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Our Chicago office serves clients throughout Chicago and nearby communities.
Davis & Associates helps families across Illinois
Illinois Family Law Attorneys
Davis & Associates helps families across Illinois with divorce, child custody, child support, spousal support, property division, and other family law matters. Our team serves clients throughout Illinois.
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Browse common service areas by office location.
Family Law Service Areas in Illinois
Our Illinois offices give you an easy way to connect with local family law support when you need it. Each location is rooted in its surrounding communities and nearby areas, so it is easy to see where we are, how to reach us, and which parts of Illinois each office serves.
Dupage County
Our DuPage County office serves clients throughout DuPage County and nearby communities.
Lake County
Our Lake County office serves clients throughout Lake County and nearby communities.
Illinois Practice Areas
Family Law Services Across Illinois
Family Law Attorneys Serving Illinois
What to Know About Family Law in Illinois
Life doesn’t slow down when family circumstances change. And in Illinois, family law sets the path forward when things feel uncertain.
These cases can shape everything from parenting arrangements to financial stability and long-term planning. Whether you’re thinking about separation, sorting out responsibilities for your children, or trying to understand your rights, it helps to know how Illinois approaches these situations so you’re not navigating them in the dark.
The sections below cover the main areas people typically run into in Illinois family law matters, including divorce, parenting time, child support, and spousal maintenance.
Divorce Requirements in Illinois
In Illinois, divorce cases start in the circuit court and begin with one spouse filing a petition in the county where either person lives. Before anything else moves forward, at least one spouse must have lived in Illinois for 90 days.
Illinois uses a no-fault system. This keeps the focus off blame and on whether the marriage has reached a point where it simply can’t continue. In most cases, that standard is described as “irreconcilable differences.”
Unlike some states, Illinois does not require a separation period before filing. With that, the legal process can begin while spouses are still living together or shortly after a separation.
Once the case is filed, the other spouse has to be formally served and brought into the process. From there, the case usually moves into exchanging financial information, working through agreements if possible, and using mediation or court hearings when issues like parenting time, support, or property division are contested.
Helpful next step: Learn more about Divorce.
Custody and Parental Responsibility
In Illinois, custody is not treated as a single concept. The courts break it into two parts: who makes the decisions for the child and how the child’s time is shared between parents.
Decision-making authority, called the allocation of parental responsibilities, covers the bigger life choices, like schooling, medical care, and other major aspects of a child’s upbringing. On the other hand, parenting time is the scheduling aspect. This outlines when the child is with each parent and how day-to-day life is structured between the two households.
Illinois judges do not start with a default schedule or assume equal time. Instead, they look closely at what arrangement best supports the child’s stability, routine, and overall well-being in that specific family situation.
Helpful next step: Learn more about Child Custody.
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Child Support
In Illinois, child support is calculated using an income-sharing approach that considers both parents’ combined net income to estimate what the child would have received if the household were still intact. Each parent is then assigned a share of that obligation based on their percentage of the total income.
Unlike a simple fixed percentage model, Illinois also adjusts support based on parenting time. The number of overnight stays with each parent can reduce or shift the final support amount. In turn, that makes the parenting schedule very important.
The court also considers real, ongoing costs connected to raising the child, including health insurance, daycare, uninsured medical expenses, and certain educational needs. Since these calculations depend on precise financial data, both parents are required to submit detailed income and expense disclosures during the case.
Helpful next step: Learn more about Child Support.
Spousal Support or Alimony
Illinois spousal support is officially called maintenance. It may be awarded when one spouse needs financial assistance after divorce and the other spouse has the ability to contribute.
Illinois courts do not treat maintenance as automatic. The length of the marriage plays a major role in Illinois. In many cases, shorter marriages may result in little to no maintenance, while longer marriages are more likely to involve ongoing support.
Illinois law recognizes different types of maintenance, including temporary support during the divorce process, rehabilitative support to help a spouse become self-sufficient, and longer-term durational support in certain cases.
Helpful next step: Learn more about Alimony.
Finding the Right Legal Help
How Davis & Associates Helps Illinois Families
Before anything else, we focus on your situation: what’s happening, where you are, and what brought you here. Whether it involves ending a marriage, sorting out parenting time, financial concerns, or something that can’t wait, we start by getting a real understanding of what you’re dealing with in Illinois.
Once we have the basics, we help connect you with the team that makes the most sense for your case and your location. Different areas in Illinois can mean different courts and procedures, so this step is about making sure you’re not left guessing where to begin.
From there, we see how Illinois family law fits your specific circumstances. That could involve parenting arrangements, support obligations, financial division, court filings, or short-term orders meant to stabilize things while the case is moving forward.
Once everything is clearer, Davis & Associates helps you narrow down what to do next and how to move forward in a practical way. The focus is on giving you direction that actually fits your situation, so you’re not stuck trying to figure it out on your own in Illinois.
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Frequently Asked Questions
Family Law in Illinois
You will need to meet a short residency requirement first. In Illinois, at least one spouse must have lived in the state for 90 days before filing in circuit court.
No, Illinois doesn’t require fault to end a marriage. Most cases move forward because the relationship has broken down and cannot be repaired.
Illinois focuses on decision-making responsibilities and parenting time. Judges consider which arrangement best supports the child’s stability and well-being.
Courts use both parents’ incomes under an income shares model. The final amount also considers parenting time and shared expenses like healthcare and childcare.
Spousal support is known as maintenance. It is based on factors like income differences, marriage length, and whether financial support is needed after divorce.
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