South Carolina Custody Laws: Best Interest Factors and Parenting Plans

South Carolina custody laws decide where a child lives and who makes major decisions about them by applying 17 best-interest factors set out in state statute. Family court filing costs $150, most contested cases go through mediation before a judge hears them, and gender is not one of the factors. Custody comes in two flavors — physical and legal — and the court can split them between parents in almost any combination that serves the child.

Physical Custody and Legal Custody

Physical custody controls where the child lives day to day. Legal custody covers the authority to make major decisions about education, medical and dental care, extracurricular activities, and religious upbringing.¹ A court can award these separately. One parent might have primary physical custody while both parents share legal custody, for example.

The statutory best-interest factors do not include gender. Courts assess each parent individually based on the relationship with the child, parenting capacity, and other measurable criteria rather than any presumption favoring mothers or fathers.¹

Joint Custody

Under South Carolina law, joint custody means both parents share equal rights and responsibilities over major decisions. A judge can carve out specific decisions for one parent while keeping the rest shared.² When a court awards joint custody, the order must spell out where the child will live, how much time each parent gets, and how the parents will communicate about major issues like healthcare and schooling.¹

Joint custody works best when parents can cooperate. If conflict is high enough that shared decision-making would harm the child, a court will lean toward sole custody instead.

Sole Custody

Sole custody gives one parent both physical custody and decision-making authority unless a court order says otherwise.² It does not make the other parent disappear. In most sole-custody arrangements, the noncustodial parent still receives parenting time unless contact would endanger the child.¹ Courts look unfavorably on parents who try to freeze the other parent out. Attempts to manipulate or alienate the child are among the factors judges explicitly evaluate.

The 17 Best Interest Factors

South Carolina law lists 17 factors a judge must weigh when making or changing a custody order. No single factor controls the outcome, and the court can consider additional circumstances it finds relevant. The statutory factors are:¹

The child’s temperament and developmental needs.
Each parent’s capacity and willingness to understand and meet those needs.
The child’s preferences, weighted by age and maturity.
Each parent’s wishes.
How the child interacts with each parent, siblings, grandparents, and other significant people.
Whether each parent supports the child’s relationship with the other parent and follows court orders.
Whether either parent has tried to manipulate or coerce the child into the dispute.
Whether either parent has disparaged the other in front of the child.
Each parent’s ability to stay actively involved in the child’s daily life.
How well the child is settled in the current home, school, and community.
The stability of each parent’s current and proposed living situation.
The mental and physical health of everyone involved. A parent’s disability alone cannot be the deciding factor unless it makes the arrangement harmful to the child.
The child’s cultural and spiritual background.
Whether the child or a sibling has been abused or neglected.
Whether a parent has committed domestic violence or child abuse, and the effect on the child.
Whether a parent moved more than 100 miles from the child’s primary home in the past year, unless the move was for safety.
Anything else the court finds relevant.

In practice, the factors that most often tip cases are parenting capacity, the child’s existing stability, and each parent’s willingness to support the other parent’s relationship with the child. Judges notice when a parent obstructs communication or uses the child as leverage.

How Much Weight the Child’s Preference Carries

South Carolina law requires the court to consider a child’s reasonable preference for custody, and the statute sets no minimum age. The judge weighs that preference based on the child’s age, experience, maturity, judgment, and ability to articulate a meaningful opinion.³ A teenager’s clearly stated preference will carry more weight than a young child’s, but no child’s wish is automatically decisive. The court balances it against all 17 best-interest factors.

Some judges interview the child privately in chambers rather than putting them on the stand in open court. If your child has a strong preference, raise the issue with your attorney rather than coaching the child. Judges are experienced at recognizing rehearsed statements.

Domestic Violence and Custody

South Carolina law requires judges to give weight to evidence of physical or sexual abuse, and the court must consider which parent was the primary aggressor.⁴ If a victim of domestic violence left the home or relocated, that departure alone is not enough reason to deny them custody, as long as the victim was not the primary aggressor.

A parent found to have committed domestic violence can still receive visitation, but only if the court determines the child and the victim can be adequately protected. The judge has broad tools available to structure safe visitation:⁵

Supervised visits monitored by a third party or agency.
Protected exchange of the child in a safe, public location.
Abstention from alcohol or controlled substances during and for 24 hours before the visit.
A prohibition on overnight stays.
Completion of an intervention or counseling program before visitation resumes.
A financial bond posted by the abusive parent.
A prohibition on possessing firearms during the visit.

Courts can also waive the usual mediation requirement in cases involving domestic violence. If you have a protective order or a documented history of abuse, raise it with your attorney immediately so the court can take proper precautions or exempt your case entirely.

Parenting Plans

Every contested custody case requires a parenting plan. Each parent must prepare and file one at the temporary hearing stage, though parents can submit a joint plan instead. The plan lays out how parenting time will be divided, who makes which decisions, and how the parents will handle education, medical care, extracurricular activities, and religious training. Either side can file an updated plan at the final hearing.⁶

A court will not refuse to issue a custody order just because one parent failed to submit a plan, but skipping the step sends the wrong signal. A well-thought-out proposal demonstrates that you have considered what your child actually needs.

Right of First Refusal

Some parenting plans include a right-of-first-refusal clause. Before hiring a babysitter or leaving the child with someone else for longer than an agreed period, the parent in possession must first offer that time to the other parent. If the other parent declines, the first parent is free to arrange alternative care. The trigger period matters: think carefully about whether a two-hour, four-hour, or overnight threshold makes sense for your schedules.

Temporary Orders and Mediation

Custody cases can take months to resolve. Either parent can file a motion for temporary relief asking the court to set custody, visitation, and support on an interim basis while the case is pending. The hearing must be scheduled at least 21 days and no more than 45 days after the request is filed, and the other parent must receive notice at least 20 days before the hearing.⁷

Evidence at temporary hearings is generally limited to affidavits, financial declarations, and required documents like parenting plans. The judge may allow live testimony for good cause, but these hearings are designed to be faster and less formal than a final trial.⁷ Temporary orders last until the final hearing, and they carry the same legal weight as permanent orders while in effect. Violating a temporary order exposes you to contempt just as violating a final order would.

Before a judge hears a contested case on the merits, most parents pass through mediation. A neutral third party helps both sides negotiate an agreement. If you reach a deal, it goes to the judge for approval. If mediation fails, the case proceeds to a hearing. Mediation is almost always cheaper than a full trial, and agreements reached voluntarily tend to hold up better because both parents had a hand in creating them.

The Guardian ad Litem

In contested cases, the court may appoint a guardian ad litem to investigate and report on the child’s best interests. The guardian ad litem is not the child’s attorney; they function as a fact-finder for the judge. Duties include meeting with and observing the child at least once, visiting the home when appropriate, interviewing parents, caregivers, teachers, and other relevant people, reviewing school and medical records, obtaining criminal histories when necessary, and attending all custody and visitation hearings.⁸

The guardian files a written report before the merits hearing that includes conclusions from the investigation but not a specific custody recommendation. Only the parents, their attorneys, and the court can view it.⁸

Fees can be substantial. Expect to budget several thousand dollars over the life of a contested case. The court typically splits the cost between the parents, though it can assign a larger share to one side. Cooperating with the investigation is critical; parents who stonewall look like they have something to hide.

Modifying a Custody Order

A final order is binding, but it can be changed if circumstances shift significantly. The parent asking for the change must show a substantial change in circumstances that affects the child’s well-being, and the proposed modification must serve the child’s best interests. Wanting a different schedule or disagreeing with the other parent’s decisions is not enough. Common grounds that meet the threshold include a parent relocating, a child developing new medical or educational needs, a parent’s substance abuse or mental health deterioration, or a genuine safety concern.

To start, file a motion in the family court that issued the original order. The $150 filing fee applies.⁹ You will need evidence supporting the change, which might include school records, medical reports, police reports, or witness testimony. The court evaluates the same best-interest factors used in the original determination.¹

Relocating With a Child

South Carolina defines relocation as a change in the child’s principal residence for 60 days or more. A court cannot prohibit a custodial parent from moving within the state unless it finds a compelling reason or both parties agreed to that restriction.¹⁰

Out-of-state moves are different. The relocating parent generally must give the other parent written notice at least 60 days before the intended move. That notice should include the new address, the child’s new school, the planned move date, the reasons for relocation, and a proposed revised custody schedule. The non-relocating parent then has 30 days to file an objection. If no objection is filed, the move can proceed. If one is filed, the relocating parent typically cannot move with the child until the court rules.

Moving more than 100 miles from the child’s primary residence is one of the 17 best-interest factors, so a recent long-distance move can weigh against you in a custody dispute unless you relocated for safety reasons.¹

Enforcing a Custody Order

Custody orders are court orders, and violating one has real consequences. If the other parent denies your parenting time, fails to return the child on schedule, or ignores any other term of the order, you can file a motion for contempt in family court. The court has broad authority to enforce its orders and impose sanctions.¹¹

In a contempt hearing, the violating parent must explain their actions. If the court finds willful contempt, penalties can include fines, makeup parenting time, modification of the custody arrangement, and jail time. Courts can also adjust the schedule going forward to prevent repeated violations.¹⁰

If a parent takes the child and refuses to return them or relocates without court approval, the consequences escalate quickly. Law enforcement may get involved, and criminal charges are possible. Do not take matters into your own hands by retaliating or withholding the child yourself; that puts you at risk of contempt too. File your motion and let the court handle it.

When Grandparents or Other Third Parties Want Custody

South Carolina law generally presumes that children belong with their biological parents. Grandparents and other third parties do not have automatic custody or visitation rights. Two pathways exist for non-parents to seek custody or visitation when circumstances warrant it.

A person who has been the child’s primary caregiver and financial supporter can petition for recognition as a “de facto custodian.” For children under three, the person must have lived with and cared for the child for at least six months. For children three and older, the minimum is one year. Any time after a parent files a case to regain custody does not count toward these periods.¹²

Earning de facto custodian status is a two-step process. First, the court must find by clear and convincing evidence that the person meets the statutory definition. Second, the court can grant visitation or custody only if it finds, again by clear and convincing evidence, that the biological parents are unfit or that other compelling circumstances exist.¹² The bar is deliberately high.

Grandparents and other family members can also petition for visitation if they can show that denying contact would harm the child’s emotional well-being and that visitation serves the child’s best interests. A grandparent who had a close, ongoing relationship with the child before it was cut off has a stronger case than one seeking to establish a new relationship over a parent’s objection.

When Parents Live in Different States

When parents live in different states, South Carolina’s version of the Uniform Child Custody Jurisdiction and Enforcement Act determines which state’s court has authority. The primary rule: the child’s “home state” has jurisdiction, meaning the state where the child lived for the six consecutive months immediately before the case was filed.¹³

If the child lived in South Carolina for the past six months, South Carolina courts have jurisdiction even if the child has since left the state, as long as at least one parent still lives here. If South Carolina is not the home state, its courts can take jurisdiction only if the home state declines, or if the child and at least one parent have a significant connection to South Carolina and substantial evidence about the child’s welfare is available here.¹³ Filing in the wrong state wastes time and money, so confirm jurisdiction before you file.

Taxes and Custody

Custody arrangements affect who can claim federal tax benefits. The general rule: the custodial parent, meaning the one with whom the child lived for the greater number of nights during the year, claims the child as a dependent and qualifies for the child tax credit and head-of-household filing status.¹⁴

If the child spent equal nights with each parent, the IRS treats the child as the qualifying child of the parent with the higher adjusted gross income.¹⁵ Only one parent can claim the child in a given tax year. If both try, the IRS applies tiebreaker rules that favor the parent who had the child more nights, then the parent with the higher income.

The custodial parent can voluntarily release the dependency claim to the noncustodial parent by signing IRS Form 8332. That lets the noncustodial parent claim the child tax credit and the additional child tax credit. The custodial parent retains head-of-household status and the earned income tax credit regardless.¹⁶ Some custody agreements include language about alternating tax years, but the IRS follows its own rules, not your court order. If your agreement says the noncustodial parent claims the child, make sure Form 8332 is signed and attached to the return.

1
South Carolina Legislature. South Carolina Code 63-15-240 – Contents of Order for Custody Affecting Rights and Responsibilities of Parents; Best Interests of the Child
2
South Carolina Legislature. South Carolina Code 63-15-210 – Definitions
3
South Carolina Legislature. South Carolina Code 63-15-30 – Child’s Preference
4
South Carolina Legislature. South Carolina Code 63-15-40 – Consideration of Domestic Violence
5
South Carolina Legislature. South Carolina Code 63-15-50 – Domestic Violence and Visitation
6
South Carolina Legislature. South Carolina Code 63-15-220 – Parenting Plans
7
The South Carolina Judicial Branch. South Carolina Family Court Rule 21 – Temporary Relief
8
South Carolina Legislature. South Carolina Code 63-3-830 – Guardian ad Litem Duties
9
The South Carolina Judicial Branch. Family Court Filing Fees
10
South Carolina Legislature. South Carolina Code 63-3-530 – Jurisdiction in Domestic Matters
11
The South Carolina Judicial Branch. South Carolina Family Court Rule 14
12
South Carolina Legislature. South Carolina Code 63-15-60 – De Facto Custodian
13
South Carolina Legislature. South Carolina Code 63-15-330 – Basis for Jurisdiction
14
Internal Revenue Service. Publication 501 – Dependents, Standard Deduction, and Filing Information
15
Internal Revenue Service. Qualifying Child Rules
16
Internal Revenue Service. Form 8332 – Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent