The contribution that did not exist last year

Since 2024, self-employed Canadians outside Quebec do not stop at the familiar base Canada Pension Plan contribution on their business-for-self income. A second additional component, CPP2, applies to earnings between the year's earnings ceiling and a second, higher ceiling -- and because a self-employed contributor pays both the employee and employer share, the CPP2 rate for self-employed income is double the split rate an employee would see.

Both amounts are due when he files his T1 next spring -- not at closing, and not through any deduction at source the way an employee sees on a pay stub. That timing gap is exactly what a first-time crossing of the ceiling can hide from a borrower budgeting his own closing-cost reserve.

Once the income above the ceiling was isolated, sizing this year's new CPP2 bill was straightforward arithmetic.

41.0% left him comfortably inside the file's own ceiling on his $6,858/month income, a payment well within what average mortgage payment data shows most Canadian households already carry -- the mortgage itself was never the hard part of this file. Making sure the new CPP2 bill was reserved separately from his closing funds was.

A submortgage broker licensed under BC's Mortgage Services Act treated the CPP2 crossing as a cash-flow timing question, not an income-qualifying one -- his gross business income already supported the file; the risk was that the new bill would quietly eat into money already earmarked for closing.

First, had the accountant confirm exactly how much of this year's income fell into the CPP2 band once his 2026 T2125 projection was finalized, rather than estimating from the prior year's figures.

Second, separated the $9,077 combined CPP obligation from his closing-cost reserve in writing, so the funds set aside for legal fees, adjustments and moving costs were never treated as available for the tax bill due the following spring.

Third, confirmed with the lender that the down payment and closing funds verification did not need to account for a liability that is not due until the following tax year, keeping the file moving on its own timeline.

The purchase funded at 4.70% with total debt service at 41.0%, and the client closed with his full down payment and closing-cost reserve intact -- the new CPP2 liability tracked separately, due with his return the following spring.

Because this is an uninsured purchase, CMHC's ratio maximums do not apply directly; the 41.0% figure is informational.

• 01CPP2 is new, mandatory, and doubled for the self-employed. Since 2024, earnings between the year's CPP ceiling and the second ceiling owe an additional 8% for a self-employed contributor -- both halves, the same as base CPP.
• 02A first year above the ceiling is easy to miss in a closing-fund plan. The liability is not due at closing and does not appear on any pay stub -- it surfaces on next spring's return, after the file is long funded.
• 03Confirm the CPP2 figure with the accountant, not a rough estimate. The ceiling, the second ceiling and the self-employed rate all change annually; a stale figure understates what is actually owed.
• 04Keep a growing business's new statutory costs separate from its closing-fund verification. A liability due after closing should never be allowed to quietly compete with money already committed to the file.