When you’re facing divorce in New York with children involved, one of your biggest questions is: “How much will child support be?” The answer starts with understanding what income actually counts—and in New York, the definition is broader than most people realize.

This isn’t just about your salary. New York takes a comprehensive approach to defining income, which means you need to understand both what counts and what is deducted. As someone with an MBA in finance, I’ve helped countless couples navigate these calculations in mediation, and getting this right from the start makes all the difference.

How New York Approaches Child Support

Understand how the Child Support Standards Act calculates New York child support. Contact Equitable Mediation at (877) 732-6682 to discuss child support mediation solutions.

New York uses the Child Support Standards Act (CSSA), which applies an income shares model. Both parents’ incomes are combined, then a percentage is applied based on the number of children.

For 2025, New York applies these percentages to combined parental income up to $183,000: 17% for one child, 25% for two children, 29% for three children, 31% for four children, and at least 35% for five or more children. What trips people up is that the income used in this calculation isn’t what you report on your tax return, and it’s definitely not your take-home pay.

What Income Gets Counted

New York takes a comprehensive approach. The starting point is your gross income—what you reported (or should have reported) on your most recent federal tax return. This includes wages, salary, bonuses, and commissions. But it doesn’t stop there.

Self-employment income, business income, investment income from stocks or bonds, and rental income all count. So do workers’ compensation, disability benefits, unemployment insurance, Social Security benefits, veterans benefits, pensions, retirement income, fellowships, stipends, and annuity payments.
Here’s where financial expertise matters: New York also considers “perquisites”—employer-provided benefits such as meals, lodging, company cars, or club memberships. If these benefits reduce your personal expenses or provide economic value, they can count as income. The question is: does this benefit put money in your pocket or reduce what you’d otherwise spend?

CSSA Income vs. Taxable Income: A Critical Difference

Your CSSA income for child support is not the same as your taxable income. For taxes, you get numerous deductions—mortgage interest, charitable contributions, and retirement contributions. For child support? Those don’t apply.

New York uses “adjusted gross income,” which starts with your gross income and subtracts only specific allowable deductions. This means tax planning strategies that minimize your tax liability don’t reduce your child support income. The calculation focuses on your actual earning capacity, not your tax optimization.

Allowable Deductions

New York permits only specific deductions when calculating adjusted gross income. The most common are FICA taxes—Social Security and Medicare. These mandatory payroll deductions come right off the top.

If you live in New York City or Yonkers, you can deduct local income taxes. Note that state and federal income taxes are not deductible for child support purposes.

Other allowable deductions include child support you’re paying for other children under a court order or written agreement, alimony or spousal maintenance paid to a former spouse (not in your current case), and unreimbursed employee business expenses that don’t reduce your personal living expenses.

For most W-2 employees, the calculation is straightforward: take your gross income and deduct approximately 9% for FICA and local taxes if applicable. If you earn $100,000 annually, your adjusted gross income would be roughly $91,000.

Self-Employment Income: Added Complexity

If you’re self-employed or own a business, the calculation becomes more complex. New York recognizes legitimate business expenses that reduce taxable income. However, not every tax deduction applies to child support.

The key is distinguishing genuine business expenses from personal expenses flowing through your business. New York adds back certain deductions, including depreciation amounts exceeding straight-line depreciation, and entertainment and travel expenses that reduce personal expenditures.

Example: You own a consulting business with $200,000 in gross income. You deduct $30,000 in expenses, resulting in $170,000 in net income on your tax return. But if $5,000 were business meals primarily benefiting you personally, and $3,000 represented accelerated depreciation, those get added back. Your CSSA income would be $178,000, not $170,000.

This isn’t about whether expenses are legitimate tax deductions—they may be perfectly appropriate. The question is whether they represent cash genuinely unavailable to you, or expenses providing personal economic benefit.

Rental Income Considerations

Many people assume rental income for child support equals what they report on Schedule E—rental income minus expenses and depreciation. Not quite.

New York considers rental income and allows deductions for genuine costs of maintaining the property for rental purposes. But depreciation—a paper loss, not an actual cash outlay—may not be fully deductible. If you provide substantial services beyond basic maintenance, the income may be treated differently.

Why Accurate Income Calculation Matters

Ensure accurate New York child support income calculations through mediation with Equitable Mediation. Call (877) 732-6682 to discuss fair child support agreements.

Getting the income calculation right from the beginning sets the foundation for everything else. When couples enter mediation without a clear understanding of income calculation, they propose arrangements based on incomplete information, leading to frustration and agreements that may not hold up.

In mediation, we work through your actual financial situation together, examining income sources, identifying what counts, and calculating adjusted gross income accurately. This transparency helps both of you understand the numbers and creates trust.

Financial expertise makes this process smoother. With my background in finance and training from Harvard and MIT, I help you understand the nuances that matter for your specific situation—whether dealing with variable compensation, equity awards, business income, or multiple income sources.

Beyond the Basic Calculation

Income calculation is just the first step. New York also requires parents to share certain expenses beyond basic child support: children’s health insurance costs, unreimbursed medical expenses, and work-related childcare expenses. These get divided between you proportionally based on your respective incomes.

Understanding your complete picture—basic support plus add-ons—helps you plan realistically and ensures fair contributions to your children’s needs.

The Mediation Advantage

Work through New York child support calculations in divorce mediation with Equitable Mediation. Call (877) 732-6682 to schedule a mediation consultation.

In litigation, you submit financial affidavits, attorneys argue over what counts as income, and a stranger makes decisions about your finances without understanding your family. The process is expensive, adversarial, and often produces ill-fitting results.

Mediation offers a different path. We examine your financial situation together in a transparent manner. You both see the same information, understand the calculations, and discuss what makes sense for your family. When questions arise about income or variable compensation, we work through them collaboratively.

This approach is especially valuable with complex income situations. If you have bonuses, stock options, restricted stock units, or equity compensation, determining child support income requires careful analysis. In mediation, we explore these complexities and find solutions that work for both of you and reflect your actual financial reality.

Moving Forward with Confidence

Understanding how New York calculates child support income helps you make informed decisions. You’ll know what to expect, can plan accordingly, and can engage meaningfully during mediation.

Every family’s financial situation is unique. We don’t use one-size-fits-all approaches. Whether you’re dealing with straightforward W-2 income or complex compensation structures, we develop a personalized mediation plan tailored to your specific circumstances.

Choose mediation and keep control of your family’s financial future. Work with a mediator who combines advanced financial training with extensive divorce mediation experience to guide you through these calculations accurately and fairly. Your children deserve parents who move forward cooperatively, and you deserve a process that preserves resources for your family rather than diverting them to legal battles. If you’re ready to take a peaceful path that gives you control over decisions affecting your children’s future, let’s discuss how mediation can help you navigate child support and all the other vital issues in your divorce.

“You may have researched how alimony works in your state. But in my experience, regardless of whether a state offers guidance on how to resolve alimony, often, couples negotiate their own agreement tailored to their unique situation and circumstances.

So you have a lot of flexibility and can maintain a lot of control if you negotiate the terms of alimony out of court with the help of a skilled professional using an alternative dispute resolution process like divorce mediation or a collaborative divorce .

You and your soon-to-be ex-spouse will more likely come to an alimony arrangement that's acceptable to both of you."

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Joe Dillon | Divorce Mediator & Founder

FAQs About New York Child Support

New York calculates child support using the Child Support Standards Act (CSSA), which employs a percentage-based formula applied to the combined parental income. Under Domestic Relations Law Section 240 and Family Court Act Section 413, New York applies specific percentages based on the number of children requiring support: 17% for one child, 25% for two children, 29% for three children, 31% for four children, and 35% for five or more children. These percentages are applied to the parents’ combined income up to a statutory cap, which is $183,000 as of 2025.

The calculation begins with determining each parent’s gross income, which includes wages, salaries, bonuses, commissions, self-employment income, investment returns, rental income, retirement distributions, and many other income sources. From gross income, New York permits certain deductions to arrive at income available for support: primarily FICA taxes (Social Security and Medicare), local income taxes for New York City and Yonkers residents, and child support or maintenance paid for other children or a previous spouse. Once each parent’s adjusted income is calculated, these amounts are combined. The CSSA percentage for the number of children is applied to this combined income to determine the basic support obligation. Each parent’s share is proportional to their percentage of the combined income.

New York’s Self-Support Reserve (SSR) is a critical protection ensuring child support orders don’t reduce the paying parent’s income below a basic subsistence level. As of March 1, 2025, the SSR is $21,128 annually (increased from $20,331 in 2024, a 3.9% inflation adjustment). Courts must ensure that after paying child support, the obligor retains income at least equal to the SSR. If the guideline calculation would drop the paying parent below this threshold, the court must reduce the support amount accordingly.

The SSR serves several important functions. First, it recognizes that parents unable to meet their own basic needs cannot maintain employment and will ultimately be unable to pay any support. Second, it maintains work incentives: without the SSR, low-wage workers might find that working only marginally increases their available income after support. Third, it acknowledges human dignity—even parents who owe support deserve to maintain subsistence-level income. The SSR interacts with another threshold: the Federal Poverty Level, which is $15,650 for a single person in 2025. Parents earning below the poverty level may receive poverty orders of just $25 per month, while those earning between the poverty level and the SSR might receive minimum orders of $50 per month.

New York differs from most states in requiring child support until age 21, not 18. Under New York law, the duty to support generally continues until the child turns 21 or becomes emancipated, whichever occurs first. This extended obligation recognizes that many young adults are still dependent during college years or while establishing themselves in the workforce. Emancipation can occur earlier than age 21 through several paths: if the child marries, enters military service, or becomes self-supporting and living independently.

It’s crucial to understand that support doesn’t automatically stop when the child turns 21—parents must file for modification or termination, or the order will continue in effect and arrears will accrue. New York child support orders typically specify an end date, but enforcement continues beyond that date unless the order is formally terminated. For children with disabilities that prevent self-support, courts can order support to continue indefinitely beyond age 21. The obligation to support until 21 is one of New York’s most distinctive family law features and often comes as a surprise to parents expecting obligations to end at 18.

Beyond the basic child support obligation calculated using CSSA percentages, New York courts routinely order parents to share additional expenses called add-ons or mandatory additional expenses. These include childcare costs necessary for the custodial parent to work or attend school, the children’s health insurance premiums, unreimbursed medical and dental expenses not covered by insurance, and educational expenses. These add-ons are divided between parents proportionally based on their respective incomes—the same proportion used to calculate basic support.

For childcare, courts consider only reasonable expenses actually incurred to allow a parent to work or pursue education that will lead to employment. Health insurance is another major category: if either parent can obtain coverage for the children through employment at reasonable cost, courts will order that parent to maintain the coverage, with both parents sharing the premium cost proportionally. Unreimbursed medical expenses—copays, deductibles, prescription medications, therapy, orthodontics, vision care—are typically split proportionally as well. Some orders specify a minimum threshold before cost-sharing obligations begin. College expenses receive special treatment—while not automatically included in child support, courts have authority to order parents to contribute to post-secondary education costs under certain circumstances.

When parents’ combined income exceeds New York’s statutory cap of $183,000, courts handle child support differently than for income below the cap. For the first $183,000 of combined income, courts must apply the CSSA percentages unless there are grounds for deviation. For income above $183,000, courts have discretion rather than obligation to apply the percentages. Courts typically calculate support in two steps for high-income cases.

First, they apply the CSSA percentages to the first $183,000 and determine each parent’s proportional share. Then, for the amount exceeding $183,000, courts consider multiple factors: the children’s actual needs and lifestyle prior to the parents’ separation, whether the children have special needs requiring additional resources, the parents’ pre-separation standard of living, and the custodial parent’s ability to provide for the children’s needs. Courts may apply the full CSSA percentages to the excess income, apply reduced percentages, or decline to apply the formula at all, instead calculating what additional amount is necessary to meet the children’s documented needs. Courts require detailed financial documentation of the children’s actual expenses when income exceeds the cap.

Yes, New York child support orders can be modified when there has been a substantial change in circumstances. Under New York law, substantial changes include significant increases or decreases in either parent’s income (generally 15% or more is considered significant), involuntary job loss or career changes affecting earning capacity, changes in the children’s needs such as new medical conditions or educational requirements, and modifications to custody arrangements.

New York provides for automatic reviews every two years to account for cost of living adjustments, though these typically result in modest changes. Beyond these automatic reviews, either parent can petition for modification by filing in the court that issued the original order. It’s absolutely critical to understand that child support continues at the current ordered level until a court officially modifies it—you cannot unilaterally reduce payments because your income decreased. Any amounts that accrue while awaiting your modification hearing remain your legal obligation. Courts can only modify support prospectively from the date the modification petition was filed, not retroactively to when circumstances actually changed, so delays in filing can be costly.

Effective March 1, 2025, New York implemented important updates to child support calculations, primarily adjusting the Self-Support Reserve and Federal Poverty Level to account for inflation. The Self-Support Reserve increased from $20,331 to $21,128 annually, a 3.9% increase that ensures the minimum income threshold stays aligned with actual living costs. This adjustment affects low-income parents whose guideline support obligations might otherwise push them below subsistence level—with the higher reserve, more parents may qualify for reduced support amounts.

The Federal Poverty Level also increased from $15,060 to $15,650 for a single person in 2025. This threshold determines eligibility for poverty orders (typically $25 per month for parents earning below the poverty level). The child support worksheets and forms were updated to reflect these changes—Form UD-8(3) and related documents now incorporate the March 1, 2025 figures. What didn’t change in 2025: the CSSA percentages remain the same (17% for one child, 25% for two, etc.), and the combined parental income cap stays at $183,000. For middle and higher-income parents, the changes have minimal effect, but for parents with incomes near the poverty level or Self-Support Reserve, the adjustments can meaningfully impact support calculations.

New York has comprehensive child support enforcement mechanisms administered through the Division of Child Support Services (DCSS) under the Office of Temporary and Disability Assistance. The primary enforcement tool is income withholding: virtually all New York child support orders include automatic Income Withholding Orders (IWO) directing employers to deduct support from paychecks and remit it to the State Disbursement Unit, which then forwards payments to the custodial parent.

When parents fall behind on support, New York employs increasingly serious enforcement measures. The state intercepts federal and state tax refunds. New York can suspend various licenses including driver’s, professional and occupational, and recreational licenses. The state reports delinquent obligors to credit bureaus. For parents with passports, New York can request federal denial or revocation when arrears exceed $2,500. The state can place liens on real property, bank accounts, and other assets. For cases of willful non-payment, courts can hold parents in civil contempt, potentially resulting in incarceration. New York also participates actively in interstate enforcement under UIFSA—parents who move to other states remain subject to New York’s orders. Interest accrues on arrears at 9% per year.

Parents in New York can reach agreements about child support that differ from the CSSA guideline amounts, but these agreements face important limitations and judicial scrutiny. Under New York law, child support is considered a right of the child, not the parents, so courts must approve any agreement to ensure it serves the children’s best interests and meets their needs. When parents agree to support above the CSSA guidelines, courts generally approve these agreements readily.

However, agreements for amounts below the guideline face much stricter scrutiny. To approve a below-guideline agreement, courts must find that the agreed amount adequately meets the children’s needs and that application of the guideline would be unjust or inappropriate based on specific factors outlined in the CSSA statute. Section F of the CSSA lists ten factors courts may consider when deviating from guidelines. Parents seeking court approval must explain why they believe the guideline amount is inappropriate and how the agreed amount serves the children’s interests. Courts can reject these agreements if they find the amount inadequate. Child support cannot be waived entirely except in extraordinary circumstances.

New York’s approach to child support in equal or shared custody situations has evolved through case law, as the CSSA statute doesn’t explicitly address true 50/50 custody arrangements. When parents share physical custody equally or nearly equally, courts face the question of whether and how much child support should be ordered, given that both parents are incurring substantial direct expenses for the children. The general rule remains that the parent with less overnight time is the noncustodial parent who pays support to the custodial parent. In true 50/50 arrangements, the higher-earning parent is typically treated as the noncustodial parent and pays support to the lower-earning parent.

However, New York courts have recognized in cases like Bast v. Rossoff that strict application of the CSSA formula in equal custody situations may produce unjust results. Courts have authority to deviate from guideline amounts when the noncustodial parent demonstrates that expenses incurred during their equal parenting time substantially reduce the costs the custodial parent bears. This requires detailed financial evidence of what each parent spends on the children’s needs. What’s clear is that equal physical custody alone doesn’t eliminate child support obligations—the higher-earning parent will generally pay some support even with equal time, though the amount may be reduced from what strict guideline application would produce.

Lay the groundwork for a peaceful divorce

About the Authors – Divorce Mediators You Can Trust

Equitable Mediation Services is a trusted and nationally recognized provider of divorce mediation, serving couples exclusively in California, New Jersey, Washington, New York, Illinois, and Pennsylvania. Founded in 2008, this husband-and-wife team has successfully guided more than 1,000 couples through the complex divorce process, helping them reach amicable, fair, and thorough agreements that balance each of their interests and prioritizes their children’s well-being. All without involving attorneys if they so choose.

At the heart of Equitable Mediation are Joe Dillon, MBA, and Cheryl Dillon, CPC—two compassionate, experienced professionals committed to helping couples resolve divorce’s financial, emotional, and practical issues peacefully and with dignity.

Photo of mediator Joe Dillon at the center of the Equitable Mediation team, all smiling and poised around a conference table ready to assist. Looking for expert, compassionate divorce support? Call Equitable Mediation at (877) 732-6682 to connect with our dedicated team today.

Joe Dillon, MBA – Divorce Mediator & Negotiation Expert

As a seasoned Divorce Mediator with an MBA in Finance, Joe Dillon specializes in helping clients navigate complex parental and financial issues, including:

  • Physical and legal custody
  • Spousal support (alimony) and child support
  • Equitable distribution and community property division
  • Business ownership
  • Retirement accounts, stock options, and RSUs

Joe’s unique blend of financial acumen, mediation expertise, and personal insight enables him to skillfully guide couples through complex divorce negotiations, reaching fair agreements that safeguard the family’s emotional and financial well-being.

He brings clarity and structure to even the most challenging negotiations, ensuring both parties feel heard, supported, and in control of their outcome. This approach has earned him a reputation as one of the most trusted names in alternative dispute resolution.

Photo of Cheryl Dillon standing with the Equitable Mediation team in a bright conference room, all smiling and ready to guide clients through an amicable divorce process. For compassionate, expert support from Cheryl Dillon and our team, call Equitable Mediation at (877) 732-6682 today.

Cheryl Dillon, CPC – Certified Divorce Coach & Life Transitions Expert

Cheryl Dillon is a Certified Professional Coach (CPC) and the Divorce Coach at Equitable Mediation. She earned a bachelor’s degree in psychology and completed formal training at The Institute for Professional Excellence in Coaching (iPEC) – an internationally recognized leader in the field of coaching education.

Her unique blend of emotional intelligence, coaching expertise, and personal insight enables her to guide individuals through divorce’s emotional complexities compassionately.

Cheryl’s approach fosters improved communication, reduced conflict, and better decision-making, equipping clients to manage divorce’s challenges effectively. Because emotions have a profound impact on shaping the divorce process, its outcomes, and future well-being of all involved.

What We Offer: Flat-Fee, Full-Service Divorce Mediation

Equitable Mediation provides:

  • Full-service divorce mediation with real financial expertise
  • Convenient, online sessions via Zoom
  • Unlimited sessions for one customized flat fee (no hourly billing surprises)
  • Child custody and parenting plan negotiation
  • Spousal support and asset division mediation
  • Divorce coaching and emotional support
  • Free and paid educational courses on the divorce process

Whether clients are facing financial complexities, looking to safeguard their children’s futures, or trying to protect everything they’ve worked hard to build, Equitable Mediation has the expertise to guide them towards the outcomes that matter most to them and their families.

Why Couples Choose Equitable Mediation

  • 98% case resolution rate
  • Trusted by over 1,000 families since 2008
  • Subject-matter experts in the states in which they practice
  • Known for confidential, respectful, and cost-effective processes
  • Recommendations by therapists, financial planners, and former clients

Equitable Mediation Services operates in:

  • California: San Francisco, San Diego, Los Angeles
  • New Jersey: Bridgewater, Morristown, Short Hills
  • Washington: Seattle, Bellevue, Kirkland
  • New York: NYC, Long Island
  • Illinois: Chicago, North Shore
  • Pennsylvania: Philadelphia, Bucks County, Montgomery County, Pittsburgh, Allegheny County

Schedule a Free Info Call to learn if you’re a good candidate for divorce mediation with Joe and Cheryl.

Related Resources

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