1. Check your borrower profile

Write down the facts a mortgage professional will need to assess your situation. Include the property type, whether it will be your principal residence or an investment, your purchase timeline, and the names of all co-borrowers.

Also identify details that may affect the documentation conversation, including whether you are a first-time buyer, self-employed, paid by commission or contract, purchasing an investment property, or applying with a partner whose income and debts will be included. If you already own property, note its mortgage balance and ongoing housing obligations.

Complete information matters because a preliminary result is only as reliable as the information behind it. FSRA explains the role of information in the mortgage application process, while CMHC highlights the importance of telling a mortgage professional what they need to assess an application.

2. Check your income and employment records

Organize records showing how you earn and how stable or variable that income may be. The exact package is not universal, but a mortgage professional may commonly request identification, employment details, income statements, tax records, or documents supporting other income sources.

If you are salaried or hourly, be ready to explain your employer, position, length of employment, and compensation structure. Commissioned, contract, and variable income may require additional history. Self-employed borrowers should be prepared to discuss business ownership, tax filings, reported income, and business financial information. Requirements vary by lender.

Do not round or selectively present income to make an application look stronger. Explain how your income is actually received and provide supporting records. CMHC’s mortgage application tips offer further context.

3. Check your debts and credit picture

Prepare a complete list of recurring obligations, including credit cards, lines of credit, vehicle financing, student or personal loans, support obligations where relevant, and payments connected to existing property. Record each balance and required payment if available.

Leaving out a debt can create delays or require reassessment. New borrowing, a large purchase, a job change, or a significant income change can also alter the picture between pre-approval and closing. Tell your mortgage professional about material changes.

Review your credit information for errors and resolve inaccuracies through the appropriate provider. However, no single credit score or debt threshold applies universally to every borrower or lender. The assessment depends on the complete application.

4. Check your down payment and closing funds

Separate money intended for the down payment from other funds needed to complete the purchase. Keep a clear record of where the funds came from and how long they have been available. Statements or transaction records may be requested.

If funds include a gift, transfer, sale proceeds, or money from another account, disclose the source early. Keep records of transfers and make sure each co-borrower’s contribution is documented consistently with the ownership and financing plan.

A down payment does not necessarily account for every purchase-related cost. Discuss the funds needed for your transaction and maintain a separate budget for household expenses and unexpected costs. Exact requirements depend on the property and transaction.

5. Check what you can realistically afford

The maximum amount a lender may consider is not automatically the amount you should spend. Build a monthly budget around the payment you could manage if other expenses rise or your circumstances change.

Review the proposed mortgage payment alongside property costs, utilities, insurance, maintenance, transportation, childcare, savings, and existing debt payments. For an investment property, include the costs and responsibilities associated with operating it.

A mortgage calculator can test payment scenarios, while an affordability calculator can explore a broader purchase range. MiiGrowth offers both tools, but calculators are planning aids rather than approval decisions. For a Mississauga buyer, the most useful local test is your complete household budget, not a generalized affordability figure.

6. Check the mortgage terms, not just the rate

An interest rate matters, but it is only one part of a mortgage offer. Ask about the rate type, term, payment calculation, and whether the amortization matches your plan.

Also ask about:

• Prepayment privileges and limits on additional payments
• How penalties are calculated if you sell, refinance, or break the mortgage early
• Whether the mortgage is portable if you move
• Conditions that must be satisfied before funding
• How variable-rate changes could affect payments or the balance
• Whether the lender and product fit your employment, property, and future plans
• What renewal options may look like when the term ends

These questions are especially relevant if you may move, refinance, consolidate debt, access equity, or change properties. MiiGrowth’s article on mortgage renewal strategies in Mississauga provides additional context. A lower quoted rate may not be the right fit if restrictions or penalties conflict with your plans.

7. Check what happens after the initial screening

Ask which stage you have reached. An instant eligibility check is an initial screening based on information provided. A mortgage pre-approval is a more developed assessment that may indicate an amount, rate, or terms subject to conditions. Final approval and funding require verification of the application and property.

These stages are not interchangeable. An eligibility result or pre-approval does not guarantee approval of a particular property or the advance of funds. The final review may require updated income and asset records, credit information, property valuation, purchase documents, and other conditions.

Before relying on a pre-approval, ask:

• What amount, rate, term, and conditions have been discussed or confirmed?
• Which documents or verifications remain outstanding?
• How long is the result expected to remain current?
• What changes must be reported before closing?
• What happens if the property, price, or closing date changes?

Request next steps in writing and keep your records current. MiiGrowth provides Instant Eligibility tools and support from pre-approval through closing for borrowers in Southern Ontario.

Common questions about mortgage pre-approval

Is mortgage pre-approval the same as final mortgage approval?

No. Pre-approval is an earlier assessment based on the information and conditions known at that stage. Final approval can require further verification of you, the property, and the transaction.

What documents should a self-employed borrower prepare?

Be ready to discuss business ownership, income history, tax reporting, and financial records. The exact requirements vary by lender and application, so ask what is needed for your situation.

Can an online eligibility check replace pre-approval?

No. It can be a useful starting point, but it does not replace a fuller assessment. Confirm documents, conditions, and next steps with a mortgage professional.

What should I ask before accepting a pre-approval?

Ask what was assessed, which conditions remain, how long the result is current, and what changes must be disclosed. Compare the rate with the term, prepayment privileges, penalty calculation, portability, and lender fit.

Conclusion: turn your checklist into a mortgage conversation

The most useful mortgage pre-approval checklist is a readiness check, not just a document list. Confirm your borrower profile, organize income records, disclose debts, document funds, test a realistic budget, compare full terms, and understand what remains after the initial assessment.

Once these checks are complete, you can have a more productive conversation and make decisions with fewer surprises. Keep information accurate, report material changes, and confirm conditions before relying on a pre-approval when making an offer.

MiiGrowth is a Mississauga-based mortgage brand serving Southern Ontario, led by licensed mortgage professional Amarpreet Bhui and backed by The Mortgage Alliance Company of Canada. It offers Instant Eligibility, mortgage and affordability calculators, and support from pre-approval through closing. Visit MiiGrowth to begin your mortgage pre-approval conversation.