, or family law lawyer, call our office. We represent clients in military court as well as in federal and state matters.

To schedule a private, complimentary consultation, phone our law office at (760) 721-3839. We are able to answer legal questions and provide a comprehensive evaluation of the case. Our online contact form can also be used to reach us. After we receive and review your information, we will get in touch with you to schedule a free consultation.


If you are driving from San Marcos City Hall to our firm, begin by going east on Civic Center Drive. Turn right at Rancheros drive. Turn left at East San Marcos Boulevard. Turn left at North Twin Oaks Valley Road. Get onto the 78 West. Take the El Camino Real Exit. Take a right at South El Camino Real. Then turn left onto Vista Way. Look for our office on the right at 2424 Vista Way.


San Marcos Family Law Attorney William Halsey
San Marcos Military Attorney William Halsey
San Marcos Car Accident Attorney

Copyright 2021 – Law Office of William C. Halsey

Disclaimer: The information contained herein is provided for informational purposes only and is not intended to serve as legal advice. You should not act or fail to act based on the information on this website. Prior results do not guarantee a similar outcome. Attorneys at Law Office of William C. Halsey are licensed to practice law in the State of California.