Divorce, custody disputes, and other family law matters carry consequences that follow a person for years — where their children live, how their finances are divided, what their household looks like going forward. At Colgan Law Firm LLC, our Leavenworth County family law attorneys represent clients throughout Leavenworth, Lansing, Basehor, Tonganoxie, and the surrounding communities, all within Kansas’s 1st Judicial District. Family law cases in Leavenworth County are heard at the Leavenworth County Courthouse in Leavenworth, and having counsel who appears regularly before the county’s family court judges can make a meaningful difference in how a case is prepared and presented. Whether you’re facing a contested divorce, a custody modification, or a dispute over a marital agreement, our attorneys work to protect your interests and your family’s stability throughout the process.
Many Leavenworth County families put off putting a plan in place until a crisis forces the issue. A will, a parenting plan, or a clear custody arrangement matters just as much for a young family in Leavenworth as it does for a couple further along in life, and we work with clients at every stage to put practical arrangements in place before they’re needed, not just after.
Divorce
Ending a marriage in Leavenworth County means navigating Kansas’s equitable distribution laws, mandatory financial disclosures, and, in many cases, a parenting plan if children are involved. Whether your divorce is uncontested and can move through the court efficiently, or contested and requires litigation over property, debt, or custody, our attorneys handle every stage of a Leavenworth County divorce, from the initial petition through final decree. We work with clients in Leavenworth and Lansing who need to divide retirement accounts, business interests, and real estate fairly, as well as clients navigating a divorce involving military benefits or out-of-state assets. Kansas requires a 60-day waiting period after filing before a divorce can be finalized, and cases involving disputes over property or custody often take significantly longer.
High-asset divorces present their own challenges, particularly when a spouse owns a business or has income that varies year to year. We often work with forensic accountants and business valuation experts to make sure marital and non-marital property is correctly identified before any division is negotiated, and we seek temporary orders early in a case when needed — covering the family home, temporary support, and interim parenting schedules — so clients aren’t left in limbo while a Leavenworth County divorce works through the court’s docket.
Child Custody
Kansas courts decide child custody — legal custody and residency, under Kansas law — based on the best interests of the child, considering factors like each parent’s relationship with the child, the child’s adjustment to their home, school, and community in Leavenworth County, and each parent’s willingness to cooperate on parenting decisions. We represent parents in Leavenworth and Lansing in both initial custody determinations and post-decree modifications, including cases where a parent wants to relocate outside Leavenworth County or where a change in circumstances — a job change, a new relationship, a safety concern — calls for revisiting an existing parenting plan.
A workable parenting plan usually goes beyond simply stating who has the children on which days. We help clients build out holiday and school-break schedules and decision-making authority for medical and educational choices, and when parents can’t agree, we prepare thoroughly for a hearing, including how a guardian ad litem’s recommendation is likely to factor into the judge’s decision.
Child Support
Child support in Kansas is calculated using the Kansas Child Support Guidelines, which weigh both parents’ incomes, the number of overnights each parent has with the children, and expenses like health insurance and childcare. We help Leavenworth County parents calculate an accurate support obligation, negotiate deviations from the guideline amount when circumstances justify it, and pursue modifications when a parent’s income or a child’s needs have changed substantially since the last order.
Support calculations get more complicated when a parent is self-employed or has recently changed jobs, since Kansas courts can impute income based on earning capacity rather than accepting a reported figure that looks artificially low. We also help clients account for extraordinary expenses — medical needs, agreed-upon private school tuition, or extracurricular costs — that can justify an adjustment above or below the standard guideline number.
Alimony/Spousal Support
Kansas courts have broad discretion to award spousal maintenance based on the length of the marriage, each spouse’s earning capacity, and the standard of living established during the marriage, with awards subject to a maximum duration tied to the length of the marriage. We advise Leavenworth County clients on what a realistic maintenance award looks like in their case, whether they’re likely to receive support or to pay it, and we negotiate terms — including whether support terminates on remarriage or cohabitation — that hold up over time.
Guardianship
Family law guardianship matters in Leavenworth County often arise when a parent is unable to care for a minor child, or when a grandparent or other relative needs legal authority to make decisions for a child. We help clients petition for guardianship, respond to a petition filed by another party, and navigate the interplay between guardianship and existing custody orders, as well as set up standby guardianship arrangements for families who want to plan ahead of a crisis.
Division of Assets
Kansas is an equitable distribution state, meaning marital property is divided fairly, though not necessarily equally, based on each spouse’s contribution to the marriage and future financial needs. In Leavenworth County, that often means untangling jointly owned homes in Leavenworth or Lansing, retirement accounts, and, in some cases, a family business. We work with financial professionals when necessary to accurately value complex assets, and we make sure debt is divided fairly alongside everything else.
Marital Agreements
Prenuptial and postnuptial agreements can simplify a divorce significantly if a marriage doesn’t work out, and they’re increasingly common for Leavenworth County couples who are remarrying, own a business, or are bringing significant assets into a marriage. We draft and review marital agreements to make sure they’re enforceable under Kansas law, and we litigate cases where the validity of an existing agreement is disputed during a divorce.
If you’re facing a divorce, custody dispute, or another family law matter in Leavenworth County, the decisions you make early in the process can affect your case for years to come. Contact Colgan Law Firm LLC today to schedule a consultation with an attorney who understands both Kansas family law and the way cases move through the Leavenworth County Courthouse in Leavenworth.
Frequently Asked Questions
How long does a divorce take in Leavenworth County, Kansas?
Kansas law requires a 60-day waiting period after filing before a divorce can be finalized, but contested divorces involving custody or property disputes in Leavenworth County often take several months to over a year, depending on the court’s schedule and how much the parties disagree.
Does Kansas require mediation before a custody case goes to trial?
Leavenworth County District Court frequently orders parties to attempt mediation before a custody dispute proceeds to trial, though the court can waive this requirement in cases involving domestic violence or other safety concerns.
How is child support calculated in Kansas?
Kansas uses the Kansas Child Support Guidelines, which factor in both parents’ gross incomes, the number of overnights each parent has with the children, and costs like health insurance and work-related childcare.
Can a Leavenworth County custody order be modified later?
Yes. A parent can request a modification if there has been a material change in circumstances since the last order, such as a move, a change in the child’s needs, or a parent’s changed availability.
What happens to the marital home in a Leavenworth County divorce?
The court will either order the home sold and the proceeds divided, or award the home to one spouse with an offsetting award of other assets to the other spouse, depending on what’s equitable given the couple’s full financial picture.


