FAMILY LAW CALCULATORS

Prenuptial Agreement Cost Calculator — Canada

Estimate legal fees for drafting a marriage contract or cohabitation agreement in Canada.

Each round of back-and-forth adds to the total hours billed.
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Both parties need their own independent legal advice.

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Disclaimer: Actual costs depend on complexity, lawyer rates, and negotiation rounds. Both parties require independent legal advice. This estimate is for planning purposes only.

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Frequently Asked Questions

How much does a prenuptial agreement cost in Canada?
A simple prenuptial (marriage contract) for a couple with modest assets typically costs $1,500–$4,000 total (both lawyers combined). Complex agreements involving business interests, real estate, or significant wealth cost $5,000–$15,000+. Both parties must have independent legal advice — each needs their own lawyer — so costs are doubled.
Is a prenuptial agreement enforceable in Canada?
Yes. Marriage contracts are enforceable under provincial family law legislation (e.g., Ontario's Family Law Act, s.52). To be enforceable: both parties must sign voluntarily, with full financial disclosure, after receiving independent legal advice. Agreements signed under duress, with inadequate disclosure, or that are grossly unfair may be set aside.
What can a Canadian marriage contract cover?
A Canadian marriage contract can address: ownership and division of property on separation or death, spousal support (waiving, limiting, or specifying amount), inheritances and gifts, and business ownership. It cannot limit or waive child support, restrict custody rights, or contain provisions that are contrary to public policy.

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