Divorce Checklist for Ontario: Everything You Need in 2026

An Ontario divorce requires filing with the Superior Court of Justice, paying $679 in total court fees ($224 application fee + $445 affidavit fee + $10 federal fee), meeting a 12-month residency requirement under Divorce Act, R.S.C. 1985, c. 3 (2nd Supp.), s. 3(1), and proving marriage breakdown through at least one year of separation. The entire process takes 4 to 6 months for uncontested cases and 1 to 3 years for contested matters. This divorce checklist for Ontario covers every document, deadline, and financial step you need to move from separation to a final Divorce Order in 2026.

What Are the Grounds for Divorce in Ontario?

Ontario recognizes three grounds for divorce under Divorce Act, R.S.C. 1985, c. 3 (2nd Supp.), s. 8(2): one year of living separate and apart, adultery by one spouse, or physical or mental cruelty making continued cohabitation intolerable. The one-year separation ground accounts for approximately 95% of all Canadian divorce filings. You do not need your spouse's agreement to file, and you can begin the separation clock while still living in the same residence if you maintain separate lives.

The separation-based ground is the most straightforward path. Under Divorce Act, s. 8(2)(a), the spouses must have lived separate and apart for at least one year immediately preceding the determination of the divorce proceeding. Ontario courts interpret "separate and apart" to mean an end to the marital relationship, not merely physical distance. Courts have held that spouses can be separated under the same roof if they maintain separate bedrooms, finances, and social lives, and if at least one spouse has communicated the intention to end the marriage.

Adultery and cruelty are fault-based grounds under Divorce Act, s. 8(2)(b). These grounds do not require a one-year waiting period, but they require proof. In practice, the evidentiary burden makes fault-based divorces more expensive and time-consuming, typically adding $5,000 to $15,000 in additional legal costs for evidence gathering and contested hearings.

What Is the Residency Requirement for Divorce in Ontario?

At least one spouse must have ordinarily resided in Ontario for a minimum of 12 consecutive months immediately before filing the divorce application, as required by Divorce Act, s. 3(1). The court will dismiss any application that fails this jurisdictional threshold. "Ordinarily resident" means your habitual and customary place of living, and temporary absences for vacation or work do not interrupt the residency clock.

This residency requirement is separate from the one-year separation period. A spouse who moved to Ontario 8 months ago cannot file yet, even if the couple has been separated for 3 years. Conversely, a spouse who has lived in Ontario for 20 years can file immediately after one year of separation, regardless of where the other spouse lives. If both spouses live in different provinces, either can file in the province where they meet the 12-month residency test.

What Documents Do You Need for an Ontario Divorce?

A complete Ontario divorce filing requires Form 8A (Application for Divorce), Form 36 (Affidavit for Divorce), your original marriage certificate or registration, and a completed Central Divorce Registry Form. Missing any document will delay your case by 4 to 8 weeks. This section of the divorce checklist for Ontario details every required document and where to obtain it.

Essential Court Forms

• Form 8A: Application (Divorce) — the primary filing document containing both spouses' information, marriage details, grounds for divorce, and any claims for parenting arrangements, support, or property division
• Form 36: Affidavit for Divorce — a sworn statement confirming the marriage breakdown, separation date, reconciliation attempts, and existing arrangements for children
• Form 35.1: Affidavit in Support of Claim for Parenting Order — required if you are requesting a parenting order under Divorce Act, s. 16.1
• Form 25A: Divorce Order — completed by the applicant for the judge to sign
• Central Divorce Registry Form — required by the federal government under the Central Registry of Divorce Proceedings Fee Order, SOR/86-547 to prevent duplicate proceedings across provinces

Supporting Documents

• Original marriage certificate or marriage registration (a photocopy is not accepted; if your certificate is from outside Canada, you may need an official translation by a certified translator)
• Proof of service (Form 6B: Affidavit of Service) showing your spouse received the application — required unless filing a joint application
• Financial Statement (Form 13 or Form 13.1) if claiming support or property division
• Net Family Property Statement (Form 13B) if claiming equalization under Family Law Act, R.S.O. 1990, c. F.3, s. 5
• Parenting plan or separation agreement, if one exists

Personal Records to Gather

• Both spouses' full legal names, birth dates, and current addresses
• Date and location of marriage
• Exact date of separation
• Names and birth dates of all children of the marriage
• Prior court orders or written agreements relating to support, parenting, or property

How Much Does Divorce Cost in Ontario?

The minimum court filing cost for an Ontario divorce is $679, comprising a $224 application fee for Form 8A, a $445 fee for the Affidavit for Divorce (Form 36), and a mandatory $10 federal fee under the Central Registry of Divorce Proceedings Fee Order. Total divorce costs including legal representation range from $1,500 for a simple uncontested divorce to $50,000 or more for complex contested proceedings. As of January 2026. Verify with your local clerk.

Fee waivers are available under Ontario Regulation 417/95 for individuals receiving Ontario Works benefits, Ontario Disability Support Program (ODSP) benefits, or those who can demonstrate financial hardship. A successful fee waiver eliminates the $669 provincial portion, though the $10 federal fee cannot be waived. Legal Aid Ontario may also cover divorce costs for eligible low-income applicants through certificate-based legal aid.

How Is Property Divided in an Ontario Divorce?

Ontario divides marital property through equalization of Net Family Property (NFP) under Family Law Act, R.S.O. 1990, c. F.3, s. 5(1), where the spouse with the higher NFP pays half the difference to the other spouse. Ontario does not split assets 50/50. Instead, it equalizes the growth in value during the marriage. For example, if Spouse A's NFP is $400,000 and Spouse B's NFP is $100,000, Spouse A owes an equalization payment of $150,000 (half the $300,000 difference).

Net Family Property is calculated as: value of all property owned on the date of separation, minus the value of property owned on the date of marriage, minus excluded property (such as inheritances and gifts received during the marriage and kept separate from marital assets). The matrimonial home receives special treatment under Family Law Act, s. 18: its full value on the date of separation is included in NFP regardless of which spouse holds title, and its value on the date of marriage cannot be deducted.

Property Division Checklist

• Obtain a current valuation of the matrimonial home (professional appraisal costs $300 to $500)
• Value all registered accounts: RRSPs, TFSAs, LIRAs, and workplace pensions as of the separation date
• Obtain a pension valuation report under the Pension Benefits Act, R.S.O. 1990, c. P.8 (reports typically cost $600 to $1,500 from the pension administrator)
• List all debts as of the date of separation and date of marriage
• Identify excluded property under Family Law Act, s. 4(2): inheritances, gifts from third parties, life insurance proceeds, and personal injury awards
• Value any business interests (a Chartered Business Valuator report costs $5,000 to $25,000)
• Prepare a Net Family Property Statement (Form 13B) with supporting documentation

The limitation period for filing an equalization claim is 6 years from the date of separation, or 2 years from the date of divorce, whichever comes first, under Family Law Act, s. 7(3). Missing this deadline permanently bars the claim.

How Does Ontario Determine Parenting Arrangements?

Ontario courts determine parenting arrangements based solely on the best interests of the child under Divorce Act, s. 16(1), considering factors including the child's relationship with each parent, each parent's willingness to support the child's relationship with the other parent, the child's own views and preferences, and any history of family violence. The 2021 amendments to the Divorce Act replaced the terms "custody" and "access" with "decision-making responsibility" and "parenting time," reflecting a child-centred approach.

Under Divorce Act, s. 16(3), the court must consider the following specific factors when determining best interests: the child's needs (given age and stage of development), the nature and strength of the child's relationships with parents and other significant people, each parent's willingness to encourage the child's relationship with the other parent, the child's cultural and linguistic heritage (including Indigenous heritage under Divorce Act, s. 16(3)(f)), and any civil or criminal proceeding relevant to the child's safety.

Parenting Arrangements Checklist

• Draft a proposed parenting schedule (weekly rotation, alternating weeks, or other arrangement)
• Outline decision-making responsibility allocation (sole, joint, or divided by category such as education, health care, and extracurricular activities)
• Document each parent's current involvement in daily caregiving tasks
• Complete Form 35.1: Affidavit in Support of Claim for Parenting Order
• Consider a parenting assessment if disagreements exist ($5,000 to $15,000 for a professional assessor)
• Review the mandatory family information session requirement in your court location
• Prepare a detailed parenting plan addressing holidays, school breaks, transportation, and communication protocols

Ontario encourages parents to attend a Mandatory Information Program (MIP) before proceeding to court. This free session educates parents about the impact of separation on children and alternatives to litigation. Most Ontario court locations require MIP attendance before a case conference can be scheduled.

How Is Support Calculated in Ontario?

Child support in Ontario follows the Federal Child Support Guidelines, with mandatory table amounts based on the paying parent's gross annual income and the number of children. Spousal support follows the Spousal Support Advisory Guidelines (SSAG), calculated at 1.5% to 2.0% of the gross income difference per year of marriage for couples without dependent children. Both obligations are determined using specific formulas, not judicial discretion alone.

Child Support

Under the Federal Child Support Guidelines, SOR/97-175, the paying parent's table obligation is determined by their gross annual income and the number of children. The tables were updated effective October 1, 2025, reflecting current tax rules and cost-of-living adjustments. Parents earning below $16,000 annually now have no table obligation, up from the previous $13,000 threshold. Section 7 expenses (childcare, medical, dental, extracurricular, post-secondary education) are shared proportionally to each parent's income.

Spousal Support

The SSAG provides two formulas for calculating spousal support. The "without child" formula ranges from 1.5% to 2.0% of the gross income difference multiplied by the years of marriage, capped at 37.5% to 50% of the income difference after 25 years. Duration ranges from 0.5 to 1.0 years per year of marriage, becoming indefinite after 20 years or when the Rule of 65 applies (years of marriage plus recipient's age at separation equals or exceeds 65). The "with child" formula uses Individual Net Disposable Income (INDI), targeting 40% to 46% of combined INDI for the recipient.

Support Checklist

• Gather 3 years of income tax returns and Notices of Assessment for both spouses
• Obtain current pay stubs or proof of self-employment income
• Calculate the Federal Child Support Guideline table amount using the Department of Justice look-up tool
• List all Section 7 extraordinary expenses with receipts and documentation
• Complete a Financial Statement (Form 13 or Form 13.1)
• If income exceeds $150,000 annually, calculate the base table amount at $150,000 plus discretionary add-on for income above that threshold under Federal Child Support Guidelines, s. 4

What Is the Step-by-Step Divorce Process in Ontario?

The Ontario divorce process begins with filing Form 8A at the Superior Court of Justice, serving the application on your spouse within 30 days, waiting for the response period, and submitting the divorce materials for judicial review. An uncontested divorce takes 4 to 6 months from filing to receiving the Certificate of Divorce. A contested divorce with trial can take 1 to 3 years or longer.

Step 1: Confirm Eligibility (Before Filing)

• Verify at least one spouse has resided in Ontario for 12 consecutive months
• Confirm at least one year of separation (or gather evidence of adultery or cruelty)
• Obtain your original marriage certificate

Step 2: Prepare and File Application (Week 1 to 2)

• Complete Form 8A: Application (Divorce)
• Pay $224 application fee plus $10 federal fee ($234 total at filing)
• File in the Superior Court of Justice in the municipality where either spouse lives
• Online filing available through the Justice Services Online portal or the Ontario Courts Public Portal (Toronto region)

Step 3: Serve Your Spouse (Week 2 to 4)

• Serve the application on your spouse through a process server, mail with an acknowledgment card, or any person over 18 who is not a party to the case
• Your spouse has 30 days to file an Answer (60 days if served outside Canada)
• Complete Form 6B: Affidavit of Service as proof

Step 4: Wait for Response Period (Week 4 to 8)

• If your spouse files no Answer, the divorce proceeds as uncontested
• If your spouse files an Answer, the divorce becomes contested and enters the case conference stream
• If your spouse files an Answer with a counter-claim, additional issues will be scheduled for resolution

Step 5: File Divorce Materials (Week 8 to 12)

• Complete Form 36: Affidavit for Divorce
• Pay the $445 affidavit fee
• Submit Form 25A: Divorce Order for the judge's signature
• Include all supporting documents: marriage certificate, Affidavit of Service, any prior court orders

Step 6: Judicial Review (Week 12 to 20)

• A judge reviews the materials without a hearing (desk review) in uncontested cases
• If the materials are complete and correct, the judge signs the Divorce Order
• If the judge identifies deficiencies, the court clerk will notify you of required corrections

Step 7: Divorce Takes Effect (31 Days After Order)

• The Divorce Order takes effect on the 31st day after the judge signs it, under Divorce Act, s. 12(1)
• Either party may appeal during this 31-day window
• After 31 days, request the Certificate of Divorce from the court
• You are legally free to remarry only after the Certificate of Divorce is issued

What Financial Steps Should You Take Before Filing?

Before filing for divorce in Ontario, you should open individual bank accounts, establish credit in your own name, inventory all marital assets and debts, and set aside $2,000 to $5,000 for initial legal costs. Financial preparation is the most commonly overlooked item on any divorce checklist for Ontario, and poor preparation can cost you thousands in equalization disputes.

Financial Preparation Checklist

• Open a personal bank account in your name only (do not drain joint accounts; courts penalize unilateral asset dissipation)
• Obtain a copy of your credit report from Equifax or TransUnion Canada
• Inventory all assets: bank accounts, investments, RRSPs, TFSAs, pensions, real estate, vehicles, and valuable personal property
• Document all debts: mortgages, lines of credit, credit cards, car loans, student loans
• Photograph or scan all financial documents: tax returns (3 years minimum), pay stubs, bank statements, mortgage documents, and investment statements
• Value the matrimonial home (request a comparative market analysis from a real estate agent at no cost, or hire an appraiser for $300 to $500)
• Review all insurance policies: life, health, auto, and home insurance beneficiary designations
• Prepare a post-separation budget estimating monthly income and expenses
• Calculate your Net Family Property as of the date of separation and the date of marriage using Form 13B
• Consult a Certified Divorce Financial Analyst (CDFA) for complex estates ($1,500 to $3,000)

How Do You Protect the Matrimonial Home During Divorce?

Both spouses have an equal right to live in the matrimonial home during separation, regardless of whose name is on the title, under Family Law Act, s. 19(1). Neither spouse can sell, mortgage, or encumber the matrimonial home without the other's written consent or a court order under Family Law Act, s. 21(1). This protection is automatic and applies from the date of marriage until divorce.

If one spouse's behaviour makes cohabitation unsafe or intolerable, the other spouse can apply for exclusive possession of the matrimonial home under Family Law Act, s. 24. The court considers the best interests of the children, the financial positions of both spouses, existing written agreements, the availability of affordable alternative housing, and any history of violence. Exclusive possession orders can be temporary or permanent.

Matrimonial Home Checklist

• Do not move out without legal advice (leaving may affect parenting arrangement claims)
• Register a designation of the matrimonial home on title under Family Law Act, s. 20 to prevent unilateral sale
• Do not change the locks unless you have a court order for exclusive possession
• Continue paying your share of mortgage, property tax, and insurance
• If violence or safety concerns exist, contact the police and apply for an exclusive possession order and a restraining order simultaneously

Frequently Asked Questions

Can I file for divorce in Ontario without a lawyer?

Yes. Ontario allows self-represented litigants to file for divorce without a lawyer. Approximately 57% of family law litigants in Ontario are self-represented. The Ontario Court Services website provides free checklists and form guides for simple (uncontested) and joint divorce applications. Total court fees without a lawyer are $679. Online filing through the Justice Services Online portal simplifies the process further.

How long does an uncontested divorce take in Ontario?

An uncontested divorce in Ontario takes 4 to 6 months from filing Form 8A to receiving the Certificate of Divorce, assuming the one-year separation period is already complete. The 30-day response period, judicial desk review (typically 8 to 12 weeks), and 31-day effective period under Divorce Act, s. 12(1) account for most of this timeline. Document errors can add 4 to 8 weeks.

What is the difference between separation and divorce in Ontario?

Separation is the decision to live apart and end the marital relationship. Divorce is the legal dissolution of the marriage by court order. Separation requires no court filing or legal process in Ontario. Divorce requires a court application, $679 in filing fees, and a judge's order. You are legally married until the Divorce Order takes effect 31 days after it is signed. Only a divorce allows you to remarry.

Do I need to prove fault to get a divorce in Ontario?

No. Ontario, governed by the federal Divorce Act, s. 8(2), allows no-fault divorce based on one year of living separate and apart. Fault-based grounds (adultery or cruelty) exist but are rarely used because they require evidence, increase legal costs by $5,000 to $15,000, and do not affect property division or support outcomes. Over 95% of Canadian divorces proceed on the no-fault separation ground.

Can common-law partners use the equalization process in Ontario?

No. Equalization of Net Family Property under Family Law Act, s. 5 applies only to legally married spouses. Common-law partners in Ontario, regardless of relationship length, must pursue property claims through equitable doctrines such as unjust enrichment or constructive trust, established in the Supreme Court of Canada decision Kerr v. Baranow, 2011 SCC 10. Common-law partners do have rights to child support and spousal support under the Family Law Act if they cohabited for at least 3 years or have a child together.

What happens to pensions in an Ontario divorce?

Pensions are included in the Net Family Property calculation and subject to equalization under Family Law Act, s. 4(1). The value of pension growth during the marriage is calculated by obtaining a Family Law Valuation from the pension plan administrator, which costs $600 to $1,500. Under the Pension Benefits Act, R.S.O. 1990, c. P.8, s. 67.2, the non-member spouse can receive their share through an immediate transfer or a deferred settlement when the member spouse retires.

Is mediation required before going to court in Ontario?

Mediation is not mandatory in Ontario, but all parties must attend a Mandatory Information Program (MIP) before the first case conference in most court locations. The MIP is a free 2-hour session covering the impact of separation on children, alternative dispute resolution options, and the court process. Mediation costs $1,500 to $7,000 depending on complexity, but studies show mediated divorces settle 40% to 60% faster than litigated cases and cost significantly less.

Can I date during the one-year separation period?

Yes. Dating during the separation period does not affect your divorce application under Ontario law. The one-year separation clock under Divorce Act, s. 8(2)(a) runs continuously once separation begins, regardless of either spouse's romantic relationships. However, if your spouse files on adultery grounds, evidence of a new relationship could theoretically be relevant, though it would not change property division or support outcomes. Introducing a new partner to children too early may be considered by the court when evaluating parenting arrangements.

What if my spouse refuses to sign the divorce papers?

Your spouse's consent is not required for a divorce in Ontario. If your spouse does not file an Answer within 30 days of being served (60 days if served outside Canada), the divorce proceeds as uncontested by default. If your spouse cannot be located, you can apply to the court for an order for substituted service (service by email, social media, or newspaper publication) under Rule 6 of the Family Law Rules, O. Reg. 114/99. The court will not refuse a divorce solely because one spouse objects.

How do I update my name after an Ontario divorce?

Ontario residents can resume a previous surname by filing a name change application with ServiceOntario for $137, or by requesting the name change in the divorce application itself at no additional fee. The Divorce Order or Certificate of Divorce serves as proof for updating identification documents. Update your driver's licence ($0 at ServiceOntario), health card ($0 with supporting documents), passport ($120 for renewal), SIN card ($0 through Service Canada), and bank accounts (varies by institution). Most name changes take 4 to 8 weeks to process across all documents.