Family Law

Navigating child custody and support in Ontario

Caleesis TeleshFounder & Principal Lawyer
March 3, 20252 min readUpdated April 28, 2025
Three wooden figures of a family beside a judge's gavel on a courtroom desk

Child custody and support are significant aspects of family law in Ontario. When parents separate or divorce, the court’s primary concern is the child’s well-being. Understanding your legal rights and responsibilities regarding custody and support can help you make informed decisions that serve the best interests of your child.

Types of Child Custody in Ontario

In Ontario, custody refers to a parent’s authority to make key decisions about their child’s upbringing, including education, healthcare, and religious practices. Custody arrangements generally fall into the following categories:

  • Sole Custody: One parent has full decision-making authority, while the other may have visitation rights.
  • Joint Custody: Both parents share decision-making responsibilities, requiring cooperation on significant matters.
  • Shared Custody: The child spends at least 40% of their time with each parent, which can impact child support obligations.
  • Split Custody: In families with multiple children, one or more children live with one parent while the others reside with the other parent.

Understanding Child Support Obligations

Child support in Ontario is determined according to the Federal Child Support Guidelines, which consider factors like income, the number of children, and parenting time. The parent with primary custody usually receives support payments to assist with the child’s daily needs, including housing, food, education, and healthcare.

  • Basic Child Support: Covers essential living expenses and is based on the paying parent’s income.
  • Special or Extraordinary Expenses: Includes costs beyond daily living, such as childcare, medical treatments, and extracurricular activities, which parents may share proportionally.

How Courts Determine Custody and Support

Ontario courts prioritize the child’s best interests when making custody and support decisions. Considerations include:

  • The child’s emotional, physical, and psychological well-being
  • The ability of each parent to offer a stable home environment.
  • The child’s relationship with each parent and extended family
  • Any history of abuse or neglect

Modifying Custody and Support Agreements

As circumstances change, custody and support agreements may need to be revised. A parent can request a modification if there is a significant change in financial status, relocation, or the child’s specific needs.

Navigating child custody and support matters can be complex, and professional legal guidance can help simplify the process. A family lawyer can assist in understanding your rights, negotiating fair arrangements, and ensuring the best outcome for your child.

If you need legal support with child custody or child support in Ontario, Telesh Law Firm Professional Corp is here to provide expert guidance tailored to your situation.

  • For families
  • Ontario courts

This article is general information, not legal advice, and does not create a solicitor-client relationship. It is current as at its publication date and is not revised as the law changes. For advice on your specific situation, book a consultation or call 416-639-0887.

Caleesis Telesh, Founder & Principal Lawyer
Written by
Caleesis Telesh
Founder & Principal Lawyer

LL.B.B.A., York UniversityMember, Law Society of Ontario

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