Part 7 · Legal, Consumer-Protection and Reference Manual

Chapter 57Underwriting Decision Trees

6 min read1,310 words Full contents

How to use the trees

Each tree is a screening framework, not an automated approval engine.

At every endpoint, return to the complete six-part framework:

1. Borrower

2. Property

3. Transaction

4. Documentation and verification

5. Lender/insurer policy

6. Exit or repayment strategy where applicable

Decision Tree 1 — Residential approval

What is the transaction?

↓ Purchase / renewal / switch / refinance / equity takeout

Is identity, income, credit, down payment/equity and property information complete?

  • No → Collect and verify before selecting lender
  • Yes → Continue

Does the borrower meet the applicable lender and insurer income, credit and debt-service framework?

  • Yes → Test property and transaction
  • No → Identify exact policy failure

Is the property acceptable and value supported?

  • No → Different property, specialist lender, lower LTV or corrective work
  • Yes → Continue

Is the transaction insured, insurable or uninsured?

A-lender policy fit?

  • Yes → Conditional approval and fulfilment
  • No → Credit union/specialty institutional review

Alternative-lender fit with supportable income and exit?

  • Yes → Compare cost and exit with other options
  • No → Continue

Private lending has sufficient equity, repayment capacity and credible exit?

  • Yes → Suitability, disclosure, legal review and exit milestones
  • No → Reduce transaction, delay, sell or pursue non-mortgage solution

Decision Tree 2 — Self-employed borrower

Business form?

↓ Sole proprietor / partnership / corporation / professional corporation

Two-year tax income supports request?

  • Yes → Standard institutional analysis
  • No → Continue

Are deductions, dividends, salary and corporate NIAT supportable under a named lender policy?

  • Yes → Institutional specialty/self-employed program
  • No → Continue

Do bank statements and business reasonability support stated income?

  • Yes → Alternative program; calculate fee and exit
  • No → Continue

Is the weakness temporary and equity sufficient for private financing?

  • Yes → Private bridge with dated documentation plan
  • No → Reduce loan, improve records, wait or sell

Decision Tree 3 — New Canadian

Legal status and purchase-law eligibility confirmed?

  • No → Immigration/legal review before financing
  • Yes → Continue

Canadian income and credit sufficient?

  • Yes → Standard or insured newcomer pathway
  • No → Continue

International credit, foreign assets and continuing income verifiable?

  • Yes → Named newcomer/foreign-income/net-worth program
  • No → Continue

Professional projected-income program genuinely applies?

  • Yes → Named-lender review
  • No → Continue

Temporary documentation gap with strong equity and clear Canadian-history exit?

  • Yes → Alternative/private bridge
  • No → Delay or reduce transaction

Decision Tree 4 — Private mortgage

Why is institutional financing unavailable?

↓ Income / credit / property / timing / arrears / legal / construction

Is the problem temporary and identifiable?

  • No → Private mortgage may postpone rather than solve problem
  • Yes → Continue

Accepted value and total LTV support requested net funds?

  • No → Reduce request, add security or consider sale
  • Yes → Continue

Can borrower carry interest, taxes, insurance and property costs?

  • No → Structure is unsuitable without another verified repayment source
  • Yes → Continue

Primary exit independently testable?

  • No → Do not rely on hope or appreciation
  • Yes → Continue

Contingency exit and trigger date?

  • No → Build one before closing
  • Yes → Compare all-in cost, term and consequences

Decision Tree 5 — Commercial approval

Property and purpose classified?

↓ Owner occupied / investment / mixed use / multi-unit / construction / bridge

Historical and stabilized NOI established?

  • No → Obtain rent roll, leases and statements
  • Yes → Continue

DCR supports requested debt?

  • No → Lower loan, more equity, improve NOI or use transitional structure
  • Yes → Continue

Appraisal and LTV support request?

  • No → Lower loan or reassess value assumptions
  • Yes → Continue

Sponsor experience, liquidity and guarantees acceptable?

  • No → Add equity, management or support
  • Yes → Continue

Environmental, title, zoning and lease risk acceptable?

  • No → Cure, insure, remediate or decline
  • Yes → Credit approval, legal due diligence and covenants

Decision Tree 6 — Construction financing

Land controlled and title acceptable?

Approved plans, permits and complete budget?

  • No → Not ready for construction underwriting
  • Yes → Continue

Borrower equity invested and contingency adequate?

  • No → Increase equity or reduce scope
  • Yes → Continue

Builder/owner-builder has experience and capacity?

  • No → Qualified builder/project manager or higher-risk lender
  • Yes → Continue

As-completed value and takeout support project?

  • No → Redesign capital stack or project
  • Yes → Continue

Draw control, inspections, holdbacks and cost-overrun protocol established?

  • No → Complete controls
  • Yes → Construction approval and monitored advances

Decision Tree 7 — Mortgage default

Missed payment, demand or formal notice?

Ontario lawyer has confirmed legal stage and deadline?

  • No → Immediate legal review
  • Yes → Continue

Can arrears be cured and existing mortgage reinstated?

  • Yes → Compare cure funding with full payout
  • No → Continue

Institutional refinance available within deadline?

  • Yes → Fulfil urgently
  • No → Continue

Private bridge has sufficient equity and credible exit?

  • Yes → Compare with voluntary sale
  • No → Voluntary sale/legal strategy

Decision Tree 8 — Estate and death

Who died: owner, borrower, guarantor or combination?

How is title held?

↓ Joint tenancy / tenancy in common / sole / trust / corporation

Who has legal authority?

  • Surviving owner
  • Estate trustee
  • Attorney authority generally ends at death

Mortgage current and property insured?

  • No → Stabilize immediately
  • Yes → Continue

Insurance benefit available?

Retain, assume/refinance or sell?

Lender approval and estate legal process

Decision Tree 9 — Divorce and separation

Sell or one spouse retains property?

Sell → Legal authority, listing, payouts and distribution

Retain → Continue

Buyout and support obligations legally documented?

  • No → Family-law work first
  • Yes → Continue

Remaining spouse qualifies for required mortgage?

  • Yes → Refinance/equity-buyout and title transfer
  • No → Continue

Temporary qualification gap with credible exit?

  • Yes → Compare B/private bridge with sale
  • No → Retaining property may be unsustainable

Decision Tree 10 — Commercial refinance

Purpose: rate, maturity, equity, partner buyout, capex or private exit?

Current NOI and rent roll support debt?

  • No → Stabilization or lower loan
  • Yes → Continue

Appraised value and cap rate support LTV?

  • No → More equity or alternative structure
  • Yes → Continue

Existing penalties, guarantees and discharge terms known?

  • No → Obtain payout/legal review
  • Yes → Continue

Environmental and capital needs current?

  • No → Complete due diligence
  • Yes → Institutional takeout or commercial bridge

Decision Tree 11 — Mixed-use property

Residential and commercial uses under one title

Unit count, floor-area share, value share and income share established?

  • No → Appraisal and legal-use review
  • Yes → Continue

Residential/CMHC program expressly fits?

  • Yes → Apply under named program
  • No → Continue

Commercial/alternative lender accepts use, tenant and location?

  • Yes → Commercial or alternative underwriting
  • No → Private transitional financing only with corrective exit

Decision Tree 12 — Agricultural or rural property

Primary use: residence, hobby farm or working farm?

Well, septic, access, acreage and zoning acceptable?

  • No → Inspection, legal or specialist review
  • Yes → Continue

Residential lender accepts whole value?

  • Yes → Residential underwriting
  • No → Continue

Farm income and agricultural assets support farm financing?

  • Yes → Agricultural lender/program
  • No → Larger equity, specialist lender or reduced transaction

Decision-quality checklist

  • [ ] Exact policy failure is identified.
  • [ ] Lender category is selected after borrower and property analysis.
  • [ ] Cheapest payment is not confused with lowest total cost.
  • [ ] Eligibility is separated from suitability.
  • [ ] Approval is separated from fundability.
  • [ ] Every short-term solution has a dated exit.
  • [ ] Legal, tax and accounting issues are escalated.
  • [ ] Contingency is documented before commitment acceptance.

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Source Notes for Chapters 53–57

[^FSRA-APP]: Financial Services Regulatory Authority of Ontario, Mortgage Application Process, accessed July 23, 2026.

[^FSRA-WORKING]: Financial Services Regulatory Authority of Ontario, Working with a Mortgage Professional, accessed July 23, 2026.

[^FINTRAC-MORTGAGE]: FINTRAC, Mortgage administrators, brokers and lenders — requirements, effective October 11, 2024, accessed July 23, 2026.

[^CRA-T2125]: Canada Revenue Agency, T2125 Statement of Business or Professional Activities, page dated May 1, 2026.

[^CMHC-SE]: Canada Mortgage and Housing Corporation, Self-Employed Mortgage Loan Insurance, accessed July 23, 2026.

[^CMHC-RENTAL]: Canada Mortgage and Housing Corporation, Income Property, accessed July 23, 2026.

[^FCAC-RENEWAL]: Financial Consumer Agency of Canada, Renewing your mortgage, current page accessed July 23, 2026.

[^OSFI-MQR]: Office of the Superintendent of Financial Institutions, Minimum qualifying rate for uninsured mortgages, modified January 29, 2026.

[^ONT-CONSTRUCTION]: Ontario, Construction Act, current consolidation accessed July 23, 2026; section 22 basic holdback and 2026 amendments.

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