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Child Support Attorney Serving Waukesha County and Surrounding Communities


Guidance for Families in Brookfield and Southeastern Wisconsin

When parents separate or divorce, one of the most important issues to address is how children will be financially supported moving forward. Wisconsin child support laws are designed to ensure that children continue to receive the financial care they need, regardless of changes within the family structure. For many parents, however, navigating child support obligations, calculations, and court procedures can feel overwhelming, especially during an already emotional time.

At The Law Offices of Mark S. Knutson, families throughout Brookfield and Southeastern Wisconsin receive thoughtful legal guidance grounded in compassion, dignity, and respect. Attorney Mark S. Knutson has spent decades helping individuals understand Wisconsin family law while working toward fair and practical outcomes for parents and children alike.

Understanding Child Support in Wisconsin

Child support is a court-ordered financial contribution intended to help cover a child’s basic living expenses. In Wisconsin, support is generally paid by one parent to the other to help provide for necessities such as:

  • Housing
  • Food
  • Clothing
  • Medical care
  • Educational expenses
  • Childcare costs
  • Transportation
  • Extracurricular activities

Wisconsin courts focus heavily on the best interests of the child when determining child support obligations. While state guidelines provide a framework for calculating support, every family situation is different, and courts may consider a variety of factors when making decisions.

How Wisconsin Calculates Child Support

Wisconsin primarily uses an income percentage model when calculating child support. Under this system, support obligations are generally based on the paying parent’s gross income and the number of children involved.

The standard percentage guidelines in Wisconsin are typically:

  • 17% of gross income for one child
  • 25% for two children
  • 29% for three children
  • 31% for four children
  • 34% for five or more children

However, these guidelines aren’t always applied exactly as written. Courts may adjust support obligations depending on the parenting arrangement, the financial circumstances of each parent, and other relevant factors.

For example, Wisconsin may use different formulas in cases involving:

  • Shared placement arrangements
  • Split placement situations
  • High-income parents
  • Low-income parents
  • Serial-family obligations involving children from multiple relationships

Because child support calculations can become complex quickly, many parents benefit from experienced legal guidance to ensure that income is properly calculated and all relevant financial considerations are addressed.

What Counts as Income for Child Support?

One of the most common questions parents have involves what income is included in a support calculation. Wisconsin law broadly defines income for child support purposes.

Income may include:

  • Wages and salary
  • Bonuses and commissions
  • Self-employment income
  • Rental income
  • Overtime pay
  • Retirement benefits
  • Disability benefits
  • Unemployment compensation
  • Investment income

For self-employed individuals or business owners, calculating income can become particularly complicated. Courts may examine business records, expenses, deductions, and earning capacity when determining a parent’s actual financial resources.

In some cases, a court may also attribute income to a parent if it believes that parent is voluntarily unemployed or underemployed.

Shared Placement and Child Support

Many Wisconsin families today share parenting responsibilities more equally than in the past. When parents have a shared placement arrangement, child support calculations may differ significantly from the standard percentage guidelines.

In Wisconsin, shared placement generally means that each parent has the child for at least 25% of the overnights during the year. Courts may use a specialized formula that considers:

  • The amount of time the child spends with each parent
  • Each parent’s income
  • The costs associated with maintaining two households for the child

Even in shared placement cases, one parent may still owe support to the other. The purpose is to help ensure that the child experiences financial stability in both homes.

Child Support and Divorce

Child support is often addressed as part of a larger divorce proceeding. Wisconsin courts may evaluate several related family law issues at the same time, including:

  • Legal custody
  • Physical placement
  • Property division
  • Maintenance (alimony)
  • Health insurance coverage
  • Childcare expenses

Because these issues frequently overlap, decisions made in one area can affect another. For example, a parenting placement schedule may directly influence child support calculations.

Working with an attorney who understands the broader picture of Wisconsin family law can help parents develop more comprehensive and workable long-term solutions.

Paternity and Child Support

In cases involving unmarried parents, establishing paternity is often a necessary first step before child support orders can be entered.

Paternity may be established through:

  • A voluntary acknowledgment of paternity
  • Genetic testing
  • A court order

Once paternity is legally established, the court can address child support, custody, placement, and other parental rights and responsibilities.

Paternity cases can carry significant emotional and financial implications for everyone involved. Having clear legal guidance can help parents move forward with greater confidence and clarity.

Modifying Child Support Orders

Life circumstances can change substantially after a child support order is entered. Wisconsin law allows child support orders to be modified under certain conditions.

Common reasons for modification include:

  • Job loss or income reduction
  • Significant increase in income
  • Changes in placement arrangements
  • Medical issues or disability
  • Increased needs of the child
  • Changes in childcare expenses

In many cases, a parent seeking modification must show a substantial change in circumstances. Wisconsin also permits review of child support orders after a certain amount of time has passed.

It’s important to understand that support obligations generally remain enforceable unless and until a court formally modifies the order. Informal agreements between parents may not be legally binding.

Enforcement of Child Support in Wisconsin

When child support payments are not made as ordered, Wisconsin has several enforcement mechanisms available.

Possible enforcement actions may include:

  • Wage garnishment
  • Tax refund interception
  • Driver’s license suspension
  • Liens against property
  • Contempt of court proceedings
  • Interest and penalties on unpaid support

At the same time, not every missed payment is due to bad faith or malice. Some parents experience genuine financial hardship that affects their ability to comply with an order.

Addressing support concerns proactively through the court system is often the best way to avoid more serious legal consequences later.

Child Support and College Expenses

Parents sometimes assume that child support automatically continues through college. In Wisconsin, however, child support generally ends when a child turns 18 or graduates from high school, whichever occurs later, but usually no later than age 19.

Parents may voluntarily agree to contribute toward higher education expenses, but courts don’t automatically require college tuition support in every case.

Families considering long-term educational planning may wish to address these issues during divorce negotiations or settlement discussions.

How Mediation Can Help Resolve Child Support Disputes

Not every child support issue needs to become a lengthy courtroom battle. In many situations, mediation can help parents reach practical agreements while reducing conflict and stress.

As a Certified Mediator for Family Law and Divorce, Mark S. Knutson understands the value of helping families work toward constructive solutions whenever possible.

Mediation may help parents:

  • Improve communication
  • Reduce litigation costs
  • Maintain greater control over outcomes
  • Create more customized parenting solutions
  • Minimize stress on children

Of course, when a fair agreement can’t be reached outside of court, experienced trial advocacy may still be necessary.

Experienced Family Law Representation in Brookfield and Southeastern Wisconsin

For more than four decades, Mark S. Knutson has represented individuals and families throughout Brookfield, Waukesha County, and Southeastern Wisconsin in divorce and family law matters.

A native of nearby New Berlin, Attorney Knutson has deep roots in the local community and extensive experience handling matters involving:

  • Child support
  • Divorce
  • Custody and placement
  • Paternity
  • Maintenance and alimony
  • Legal separation
  • Post-judgment modifications
  • Collaborative divorce
  • Restraining orders

His approach emphasizes empathy, professionalism, and practical problem-solving while recognizing the emotional realities many families face during difficult transitions.

In addition to his extensive litigation experience, Mark serves as a Certified Mediator and has remained active in numerous professional and community organizations throughout his career.

Helping Families Move Forward with Dignity and Respect

Child support issues can affect nearly every aspect of a family’s future. Whether you’re seeking support, responding to a support request, modifying an existing order, or navigating child support as part of a divorce or paternity case, having knowledgeable legal guidance can make a meaningful difference.

The Law Offices of Mark S. Knutson continues to serve families throughout Brookfield and Southeastern Wisconsin with an approach centered on compassion, dignity, and respect.

Families facing child support concerns often benefit from clear information, thoughtful planning, and experienced advocacy focused on protecting both parental rights and the well-being of children.