Which debt service ratio measures total monthly debt payments as a percentage of gross monthly income?

Q: What is the correct answer to: Which debt service ratio measures total monthly debt payments as a percentage of gross monthly income?

The correct answer is Total Debt Service (TDS) ratio. The Total Debt Service (TDS) ratio specifically measures all monthly debt payments as a percentage of gross monthly income. This includes housing costs (principal, interest, taxes, heating) plus all other debt obligations like credit cards, car loans, student loans, and personal loans. Canadian lenders use TDS as the comprehensive debt measurement tool, typically requiring it to remain below 42-44% for conventional mortgages. This aligns with OSFI's B-20 guidelines for federally regulated lenders and provincial lending standards.

Q: What background knowledge is needed for this Mortgage & Real Estate Finance question?

Canadian mortgage qualification relies on two primary debt service ratios mandated by federal and provincial regulations. The GDS ratio measures housing costs only, while TDS encompasses all monthly debt obligations. OSFI's B-20 guidelines require federally regulated lenders to use these ratios for stress testing and qualification. Provincial regulators like BCFSA and RECA require real estate professionals to understand these concepts for proper client advisory services. TDS ratios typically cannot exceed 42-44% for conventional mortgages, with some flexibility for insured mortgages. These ratios work alongside credit scores and down payment requirements to determine mortgage eligibility and maximum loan amounts.

Q: What is a good way to remember the answer to this Mortgage & Real Estate Finance question?

Think of GDS as measuring only what happens inside your house (housing costs), while TDS measures everything in your entire financial neighborhood (all debts). GDS = 'Gross house costs only' vs TDS = 'Total debt street' - TDS includes the whole financial neighborhood including your house, car in the driveway, credit card bills on the kitchen table, and student loans in the mailbox. When you see 'total monthly debt payments,' immediately think 'TDS = Total Debt Street' - it includes everything. If the question mentions only housing costs, think 'GDS = Gross house only.' The word 'total' is your key trigger for TDS.

Q: What exam tip applies to this Mortgage & Real Estate Finance question?

Look for the keyword 'total' in debt service questions - it always points to TDS ratio. GDS only includes housing costs, while TDS includes housing plus all other monthly debt payments. Remember: Total = TDS.

Q: How does this Mortgage & Real Estate Finance concept apply in real world practice?

A client earning $8,000 monthly has housing costs of $2,400 (GDS = 30%) and additional debts of $800 monthly for car loans and credit cards. Their TDS ratio is $3,200 ÷ $8,000 = 40%. While their GDS looks acceptable, the TDS reveals they're approaching the 42% lending threshold. As their agent, you'd need to advise them about potential qualification challenges and suggest debt reduction strategies or adjusting their price range to ensure mortgage approval.

Question

Mortgage & Real Estate FinanceQualification_ratiosMEDIUM

Which debt service ratio measures total monthly debt payments as a percentage of gross monthly income?

Answer Options

A

Gross Debt Service (GDS) ratio

B

Total Debt Service (TDS) ratio

C

Loan-to-Value (LTV) ratio

D

Debt-to-Income (DTI) ratio