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Child Support Modification Mediation in Arizona

Yes, you can change an existing Arizona child support order when your circumstances have changed, and mediation is a calmer, faster way to do it. If your income, your parenting schedule, or your child's needs have shifted, the order can change. You and your co-parent can work out a new number together and submit it for a judge's approval.

An outdated order does not fix itself. Until a judge approves a change, the current order stands, and money you overpay or underpay in the meantime usually cannot be recovered. Acting early to agree on a new child support amount protects both of you and your child.

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When you can modify child support in Arizona

Arizona lets you change a support order only when there has been a substantial and continuing change in circumstances.[1] That standard has two parts. The change has to be substantial, meaning meaningful rather than minor, and continuing, meaning lasting rather than temporary. A brief dip in income usually will not qualify, but a lasting change often will.

There is also a shortcut. If a fresh guideline calculation[2] comes out 15 percent or more different from your current order, Arizona treats that gap as evidence the change is substantial. That is often enough to open a simplified path to modify.[3]

The 15 percent figure is not a hard requirement. You can still ask for a change below that threshold if the shift is genuinely substantial and continuing.

The changes that most often support a new order include:

📈

A change in either parent's income

A raise, a job loss, or a lasting change in what one of you earns.

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A change in the parenting schedule

Time with each parent feeds the calculation, so a real, lasting shift can change the number.

🛡️

Health insurance

Adding coverage for the child, losing it, or a meaningful change in what it costs.

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Childcare and medical costs

New daycare, or significant recurring medical or special-needs expenses.

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A new child to support

The birth or adoption of another child you are legally responsible for.

What counts as a substantial and continuing change

This is where most child support disputes actually live, because the phrase is a standard, not a fixed number. Courts look at whether the change is real and expected to last. A few weeks between jobs is temporary, while a career change or a long-term layoff is the kind of lasting shift that supports a new order.

A few situations trip parents up more than any others:

⚠️

Cutting your income on purpose

If a parent is voluntarily unemployed or underemployed, an Arizona court can base support on earning capacity rather than actual pay. In other words, the court will look at what that parent is capable of earning based on their skills and work history, rather than just their current, lower income.

ℹ️

Assuming the change is automatic

Support does not adjust on its own. Until the court approves a new order, the existing one stays fully enforceable.

⏳

Waiting to file

A modification generally takes effect no earlier than the date you file, so delay can quietly cost you money.

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Relying on a handshake deal

A private agreement to pay a different amount is not enforceable until a judge signs it into an order.

How your new support amount is calculated

A modification runs on the same Arizona Child Support Guidelines used to set your original order.[4] The guidelines follow an income shares model, which combines both parents' incomes and divides the support obligation in proportion to what each earns. Parenting time, health insurance, and childcare costs all feed into the final number.

Because a modification uses the same framework as any child support mediation case in Arizona, the calculation is familiar ground. Our mediators run the current numbers with you, so you can see the likely result before anything is filed.

When the recalculated amount lands 15 percent or more from your current order, Arizona offers a simplified process that is often faster and may not require a hearing. When it does not, the standard process applies, and mediation still lets you agree on the number instead of a judge making the decision for you.

Why families modify support through mediation instead of court

Returning to court to fight over a number is slow, public, and expensive, and it puts the decision in a judge's hands. Mediation keeps the process private and cooperative, and you and your co-parent stay in control of the outcome.

Because Aurit works on a flat fee, you know the cost before you begin, with no retainers and no hourly billing. Most support changes resolve in far less time than a contested hearing would take.

Keeping conflict low protects your children, too. Money disagreements between parents are one of the things kids feel most, and settling them calmly protects the co-parenting relationship they depend on.

Frequently asked questions

Yes, when there has been a substantial and continuing change in circumstances since your last order. The change is not automatic, so you have to request it and get a judge's approval. Mediation is a private way to agree on the new amount without a court fight.

Lasting changes such as a significant income change, an involuntary job loss, a permanent shift in the parenting schedule, or a change in health insurance or childcare costs. Short-term or temporary changes usually do not qualify. The change has to be both meaningful and expected to last.

No. A 15 percent difference between your current order and a new guideline calculation is automatic evidence of a substantial change, and it opens a simplified process. You can still seek a modification for less than that if the change is genuinely substantial and continuing.

A modification generally takes effect no earlier than the date you file your request. You usually cannot recover the difference for the months before you filed, which is why filing sooner rather than later matters.

Arizona can base support on a parent's earning capacity rather than their actual pay when that parent is voluntarily unemployed or underemployed. In mediation, we work from a realistic picture of both incomes so the number reflects what is fair.

Aurit works on a flat fee, not hourly billing, so you know your cost before you begin. There are no retainers and no surprise invoices.

Founders

Meet Our Founders and Mediators

Michael Aurit, JD, MDR, and Karen Aurit, MA

Aurit Mediation is dedicated to transforming divorce through compassion. They have guided thousands of families to peaceful resolutions. Our licensed attorney-mediators are experts in Arizona family law, ensuring every agreement is legally compliant and protects your interests.

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How Aurit Mediation helps you modify child support

Aurit Mediation helps Arizona parents update their child support orders without the cost and conflict of a courtroom. Our certified attorney-mediators run the guideline numbers with you, prepare the court-ready documents, and guide you through a judge's approval, all at a flat fee.

We meet virtually with parents throughout the state and in person at our Arizona locations, so you can take part from wherever you are. Because a change in support often arrives alongside other stress at home, we also point families toward trusted therapists across Arizona who help households steady themselves through a transition.

Give us a call to find out more about how mediation can help you and your family. We will walk you through your options so you know exactly what to expect.

Sources

  1. A.R.S. § 25-327 (Modification and termination of maintenance and support; effective date of modification) | https://www.azleg.gov/ars/25/00327.htm
  2. Maricopa County Child Support Calculator | https://superiorcourt.maricopa.gov/llrc/child-support-calculator/
  3. Arizona Child Support Guidelines, Arizona Supreme Court (standard and simplified modification; 15% variation as evidence of substantial and continuing change) | https://www.azcourts.gov/familylaw/Child-Support-Family-Law-Information/Arizona-Child-Support-Guidelines
  4. A.R.S. § 25-320 (Child support; determined under the Arizona Child Support Guidelines) | https://www.azleg.gov/ars/25/00320.htm
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