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How to Modify Child Custody in South Carolina

Reviewed by DocDraft Legal Team · South Carolina · Last updated October 7, 2026

The only relocation provision in South Carolina's Children's Code points at the judge rather than at the parent, and that oddity runs through this whole process. Modifying child custody here means asking the family court that issued your existing custody or parenting time order to change it because something significant has shifted since that order was signed. The two halves of the test live in different places. The threshold half is judicial: in Grungo-Smith v. Grungo, Opinion No. 28243, filed November 20, 2024, the Supreme Court restated that the party seeking to alter a prior custody arrangement bears the burden of establishing a substantial change in circumstances arising after that order which affects the child's welfare, plus that the change serves the child's best interests. The best interest half is statutory, and it is the identical list the judge applied the first time, because S.C. Code 63-15-240(B) opens with the words 'In issuing or modifying a custody order' before listing seventeen factors. Nothing makes you wait. String scans of the whole of Title 63 chapters 15, 3 and 5 return zero hits for 'waiting period', 'shall not be modified', 'one year after' and six further phrasings, so there is no time bar and no endangerment affidavit standing in front of you. Relocation is the lever reported wrong most often. The state fixes no notice period and no notice triggering distance; what S.C. Code 63-3-530(A)(30) does instead is tell the judge what the order may not say about an in-state move. So read your own order. Filing costs $150, and no statewide modification form exists. Attorney review of your filing is available through DocDraft.

Find out where you stand in South Carolina

What is prompting the change to your custody order?

DocDraft provides document preparation, not legal advice.

How do I start a custody modification case in South Carolina?

You file a fresh action in the family court, not a motion in the closed file. Rule 16 of the South Carolina Rules of Family Court ties the court's control of later proceedings to service of a summons and complaint, and the Judicial Branch fee schedule prices a Child Custody or Visitation Action at $150, against $25 for a motion.

Does South Carolina make a parent wait before asking to change custody?

No. Full text scans of Title 63 chapters 15, 3 and 5 return zero hits on nine separate waiting period phrasings. The only statutory clock bars entry of a final modification order until ninety days after a military parent is released from service, under S.C. Code 63-5-920(A).

Can a South Carolina custody order stop a parent from moving inside the state?

Only on a compelling reason finding, or where the parents agreed to the ban. S.C. Code 63-3-530(A)(30) says the family court may not issue an order prohibiting a custodial parent from moving to a location within the state otherwise. The limit covers in-state moves only.

What does the 100 mile figure in South Carolina custody law actually do?

It is a best interest factor looking backward, not a notice trigger. S.C. Code 63-15-240(B)(16) asks whether a parent has already relocated more than one hundred miles from the child's primary residence in the past year, unless that parent relocated for safety reasons.

South Carolina custody modification at a glance

Changing child custody in South Carolina means asking the family court that issued your existing custody or parenting time order to change it because something significant has shifted since then. What makes the state unusual is where its rules sit. The threshold showing, a substantial change in circumstances after the prior order affecting the child's welfare, appears in published Supreme Court opinions and nowhere in the code. The best interest showing is statutory, and S.C. Code 63-15-240(B) applies the same seventeen factors to a modification that it applies to a first order. Then the only relocation provision in the whole Children's Code points at the judge rather than the parent: S.C. Code 63-3-530(A)(30) caps what an order may say about an in-state move. No waiting period exists, and no statewide modification form exists either.

An agreed move ban that the statute will not lift

Two parents signed a 2024 consent order promising each other, in writing, that neither would move the child's residence more than fifty miles without the other's written agreement. Two years on, one parent takes a job 140 miles away inside the state and assumes S.C. Code 63-3-530(A)(30) protects the move. It does not. That provision stops a judge imposing an in-state move prohibition, but it ends with the words 'or unless the parties have agreed to such a prohibition', and these parents did. Moving first would be an order violation, an enforcement problem rather than a modification. The route is a new family court action: plead the job as the substantial change, note that S.C. Code 63-15-240(B)(16) weighs a completed move over one hundred miles from the child's primary residence, and wait for the judge. Attorney review of your filing is available through DocDraft.

Relevant Laws

S.C. Code 63-15-240 (contents of a custody order and the best interest factors)

Opens both subsections with the phrase 'In issuing or modifying', so the seventeen best interest factors govern a modification exactly as they governed the first order. Factor sixteen asks whether a parent has relocated more than one hundred miles from the child's primary residence in the past year, unless the move was for safety reasons.

S.C. Code 63-3-530(A) (family court jurisdiction, and the only relocation limit)

Gives the family court exclusive jurisdiction in domestic matters and, at item twenty-five, express power to modify or vacate any order it issued. Item thirty adds the state's only relocation provision: the court may not prohibit a custodial parent from moving within the state absent a compelling reason or the parents' agreement.

S.C. Code 63-15-30 and 63-15-220 (the child's preference, and parenting plans)

Section 63-15-30 requires the court to consider the child's reasonable preference and sets its weight by age, experience, maturity, judgment and ability to express a preference, with no threshold age. Section 63-15-220 requires each parent to file a parenting plan at every temporary hearing where custody is contested.

S.C. Code 63-5-920 (military service and an existing custody order)

Bars the court from entering a final order modifying custody or visitation until ninety days after a military parent is released from military service, and provides that a military parent's absence or relocation because of service must not be the sole factor supporting a change in circumstance.

Grungo-Smith v. Grungo, Opinion No. 28243 (South Carolina Supreme Court, filed November 20, 2024)

A published Supreme Court opinion stating the modification burden: the party seeking to alter a prior custody arrangement must establish a substantial change in circumstances after that order which affects the child's welfare, plus best interests. It also holds that no extraordinary circumstances are required before a judge may request a guardian ad litem custody recommendation under S.C. Code 63-3-830(A)(6).

Regional Variances

South Carolina custody modification levers at a glance

Waiting period before you may file

None. Nine phrasings including 'waiting period', 'shall not be modified', 'may not be modified', 'one year after', 'two years after' and 'six months after' return zero hits across the full text of Title 63 chapters 15, 3 and 5. There is no endangerment affidavit route because there is no bar to escape.

The only statutory clock on a modification

Ninety days, and only for a military parent. S.C. Code 63-5-920(A) bars entry of a final order modifying custody or visitation until ninety days after the military parent is released from service. It stops the final order, not the filing, and it is not a general waiting period.

Standard to change a final order

Split between case law and statute. The threshold is judicial: a substantial change in circumstances arising after the prior order which affects the child's welfare, carried by the party seeking the change. The best interest half is statutory, under the seventeen factors in S.C. Code 63-15-240(B), which expressly reach a modification.

Relocation notice and distance

No notice period and no notice triggering distance. Eight phrasings return zero hits across Title 63 chapters 15, 3 and 5, and the statewide form catalog carries no relocation notice form. S.C. Code 63-3-530(A)(30) instead limits the judge: no order prohibiting an in-state move absent a compelling reason or the parents' agreement.

The 100 mile figure, stated precisely

S.C. Code 63-15-240(B)(16) is a best interest factor, not a trigger. The number is one hundred miles, the baseline is the child's primary residence rather than the other parent's home, the window is a one year look back at a move already made, and a safety motivated move is excepted.

Court and vehicle

The family court, which holds exclusive jurisdiction in domestic matters under S.C. Code 63-3-530(A) and power to modify or vacate its own orders at item twenty-five. Rule 16 of the South Carolina Rules of Family Court ties control of later proceedings to service of a summons and complaint.

Forms

No statewide modification form. A scan of the entire Judicial Branch catalog, 625 title and identifier pairs, 419 of them SCCA numbered forms, found no custody modification charging form and no self represented packet for it. Related forms: SCCA466 Proposed Parenting Plan, SCCA467 Coversheet, SCCA401F Summons, SCCA430 Financial Declaration, SCCA405F fee waiver.

Filing fee

$150 statewide for a Child Custody or Visitation Action per the Judicial Branch fee schedule, assembled from $100 under S.C. Code 8-21-310(C)(1) and the $50 added by S.C. Code 14-1-204(B)(1). Motions inside the case cost $25 each under S.C. Code 8-21-320. An in forma pauperis order removes the filing fee.

Procedural screen

Mediation, not an affidavit gate. Rule 3(a) of the Court-Annexed Alternative Dispute Resolution Rules subjects all contested issues in a family court domestic relations action to court-ordered mediation, with temporary relief and contempt carved out by Rule 3(b). The phrases 'adequate cause' and 'prima facie' return zero hits in Title 63 chapters 15, 3 and 5.

Child's wishes

No age threshold. S.C. Code 63-15-30 makes consideration mandatory at any age and calibrates weight by the child's age, experience, maturity, judgment and ability to express a preference. Rule 22 lets the judge talk with the child privately at the judge's discretion, and Rule 23 keeps children off the stand about parental misconduct.

Suggested Compliance Checklist

Build a dated record of the change

Before you draft anything days after starting

Collect proof tied to dates after your current order was signed: school records, work rosters, medical notes, messages, addresses. The threshold showing is a substantial change in circumstances after that order affecting the child's welfare, so undated or pre-order material does not help you. Attorney review of your filing is available through DocDraft.

Read the geographic clause in your current order

Before any move is planned days after starting

South Carolina fixes no notice period and no mileage trigger, so your order is the only source of a move restriction. Check whether the restriction was agreed, because S.C. Code 63-3-530(A)(30) does not reach a prohibition the parents agreed to, only one a judge imposed without a compelling reason.

Draft the summons and complaint for modification

Once your evidence is assembled days after starting

There is no statewide modification form, so the complaint must be written to your facts: identify the order, plead the substantial change since it was signed, and request specific relief. Attach SCCA467 Family Court Coversheet and prepare SCCA401F Summons for service.

Prepare the financial declaration if money is in issue

At or before the first hearing, or within 45 days of service days after starting

Rule 20 of the South Carolina Rules of Family Court requires a current financial declaration on form SCCA430 from all parties in any domestic relations action where a party's financial condition is relevant, filed and served by the first hearing or no later than forty-five days after the complaint is served.

File with the family court clerk and pay $150

As soon as the complaint is final days after starting

File in the family court for the county handling your case. The Child Custody or Visitation Action fee is $150, set by S.C. Code 8-21-310(C)(1) plus S.C. Code 14-1-204(B)(1). If you cannot pay, file SCCA405F and get the in forma pauperis order before filing.

Serve the other parent and submit a parenting plan

Before your temporary hearing days after starting

Service of the summons and complaint is what gives the court control of the later proceedings under Rule 16. S.C. Code 63-15-220(A) then requires each parent to prepare, file and submit a parenting plan at every temporary hearing where custody is contested. Use form SCCA466.

Request the temporary hearing on the Rule 21 schedule

21 to 45 days ahead of the hearing date days after starting

For requests submitted since October 1, 2025, Rule 21 sets the hearing no sooner than twenty-one and no later than forty-five days from the request, requires service twenty days out, limits the response to ten days out, and caps affidavits at ten or twenty pages by hearing length.

Attend mediation, then the merits hearing

Before the final order days after starting

Rule 3(a) of the Court-Annexed Alternative Dispute Resolution Rules sends the contested issues to mediation. Keep following your existing order until a judge signs a new one, because a unilateral departure is an enforcement matter and can count against you at the merits hearing.

Frequently Asked Questions

Other South Carolina guides

Adverse Possession in South Carolina: Ten Years Against a Presumption

Asset Protection Planning in South Carolina (2026)

Dealing With Debt Collectors in South Carolina (2026)

Expunging a Criminal Record in South Carolina (2026)

Filing a Workplace Harassment Complaint in South Carolina

Filing Chapter 7 Bankruptcy in South Carolina (2026)

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