Military Child Support in California: How the Rules Work for Service Members and Military Families

Military child support in California follows the same statewide guideline that applies to every parent. The court uses both parents' incomes and each parent's time with the child. For a service member, income includes base pay and the military allowances for housing and food. Military service does not remove the duty to pay support.

Most people facing a child support question in a military family are juggling more than one moving part at once. There may be a deployment on the calendar or orders for a move. A Leave and Earnings Statement may show pay lines nobody has ever explained in plain words. A parent in San Diego County, whether the family is connected to Naval Base San Diego, Camp Pendleton or MCAS Miramar, may also be wondering whether the other parent's absence at sea or overseas changes anything about the case. This article walks through how California counts military income, what federal law protects during proceedings, and how deployment and relocation interact with support and custody orders.

What Military Child Support Means Under California Law

California sets child support with one formula, called the statewide uniform guideline, found in Family Code section 4055. There is no separate military version. A Marine, a sailor, a soldier, an airman or a Coast Guard member is treated as a parent first, and the same formula runs on that parent's numbers. The Legislature adopted the guideline in part to keep California in compliance with federal regulations for child support guidelines (Family Code section 4050).

The formula has two main inputs. The first is each parent's income. The second is the timeshare, meaning the approximate percentage of time each parent has primary physical responsibility for the child. Section 4055 sets the formula as CS = K[HN - (H%)(TN)], where HN is the high earner's net monthly disposable income, TN is the total net monthly disposable income of both parents, H% is the approximate percentage of time the high earner has primary physical responsibility for the children, and K is the amount of both parents' income allocated for child support, which depends on H% and total net income.

Income starts with "annual gross income," which Family Code section 4058 defines broadly as "income from whatever source derived," with listed exceptions. Military base pay falls inside that definition.

A few military terms come up throughout this article. BAH, the Basic Allowance for Housing, is a monthly allowance a service member receives toward housing costs. BAS, the Basic Allowance for Subsistence, is a monthly allowance toward food. PCS, a Permanent Change of Station, is a set of orders moving a service member to a new duty location. The SCRA, the Servicemembers Civil Relief Act, is a federal law that gives service members certain protections in civil court cases, including family law cases.

The guideline amount carries real weight. Under Family Code section 4057, it "is presumed to be the correct amount of child support to be ordered." That presumption can be rebutted only by admissible evidence that applying the formula would be unjust or inappropriate in the particular case, because one or more factors listed in the section is found to apply by a preponderance of the evidence, including a stipulation by the parents to a different amount. The court must also state certain information in writing or on the record.

How Military Income Is Calculated for Child Support Purposes

Base pay is the simplest piece. It is wages from employment, and section 4058(a)(1) lists salaries and wages as income.

Allowances get more attention, so the statute's exact words matter. Section 4058(a)(1) lists, among other sources of income:

"commissions, salaries, royalties, wages, bonuses, rents, dividends, pensions, interest, trust income, annuities, workers' compensation benefits, unemployment insurance benefits, disability insurance benefits, social security benefits, severance pay, veterans benefits that are not based on need, military allowances for housing and food, and spousal support actually received from a person not a party to the proceeding..."

That phrase, "military allowances for housing and food," is how California's statute reaches BAH and BAS. Federal law describes both allowances. Under 37 U.S.C. § 403, BAH varies according to the member's pay grade, dependency status and geographic location. Under 37 U.S.C. § 402, BAS is paid to members entitled to basic pay, with an exception for enlisted members during basic training. Because BAH depends on location, the figure for a family stationed in San Diego County, such as at Naval Base San Diego or Camp Pendleton, may differ from the figure after a PCS move elsewhere. This article does not state any allowance amount or rate.

Section 4058(a)(3) separately gives the court discretion over employee benefits, "taking into consideration the benefit to the employee, any corresponding reduction in living expenses, and other relevant facts." Whether a particular in-kind benefit, such as living in government quarters rather than receiving a cash allowance, belongs in income is the kind of fact-specific question that subsection frames.

Special pays, such as hazardous duty or other deployment-related pays, are additional compensation. Because section 4058 reaches income "from whatever source derived," a court may consider them, and how they are treated can depend on whether they are recurring or short-lived. No rates are given here.

The formula itself runs on net disposable income, not gross. Section 4055 points to a separate statute for that calculation, which subtracts deductions the law allows, including taxes, from gross income. Whether a given retirement contribution, such as one made under the military's Blended Retirement System, is a permitted deduction depends on how that statute treats it in the particular case.

Military pay also moves. Deployment, TDY (Temporary Duty, a short-term assignment away from the home station) and PCS moves can add or remove pay lines from month to month. Courts look at the actual income picture; under section 4058(b) the court must consider a parent's earning capacity when the parent's annual gross income is unknown, and it has discretion to consider earning capacity in place of income in other cases. The California Department of Child Support Services publishes guideline information at childsupport.ca.gov.

Servicemembers Civil Relief Act Protections in Child Support Proceedings

Two parts of the SCRA matter most in a support case, and each lives in its own section.

The first guards against default judgments. Under 50 U.S.C. § 3931, before entering judgment for the plaintiff, the court must require an affidavit stating whether the defendant is in military service, with facts supporting it, or stating that the plaintiff cannot determine whether the defendant is in service. A signed statement under penalty of perjury can satisfy that requirement. If it appears the defendant is in military service, "the court may not enter a judgment until after the court appoints an attorney to represent the defendant." If the court cannot tell from the affidavits, it may require the plaintiff to post a bond before entering judgment.

The second allows a pause. Under 50 U.S.C. § 3932, a service member who is in military service, or within 90 days after release from it, and who has received notice of the case, may apply for a stay. The section expressly covers "any child custody proceeding." At any stage before final judgment, the court may stay the case on its own motion and must do so on the service member's application, for at least 90 days, if the application includes both of these:

• A letter or other communication stating how current military duty materially affects the service member's ability to appear, and a date when the service member will be available.
• A letter or other communication from the commanding officer stating that current military duty prevents appearance and that military leave is not authorized at that time.

Applying for a stay is not an appearance for jurisdictional purposes and does not waive any defense. A service member may also apply for an additional stay; if the court refuses it, the court must appoint counsel for the service member.

California adds a support-specific path. Under Family Code section 3651(c)(2), a party activated to military duty or National Guard service and deployed out of state may file and serve a notice of activation of military service and request to modify a support order, in place of a standard motion, stating the date of deployment. If possible, the court schedules the hearing before that date. If it cannot, and the service member meets the SCRA's conditions, the court must grant a stay consistent with the SCRA's timelines.

None of this erases the obligation. The SCRA is procedural; it controls timing and fairness in court, not whether support is owed. An existing support order stays in effect during deployment unless a court changes it. The California Courts self-help site at selfhelp.courts.ca.gov explains family law procedures in plain terms.

Deployment, PCS Moves, and Modifying a Child Support Order

A support order can be changed, but only by a new court order. Nothing shifts automatically when a deployment starts, a housing allowance changes or a family relocates. Either parent may ask the court to modify support, and the court generally applies the guideline to the circumstances as they now stand.

Timing is the part that catches families off guard. Family Code section 3651(c)(1) states that, except as the section provides, "a support order may not be modified or terminated as to an amount that accrued before the date of the filing of the notice of motion or order to show cause to modify or terminate." Put plainly, support that comes due before the request is filed generally stays owed at the old amount, even if the circumstances changed earlier. That is why the deployed-servicemember notice in section 3651(c)(2) matters.

Deployment can change the inputs in both directions. Added deployment pays may raise income, and a change in allowances may lower it. A PCS move can reshape the timeshare, and because timeshare is built into the section 4055 formula, a new parenting schedule can change the support figure even when pay stays the same. Courts can also make temporary orders while a case is pending. The California Courts self-help guide to child support explains how to get or change a child support order. The Department of Child Support Services describes its own process at childsupport.ca.gov. A broader overview of how deployment touches the rest of a case appears in the guide to active duty military divorce.

Enforcing a Child Support Order Against a Service Member

When court-ordered support goes unpaid, California's Department of Child Support Services (DCSS) can open an enforcement case. Its information is at childsupport.ca.gov. This page describes that public agency only; it is not connected to the firm.

Federal law opens military pay to enforcement. Under 42 U.S.C. § 659, the United States consents to income withholding, garnishment and similar proceedings to enforce child support and alimony, and the section's definition of "United States" includes any executive department or agency. Its definition of child support covers amounts owed under a temporary, final or modifiable court order, including arrearages. Military pay is handled by DFAS, the Defense Finance and Accounting Service, the agency that pays service members and processes income withholding orders against their pay.

A second federal tool is the allotment. Under 42 U.S.C. § 665, a member on active duty who has fallen behind on support by an amount equal to two months or more of payments "shall be required to make allotments from his pay and allowances," once an authorized person gives notice to the designated official in the member's service. The allotment may include arrearages if the order provides, subject to the federal withholding limits that section cross-references. A service member may also set up a voluntary allotment, which is a separate arrangement from a court-driven income withholding order. This article does not state withholding percentages or caps.

DCSS enforcement is generally available whether the paying parent is active duty, in the reserves or retired. Retired pay raises its own questions, which are covered in the explanation of military retirement division. Past-due support stays owed, and section 3651(c) generally bars reducing amounts that accrued before a modification request was filed. Service members looking for general information about support obligations can find federal resources at militaryonesource.mil; that site is a government resource unconnected to the firm.

Child Custody, Visitation, and Deployment Under California Law

Custody shapes support, because the timeshare feeds the formula. For a parent watching a deployment approach, the custody order and the support order often need to be thought about together.

When custody or visitation is contested, Family Code section 3170 requires the court to set the contested issues for mediation. Under section 3170(b), domestic violence cases are handled by Family Court Services under a separate written protocol approved by the Judicial Council. In San Diego County, family law cases are heard by the Superior Court of California, County of San Diego, and that mediation is child custody recommending counseling with the court's Family Court Services (sections 3170 and 3183).

Under Family Code section 3183(a), except as provided in section 3188, the mediator may, consistent with local court rules, submit a recommendation to the court on custody or visitation if the mediator has first provided the recommendations in writing to the parties and their attorneys, including counsel for any minor children, before the hearing. The mediator is then called a child custody recommending counselor; Family Court Services refers to this person as the Family Court Counselor. Family Court Services explains that if no agreement is reached, the counselor makes a recommendation and the court hearing proceeds. The judge decides.

On visitation, Family Code section 3100(a) states that the court "shall grant reasonable visitation rights to a parent when it is shown that the visitation would be in the best interest of the child," as defined in section 3011 and consistent with section 3020.

Deployment has its own statute. Under Family Code section 3047, if a parent with custody or visitation receives temporary duty, deployment or mobilization orders that require a move a substantial distance away or otherwise materially affect that parent's custody or visitation, any necessary change to the order is a temporary order made without prejudice. On the parent's return, the court presumes the order reverts to the earlier one unless it finds that is not in the child's best interest. When a parent is deployed, the court may, on the relocating parent's motion, grant reasonable visitation to a stepparent, grandparent or other family member only if it makes the findings section 3047(b)(3)(B) lists. That visitation is not automatic. More detail is in the guide to deployment and child custody.

Relocation notice is a separate rule. Under Family Code section 3024, if the court does not consider it inappropriate, a custody order may specify that a parent must notify the other parent before changing the child's residence for more than 30 days, unless there is prior written agreement to the removal. To the extent feasible, the notice is given at least 45 days before the move, to allow time to mediate a new custody agreement. The wider custody framework is set out in the overview of military child custody.

If You'd Like to Talk Through Your Situation

Child support in a military family rarely turns on one number. It turns on which pay lines count, how a deployment or PCS move changes the timeshare, and whether a modification request was filed before arrears built up. A consultation is a place to raise those questions. Military Family Law Advocates practises California family law only, so questions about another state's order may need a lawyer there.

To talk with the firm about military child support, call Military Family Law Advocates at 888-771-0460 for a confidential consultation.