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Treadstone Learn · Courses — Early Access

The Canadian Mortgage
Underwriting Course.

A practical, broker-side training on how Canadian mortgage files actually get approved — income, ratios, the B-20 stress test, documents, lender fit, and AI underwriting. The full course is in production now. Join the waitlist and you're first through the door.

Built for Canadian rules Broker-side and practical Free to join the waitlist
Course Outline
Canadian Mortgage Underwriting
Planned
01 How lender underwriters think
02 Income & documents by employment type
03 GDS/TDS ratios & the B-20 stress test
04 Document packages by deal type
05 Lender fit & common decline reasons
06 AI underwriting in the modern workflow
In production
waitlist members get in first
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Planned curriculum — the final module list may evolve before launch.

What you'll learn

From file intake to first-time approvals.

Most underwriting training in Canada is written for lenders. This course is written for the broker side of the desk: how to read a file the way the lender's underwriter will, and how to package it so it passes the first time. Here's the planned curriculum.

01

How lender underwriters think

The 5 Cs in Canadian practice, what OSFI Guideline B-20 expects of federally regulated lenders, and why clean files move faster than good deals.

02

Income & documents by employment type

Salaried, hourly, commissioned, self-employed, and rental income — what counts, what doesn't, and the document set that proves each one.

03

Ratios & the stress test

GDS and TDS from first principles, insured guideline caps, and qualifying at the greater of contract rate + 2% or 5.25% — worked on real-shaped numbers.

04

Document packages by deal type

Purchases, refinances, switches, rentals, and new-to-Canada files — the full checklist for each, and the gaps that trigger conditions.

05

Lender fit & decline reasons

Matching the file to the lender before submission, reading rate-sheet fine print, and the most common Canadian decline reasons — pre-empted.

06

AI underwriting in the workflow

Where AI fits a modern brokerage: pre-underwriting every file in minutes, what to check yourself, and how tools like Engage's AI underwriting change the economics.

Planned curriculum — module details may be refined before launch. Waitlist members see the final syllabus first.

Who it's for

Built for the broker side of the desk.

New mortgage agents

Licensing gets you in the door — Ontario's Level 1 and Level 2 agent classes, and their equivalents across Canada, teach the rules. This course teaches the files: the underwriting instinct that usually takes years of bounced submissions to build.

Producing brokers & teams

With roughly 1.15 million Canadian mortgages renewing in 2026, capacity is the constraint. Brokers who pre-underwrite their own files submit cleaner, get faster approvals, and win more of the wave — without adding headcount.

Ops & fulfillment staff

Processors and fulfillment specialists who prepare files for lenders — the people who turn a broker's approval into a funded deal. Train the whole desk to read files like an underwriter.

Can't wait?

Start with the free underwriting resources.

Browse the Learn hub
The course is in production

Join the course waitlist.

Be first to know when the Canadian Mortgage Underwriting Course opens — waitlist members get early access before the broader public. No spam, ever.

No spam — just launch updates and your early-access invite.

FAQ

Questions about the course.

When does the course launch?

The full course is in production now. There's no public launch date yet — the waitlist is the first place we announce it, and waitlist members get early access before the broader public.

What will the course cover?

The planned curriculum covers broker-side Canadian underwriting end to end: how lender underwriters think, income documentation by employment type, GDS/TDS ratios, the OSFI B-20 stress test, document packages by deal type, lender fit and common decline reasons, and how AI-assisted underwriting fits a modern brokerage workflow. The final module list may evolve before launch.

Who is the course for?

Canadian mortgage professionals: new mortgage agents building their underwriting foundations, established brokers and teams who want files that pass the first time, and brokerage operations staff — fulfillment specialists and processors — who prepare files for lenders.

Is it specific to Canadian mortgage rules?

Yes. Everything is built around Canadian underwriting — OSFI Guideline B-20, GDS/TDS guidelines, CMHC/Sagen/Canada Guaranty insured rules, and the provincial regulatory landscape (FSRA, BCFSA, RECA, AMF) — not U.S. mortgage practice.

Does joining the waitlist cost anything?

No. The waitlist is free and there's no commitment — you'll get launch updates and an early-access invite, nothing else.

Learn to underwrite like the lender.

Join the Canadian Mortgage Underwriting Course waitlist — early access, the final syllabus first, and launch updates. Nothing else.

Pre-launch · Free to join · No spam · Curriculum shown is planned and may evolve