Calgary Answers · Mortgages · Income

Buying Self-Employedor on commission

It is entirely normal here — but it is a documentation exercise, and the tax return that saved you money can cost you a house.

ⓘ  Last updated August 29, 2026.

The short answer

Yes, you can buy. Self-employment and commission income are ordinary in Calgary — consultants, trades, energy-sector contractors, realtors, salespeople, medical professionals in professional corporations. Lenders have been underwriting this for decades.

What changes is the evidence. Salaried income is proved with a letter and a pay stub. Self-employed income is proved with a file. Everything below varies by lender, and none of it is a promise of approval.

How a lender looks at it

Three questions drive the underwriting:

  1. How long has the income existed? Lenders want history. Two years of documented income is the common reference point, though the requirement and the flexibility around it vary by lender and by programme.
  2. Is it stable, and which direction is it moving? Variable income is usually averaged. An average of a strong year and a weak year is not a strong year. A declining trend is often treated more conservatively than the average alone would suggest.
  3. What number can be used? This is the crux, and it is where self-employed buyers are most often surprised.

The write-off trap

If you are a sole proprietor, most lenders qualify you on your net income — what is left after the deductions your accountant worked hard to maximise. Every legitimate expense you wrote off to reduce tax also reduced the income a lender can count.

Some lenders will add back certain non-cash or discretionary deductions, and some will gross up net income by a set factor to approximate a comparable salaried figure. Whether that applies, and by how much, varies by lender and by programme. It is not something to assume.

The conversation to have with your accountant is not "how do I pay less tax this year" but "what do my last two returns look like to a mortgage underwriter". Those two goals point in opposite directions.

Incorporated buyers have a different version of the same problem: if the profit stayed in the company rather than coming out as salary or dividends, the lender may or may not be willing to look through to it. Some will, with the corporate financials. Some will not.

What to have ready

Assemble this before you start looking, not after you have found a house. A file that is already complete is the difference between writing an offer this weekend and watching it go.

  • Two years of complete T1 General returns — the whole return, not just the summary page.
  • The matching Notices of Assessment, and proof that any balance owing has been paid.
  • For an incorporated business: two years of financial statements, and the articles of incorporation.
  • Business licence or registration, and a GST registration where you have one.
  • Recent business bank statements.
  • For commission income: two years of T4 or T4A slips, recent pay statements, and a letter from the employer confirming the arrangement.
  • A paper trail for the down payment — 90 days of history on every account it came from, and a clear record if any of it was a gift. How gifted down payments work.

The programmes that exist

Insured self-employed programmes exist in Canada and are used routinely, including for borrowers whose declared income does not fully reflect the business. Terms, qualifying rules and pricing are lender-specific and change — which is exactly why this belongs with a broker rather than in an article.

Beyond that, there are lenders outside the federally regulated bank space who price differently and document differently. That is a legitimate path, not a failure. It usually involves a larger down payment and a higher cost, and the sensible version of it comes with a plan to move to conventional financing later.

Everything about qualifying is the same for you as for anyone else: the ratios and the stress test still apply. Only the income line is derived differently.

Why this comes up so much in Calgary

A large share of this city's income is variable by design. Bonus-heavy energy roles, consulting through a personal corporation, trades contractors who bill by the job, and a commission-based sales economy are all normal here. So are the cycles — Calgary's income history has real dips in it, and an average taken across a downturn year is a different number than an average taken across two strong ones.

Two practical consequences for a Calgary buyer:

  • Timing. If your first full year of self-employment ends in March, waiting for that Notice of Assessment can change what you qualify for far more than shopping rates will.
  • Sequencing. Do not restructure how you pay yourself in the same year you want to buy. Lenders look backwards, not at the plan.

Still deciding? Ask us the real question.

Most of what we do is help people work out what they actually want before they look at a single house. That conversation costs nothing and it usually saves months.