Key takeaways
- →Probation raises a permanence question, not an income-amount question — the concern is how easily the employer can end the role, not whether the salary is real.
- →Lender approaches to probationary income vary widely, from full acceptance with a solid offer letter to requiring probation to be complete — ask early rather than assume.
- →A usable offer letter needs to state guaranteed pay, hours, permanent status, and a defined probation end date — vague or verbal confirmations are a common, avoidable decline reason.
- →Verifying employment close to the closing date, not just at application, protects against a probationary situation changing mid-file.
A borrower three weeks into a new role, on a standard probationary period, with a strong offer letter in hand isn't a weak file — it's an unfinished one, in the sense that the underwriter needs one more layer of confirmation than a five-year employee would. Treating it as a lower-quality file rather than a differently-documented one is where brokers lose otherwise-strong deals.
Here's what actually drives a lender's comfort level with probationary income, and how to document a file so probation reads as a formality rather than a live risk.
01 · Why does a probationary period raise a flag for underwriters at all?
It comes back to the capacity element of the 5 Cs — not whether the borrower can afford the payment today, but whether the income is reasonably certain to continue. A probationary employee can typically be let go more easily than a confirmed one, which is a real, if usually small, continuance risk an underwriter has to weigh, independent of how strong the salary itself looks.
02 · How differently do lenders treat probation, file to file?
There's no single industry-wide rule here. Some lenders will fully accept a strong, complete offer letter regardless of where the borrower sits in probation; others prefer to wait until probation is complete; others will proceed with conditions — a larger down payment, or a confirmation letter obtained closer to closing. Because the range is genuinely wide, the efficient move is to ask a specific lender's appetite for a probationary file before building the rest of the submission around an assumption.
03 · What should the employment offer letter include to make a probationary file work?
A usable letter states the guaranteed salary or hourly rate, scheduled hours, start date, and confirms the position is permanent rather than temporary or contract — ideally with a clearly stated probation end date. A verbal confirmation, or a letter that's vague on any of these points, is one of the more common and entirely avoidable reasons a file gets bounced back with conditions; our income document red flags article covers this exact failure pattern in more depth.
New job, real qualifying income
Probation isn't a red flag — it's a documentation question.
Treadstone's fulfillment associates know which lenders work comfortably with probationary files and what the offer letter needs to say. Book a call before you submit.
04 · When should employment verification actually happen?
Verification closer to the funding date is meaningfully safer than verification only at application, since a lender may re-confirm employment before releasing funds — and a probationary situation has more room to change between those two points than a confirmed one does. Building in a plan to re-verify near closing, rather than treating the application-stage letter as the final word, avoids a late surprise.
05 · Which situations make probation riskier in an underwriter's eyes?
A career change into an unrelated field carries more uncertainty than a lateral move within the same industry, since there's no track record in the new line of work to lean on. Commission-only roles on probation compound two uncertainties at once — the job itself and the variable pay attached to it — and a contract-to-permanent conversion in progress is its own distinct case, worth documenting with the conversion terms specifically, not just the current contract status.
06 · How should a broker package a probationary-period file?
Attach the complete offer letter, the most recent pay stub if one exists, and a short explanation letter connecting the borrower's prior work history to the new role — same field, comparable responsibilities, a clear reason for the move. That continuity narrative does more to reduce perceived risk than the salary figure alone.
Frequently asked questions
This article is general information to help you scale — not a substitute for tailored advice on your specific business, licensing, or compliance obligations. All figures are illustrative examples for planning purposes; actual costs vary by province, market, and brokerage.