5 Key Factors That Influence Child Custody Decisions in a Divorce

December 19, 2025

Divorce can be one of the most emotionally difficult times in a parent’s life, especially when child custody is at stake. 

Questions like who will take care of the child, how parents make decisions, and whether the court treats each side fairly often cause intense stress and confusion. Fortunately, in California, custody decisions are guided by a clear legal standard: the best interests of the child.


In this article, we’ll explain the five most important factors judges consider in custody decisions, how the law works in California, and how tools like wills can help parents protect their children’s future.


What is Child Custody?


Child custody refers to the legal rights and responsibilities parents have over the care and upbringing of their child. At its core, the child custody definition covers two main aspects: legal custody and physical custody.


  • Legal custody gives a parent the right to make key decisions about a child's upbringing, such as educational, medical, religious, and general welfare matters.
  • Physical custody, on the other hand, determines the child’s primary residence and which parent is responsible for their daily care and routine.


Custody can be joint (shared between both parents) or sole (granted to one parent). In joint custody arrangements, parents share responsibilities and time with the child, though not always equally. In sole custody cases, one parent holds either legal, physical, or both types of custody, while the other may have visitation rights. 


California law generally favors joint custody when it benefits the child, and both parents are capable of cooperating.


Legal Framework for Divorce and Child Custody in California


In California, the divorce process includes child custody decisions with one primary goal: protecting the child's best interests. If parents can't agree on a custody arrangement, the court will step in to decide.


Under California Family Code § 3020, judges evaluate several factors to determine what custody arrangement will best support the child’s health, safety, and welfare. The law emphasizes:


  • Stability and continuity in the child’s living environment
  • Emotional well-being and relationship with each parent
  • Protection from abuse, neglect, or exposure to conflict


Key points about California’s approach:


✔ Best Interests Standard: All decisions are made based on what supports the child’s long-term well-being.

✔ Gender-Neutral Law: Courts do not favor mothers or fathers; both parents are treated equally under the law.

✔ No Automatic Joint Custody: Unlike some states, California does not presume joint custody is best. It’s encouraged when both parents are capable, and it benefits the child.


This balanced, flexible approach allows judges to tailor custody arrangements to each family's unique needs.


5 Key Factors That Influence Child Custody Decisions


When California family courts decide custody arrangements, they don’t rely on assumptions or fixed formulas. Instead, they evaluate a range of factors to determine what will best support the child’s overall well-being. Below are the five key factors judges typically consider during custody proceedings.


1. The Child’s Best Interests


The most crucial factor in any custody case is what will best support the child’s long-term health, safety, and well-being.

Under Family Code § 3020, judges evaluate:


  • The child’s need for stability in the home, school, and community
  • Ongoing relationships with parents, siblings, and extended family
  • Each parent’s ability to meet the child’s physical, emotional, and developmental needs
  • Any risks to the child’s safety (e.g., exposure to conflict, unsafe environments)


This standard helps ensure that all custody decisions prioritize the child’s overall quality of life.


2. History of Parental Involvement


Courts assess each parent’s role in the child’s life before and during the separation. Judges often favor maintaining consistency in the child’s routine.


Relevant considerations include:


  • Who handled day-to-day responsibilities (meals, bedtime, school prep)
  • Who scheduled and attended medical or dental appointments
  • Participation in school, sports, or extracurricular activities
  • Evidence of emotional support, stability, and presence


A parent who has consistently shown responsibility and commitment is more likely to be awarded greater custody rights.


3. Ability to Co-Parent and Communicate


Even in joint custody arrangements, communication between parents is key. The court will evaluate whether each parent can effectively work with the other to support the child’s needs.


Judges look at:


  • Willingness to share information and make joint decisions
  • Respectful communication and the ability to resolve conflicts
  • Past cooperation in parenting matters
  • Evidence of using the child as a messenger or creating tension


If one parent shows an unwillingness to collaborate or prioritizes personal grievances over the child’s well-being, it may affect the court’s decision.


4. Evidence of Abuse, Neglect, or Domestic Violence


California courts take any history of abuse or violence extremely seriously. Protecting the child from physical, emotional, or psychological harm is a legal priority.


The court will consider:


  • Police reports or restraining orders.
  • Reports of child abuse or neglect
  • Domestic violence incidents involving either parent
  • Substance abuse or mental health concerns that impair parenting ability


A finding of abuse may result in limited or supervised visitation or loss of custody for the offending parent.


5. The Child’s Preference


If the child is mature enough to express a well-reasoned preference, the court may consider their input. In California, this typically applies to children 14 years of age or older, though the court may hear younger children in some cases.

The judge considers:


  • The child’s age and ability to express a thoughtful opinion
  • Whether the child prefers one parent due to safety, comfort, or emotional connection
  • If the child is being influenced or pressured by either parent


The Role of a Child Custody Lawyer in Contested Cases


When parents cannot agree on custody arrangements, the case becomes contested, and legal representation becomes critical. A skilled child custody lawyer can:


  • Prepare and file all necessary legal documents.
  • Gather evidence to support your custody position.
  • Represent you in mediation or court hearings.
  • Advocate for your child’s best interests in complex or high-conflict situations.


Having a knowledgeable lawyer by your side can make a significant difference in the outcome of a custody case, especially when emotions are high or serious allegations are involved.


How Wills and Custody Work Together


Custody planning doesn’t stop with the divorce. If you're a parent, it’s also important to think about who would care for your child if something happened to you. A will allows you to express your wishes, and while the court has final authority, your plan can strongly influence the outcome.


Here’s how wills and custody work hand in hand:


Include Guardianship Instructions in Your Will

You can name a legal guardian in your will, someone you trust to care for your child if you pass away. The court will review your choice and usually follow it, as long as the person is suitable and able to provide a safe home.


Prepare Legal Documents That Match Your Custody Plan

Make sure your will and other documents align with your custody arrangements to avoid confusion or conflict, especially if you're sharing custody or following a parenting plan after divorce.


Understand What Happens If a Parent Dies

If one parent passes away, custody usually shifts to the surviving parent, even if the deceased parent didn’t have primary custody. If both parents die, the court will look at your will to help decide who should care for your child.


Work With Legal Professionals for a Clear Plan

To make your wishes legally strong and easy to follow, it’s best to work with an attorney. A family law and estate planning lawyer can help you create a clear, valid plan that protects your child and avoids legal disputes.


How to Make a Will Regarding Child Custody


Creating a will that names a guardian for your child is one of the most important steps you can take as a parent. It gives you a voice in who will care for your child if something happens to you and helps avoid confusion or family disputes down the line.


This step is vital for all parents, including those who are divorced, separated, or never married. In fact, issues related to child custody and visitation rights for unmarried couples often highlight the need for precise legal planning. A properly written will can help ensure your child stays with someone you trust, regardless of your relationship status with the other parent.


Here’s how to do it the right way:


1. Choose a Guardian You Trust

Select someone who shares your values, parenting style, and has the capacity, emotionally, physically, and financially, to care for your child. Always talk to the person first to make sure they’re willing to accept the responsibility.


2. Name Alternate Guardians

Life is unpredictable. If your first choice is unable or unwilling to serve as a guardian, it’s important to name one or two backup options to ensure the court has additional decisions aligned with your wishes.


3. Clearly State Your Wishes in Writing

Use simple, specific language to name the guardian in your will. Avoid vague terms like “a close family member.” The more precise you are, the easier it is for the court to follow your intentions.


4. Work With an Attorney

To ensure your will is valid under California law, consult an experienced family law attorney. We’ll ensure your documents are legally enforceable and consistent with any existing custody orders or agreements.


Conclusion: Preserve What Matters Most


Your child’s safety, stability, and emotional health should always come first, especially during significant life changes such as divorce or the death of a parent.


By understanding how custody is determined and taking proactive legal steps, both in court and through estate planning, you give your child the strongest foundation possible. Whether you're facing a contested custody case or preparing a will, the proper guidance can help protect your child’s stability and future.


Frequently Asked Questions About Child Custody


Who is most likely to win custody of a child?

Courts do not favor one parent over the other based on gender. Custody is awarded based on the best interests of the child, which includes each parent’s caregiving history, ability to co-parent, and the child’s emotional and physical needs.


How does child custody work in California?

California law separates custody into two parts: legal custody, which involves decision-making authority, and physical custody, which refers to the child's primary residence. Parents may share joint custody, or one may have sole custody if it better serves the child’s well-being. Courts aim to support ongoing relationships with both parents whenever safe and appropriate.


Get Trusted Help with Your Child Custody Case


Child custody matters are complex, but you don’t have to face them alone. Whether you're navigating divorce, guardianship, or long-term custody planning, our experienced attorneys at Harris & McKeown Law Firm are here to guide you with clarity and compassion.

Schedule a confidential consultation today!

Hands shaking over a desk with a gavel and scales of justice, likely after a legal agreement.
November 14, 2025
Family Law Attorney traits: empathy, communication, strategy, assertiveness, integrity, and family law expertise. Learn how to choose the right one.
Person sitting on couch with head in arms, appearing distressed.
October 16, 2025
Learn 5 signs of domestic violence at home, how to recognize them, and when to seek legal help in Orange, Riverside, and Los Angeles counties.
Judge with gavel and family figurines on a table; legal concept.
September 19, 2025
If you’re a parent, one of your biggest concerns is what will happen to your child if you can’t care for them. Illness, injury, or unexpected events can leave them without a clear caregiver. Many families assume a verbal agreement or a will is enough, but in California, you must follow a formal legal process to appoint a guardian. Without a clear plan, relatives may disagree over who should step in, or the court could place your child in temporary foster care while it makes a decision. That can lead to delays, confusion, and stress for both your child and your family. You can avoid these problems by learning how guardianship works and taking a few practical steps now. With the right legal guidance, you can appoint someone reliable to take responsibility for your children and give your family clarity for the future. What Is Legal Guardianship in California? Legal guardianship in California is a court order allowing an adult (not the child's parent) to care for a minor, including making decisions about education, healthcare, living arrangements, and daily needs. Guardianship becomes necessary when parents cannot care for their child due to illness, incarceration, substance abuse, death, or other serious situations. Unlike informal caregiving, legal guardianship must go through the court system and meet specific requirements under California law . It may last for a limited time or continue long-term, depending on the situation. Once appointed, the guardian assumes many of the responsibilities that a parent would normally have. Guardianship does not terminate parental rights. In most cases, the child’s parents still retain some legal rights and may be allowed visitation or, in certain cases, may petition the court to regain custody if circumstances improve. Guardianship vs. Conservatorship: What’s the Difference? Guardianship and conservatorship are often confused, but they serve different purposes. Guardianship applies to minors , children under 18 who need someone to care for them when their parents are unable to do so. The guardian steps in to make decisions about the child's well-being and daily life. Courts use conservatorship for adults who cannot manage their personal or financial responsibilities due to physical or mental limitations. In short: Guardianship = for children. Conservatorship = for incapacitated adults. Understanding the Types of Guardianship in California Not all guardianship arrangements are the same. In California, the court can grant different types of guardianship based on the circumstances and urgency. Temporary Guardianship Temporary guardianship allows a person to take immediate responsibility for a child for a limited period, usually while the court reviews a longer-term guardianship petition. Families often choose temporary guardianship when a child needs care right away, for example, if a parent is hospitalized or becomes suddenly unavailable. In these cases, there may not be enough time to complete the whole legal process for permanent guardianship. The person seeking guardianship files a petition explaining the need and urgency. If the court grants the petition, the temporary guardian will be legally authorized to make decisions about the child’s care until the court holds a hearing on permanent guardianship. Emergency Guardianship Some people use 'emergency guardianship' interchangeably with 'temporary guardianship', but in California, the courts apply it more narrowly to cases involving an urgent threat to a child’s safety or well-being, such as abuse, neglect, or abandonment. In these situations, a person can petition the court for immediate authority to care for the child, often without giving prior notice to the parents if doing so would put the child at risk. The court calls this an ex parte request. If approved, the court grants emergency guardianship quickly, sometimes within 24 to 48 hours. Emergency guardianship is short-term and remains in effect until a regular guardianship hearing can take place. Permanent Guardianship Permanent guardianship is a long-term arrangement for situations where a child’s parents are unable to provide care for an extended period or permanently. Relatives, close family friends, or others with a strong relationship to the child may request it as part of a family’s estate or care plan. Once granted, permanent guardianship remains in place until the child turns 18, unless the court modifies or terminates the order. While parents still retain some legal rights, the guardian has full authority over the child’s daily care, education, and medical decisions. 5 Practical Considerations When Choosing a Guardian Selecting a guardian for your child involves legal, emotional, and practical factors that can impact your child’s well-being and your family's peace of mind. Here are five key points to think about when making this important decision. 1. Is Your Chosen Guardian Legally and Practically Suitable? In California, a guardian must be at least 18 years old, mentally competent, and able to provide a stable home environment. But beyond meeting the basic legal requirements, consider whether the person is truly in a position to take on the responsibility, both emotionally and financially. Ask yourself: Does this person have the time and energy to care for a child full-time? Do they live in a location that would allow the child to maintain stability (school, friends, routine)? Are their values, parenting style, and lifestyle compatible with how you would want your child raised? It’s also important to think about any potential legal complications. For example, someone with a criminal record or ongoing financial problems may face challenges getting court approval. 2. Have You Considered the Child’s Needs and Preferences? Choosing a guardian isn’t just about who you trust; it’s also about what’s best for your child. Think about their emotional, educational, and medical needs, as well as their existing relationships with potential guardians. California courts may consider the preferences of older children, particularly those aged 12 or older. If your child is old enough to express a reasonable preference, involve them in the conversation, or at least keep their feelings in mind when making your decision. Also, consider factors such as: Does your child already have a strong bond with the proposed guardian? Will they need to relocate or change schools? Will their cultural, religious, or language background be maintained? 3. Do You Have the Right Legal Documents in Place? To make your decision legally enforceable in California, you must complete the proper paperwork and, in most cases, go through the court process. At a minimum, your guardianship plan should include: A nomination of a guardian in your will Any related forms required by the court (such as Form GC-210 for guardianship petitions) Supporting documents showing why the guardian is suitable Working with a family law attorney ensures that your documents are complete, accurate, and in compliance with California law. It also helps prevent delays or disputes during the court process. 4. Have You Communicated Your Plans With Key People? Once you’ve chosen a guardian, don’t keep it to yourself. It’s essential to communicate your decision with the proposed guardian to confirm they’re willing and able to take on the role. An unexpected guardianship can place strain on everyone involved, even if the court approves it. You should also consider talking to close family members, especially those who might expect to be involved in your child’s care. A transparent and open conversation now can prevent confusion, disagreements, or even legal disputes later. In some cases, families choose to write a short letter explaining their decision, which they can include with legal documents or share during the court process. 5. Are You Prepared to Review and Update As Life Changes? Guardianship planning isn’t something you do once and forget. Life circumstances can change: yours, your child’s, and the proposed guardian’s. The person who seems like the best fit today may not be the right choice in five or ten years. Make a point of reviewing your guardianship documents every few years or after major life events, such as divorce, death, relocation, or changes in relationships. You can update your nomination or modify your legal documents as needed. Keeping your guardianship plan current helps ensure the guardian you choose can continue protecting your child in accordance with your wishes. When to Contact a Guardianship Lawyer Planning for guardianship requires both selecting the right person and following the legal process. In California, the court must approve guardianship, and even straightforward cases involve paperwork, deadlines, and legal requirements that are easy to miss. You should contact a guardianship lawyer if: You want to formally nominate a guardian in your will or through the court. You’re unsure what type of guardianship fits your situation (temporary, permanent, emergency) There are complex family dynamics, such as disagreements among relatives or an absent parent. You need help completing or filing court forms correctly. You want to make sure your plan aligns with California law and will hold up in court. An attorney with experience will support you through each phase, explain your options, and help you avoid delays or errors. Most importantly, a guardianship lawyer ensures that you clearly document your wishes and that someone you trust protects your child. Frequently Asked Questions About Guardianship What are the grounds for guardianship in California? Families typically seek guardianship when a child’s parents are unable to provide care due to serious issues like illness, death, incarceration, substance abuse, or abandonment. In these cases, a relative, a close family friend, or another responsible adult can petition the court to appoint them as the child’s legal guardian. Are there any downsides to guardianship? Yes, there are a few considerations. First, guardianship requires court involvement, which can be time-consuming and emotionally difficult for families. It may also lead to disputes among relatives, especially if more than one person wants custody of the child. In some cases, parents may object or try to regain custody, which can create further legal challenges. Additionally, the guardian must take on full responsibility for the child’s well-being, including financial and medical decisions. What exactly does “guardianship” mean in legal terms? Legally, guardianship is a court order that grants a non-parent the authority to care for a minor and to make decisions on the minor's behalf. In California, this includes providing a home, enrolling the child in school, managing medical care, and handling day-to-day responsibilities. Guardianship is different from adoption; it doesn’t terminate the parents’ rights, but it does give the guardian legal authority to act in the child’s best interest. Secure Your Child’s Future Today Choosing a guardian is a critical decision for any parent. It ensures that a trusted individual will protect, support, and raise your child. We help California families navigate guardianship with clarity and care. Whether you are planning or facing an urgent situation, we guide you through the legal process and help you create a plan for peace of mind. Contact us today to take the next step toward securing your child’s future.
Couple signing marriage documents with rings visible, near a pink floral arrangement.
August 15, 2025
Learn the 10 key topics to include in your prenuptial agreement to protect assets, clarify finances, and avoid future disputes under California law.