If you’re planning to buy a home in Alberta, you’ve probably heard the words “proof of down payment” or “sourcing funds.”
But most buyers don’t realize how specific the rules can be until the paperwork shows up.
As a Lethbridge mortgage broker, one of the biggest delays I see in mortgage approvals is not credit, income, or even the rate. It’s down payment documentation.
This guide will walk you through what lenders and mortgage insurers typically require, and how to avoid scrambling at the last second.
What Does “Sourcing Your Down Payment” Mean?
Sourcing your down payment simply means proving where your money came from.
Lenders want to confirm your down payment is legitimate, available, and not borrowed in a way that creates additional debt or risk.
As an Alberta mortgage broker, I always recommend planning this piece early because down payment sourcing is one of the most common reasons files get delayed right before closing.
Down Payment Rules If You’re Putting Less Than 20% Down (Insured Mortgage)
If you’re buying with less than 20% down, your mortgage will typically be insured through Canada’s mortgage insurers.
In many cases, mortgage insurers require that any personal savings or cash used for the down payment be verified for 90 days.
That means we may need to provide:
- 90 days of bank statements
- Proof the money has been in your account consistently
- Documentation that explains any large deposits
A Common Problem: Moving Money Between Accounts
If you’re moving money around between accounts constantly, the lender may ask for statements from every account involved.
This can turn into a full paper trail of:
- Chequing account statements
- Savings account statements
- Joint account statements
- Online bank statements
- Credit union accounts
- Any accounts used in the transfers
If you’re “consolidating everything” at the last second, the mortgage insurer may need more paperwork than you expect.
The easier approach is to build and hold your down payment funds early, so the sourcing is clean and obvious.
What If Your Down Payment Is Coming From Investments?
Investment accounts can absolutely be used for down payment funds, but you may still need to prove:
- The value of the investment account
- The withdrawal or redemption
- The funds landing into your bank account
- The timeline of the transfer
This usually means providing investment statements, plus bank statements showing the deposit.
If you’re pulling money from investments close to closing, it’s smart to plan early because transfers can take time.
Down Payment Rules If You’re Putting 20% Down or More (Conventional Mortgage)
If you’re putting 20% down or more, you’re typically in conventional mortgage territory.
In many cases, lenders only require 30 days of history for down payment funds in your account.
That can mean fewer statements and fewer questions, but it still needs to be clear and easy to verify.
Even with 20% down, it’s still important to avoid last-minute chaos with transfers, cash deposits, or missing paper trails.
Using Gifted Funds for Your Down Payment (Gift Letter Rules)
Gifted down payment funds are very common for first-time buyers in Alberta.
In most cases, lenders will require:
- A signed gift letter from the person giving the funds
- Proof of deposit into your account
The gift letter confirms the funds are a true gift and do not need to be repaid.
This is important because borrowed down payment funds can create a risk issue for lenders.
Using the Sale of a Vehicle or Asset for Down Payment
If you’re selling a car, equipment, or another asset to create your down payment, lenders will typically ask for documentation proving where that money came from.
Common examples include:
- Bill of sale for the vehicle
- Purchase agreement or sale documentation
- Proof of funds being deposited into your account
This keeps everything clean and helps prevent delays.
The Best Way to Avoid Down Payment Stress
If I could give one piece of advice to every buyer, it’s this:
Plan your down payment early, and keep it simple.
Here’s the strategy that makes mortgage approvals smoother:
- Start saving early
- Avoid unnecessary transfers between accounts
- Keep your down payment in one primary account when possible
- Avoid unexplained large deposits
- If you expect a gift, get it documented properly
- If you’re selling an asset, keep your bill of sale
When down payment sourcing is clear, the mortgage approval process is smoother, faster, and less stressful.
Need Help Planning Your Down Payment? (Lethbridge Mortgage Broker)
If you’re buying in Lethbridge or anywhere in Alberta and want to make sure your down payment documentation is set up properly before you write an offer, I can help.
I’ll review your down payment plan, show you exactly what documents you’ll need, and help you avoid last-minute lender conditions.
Dillan Kelly | Lethbridge Mortgage Broker
Dominion Lending Centres Mortgage Excellence
📞 403-894-5818
🌐 dkmortgageteam.ca



