🏡 カナダ住宅ローン計算機

CADで元金、利息、固定資産税を含む月々の住宅ローン支払いを計算します。カナダの住宅購入者のための必須ツールです。

月間総支払額

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元金と利息 — 固定資産税 — 住宅保険 — CMHC保険 — HOA/コンド料金 — 総利息支払額 —

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Understanding Canadian Mortgage Basics

Canadian mortgages differ significantly from US mortgages in structure, regulations, and terminology. A mortgage represents a loan secured against your property, allowing you to purchase a home by paying a portion upfront (down payment) and borrowing the remainder. The average Canadian home price varies dramatically by region: Toronto $1.1M, Vancouver $1.2M, Calgary $550K, Montreal $535K, Halifax $465K as of 2025. Canadian mortgages feature unique characteristics including mandatory stress testing, different amortization rules, and distinct insurance requirements. Unlike the US 30-year fixed rate standard, Canadian fixed rates are typically limited to 5-year terms, after which rates reset based on current market conditions. Understanding these fundamentals is crucial before entering Canada's competitive housing market.

Down Payment Requirements and CMHC Insurance

Canadian down payment requirements are strictly regulated by federal rules. Minimum 5% down payment on homes up to $500K; 5% on first $500K plus 10% on portion above $500K up to $1M; minimum 20% down payment required for homes over $1M (no high-ratio insurance available). CMHC (Canada Mortgage and Housing Corporation) insurance is mandatory when down payment is less than 20%. Insurance premiums range from 2.8% (20% down) to 4.0% (5% down) of the mortgage amount, typically added to your loan principal. For a $500K home with 5% down ($25K), CMHC insurance would be approximately $19,000 (4% of $475K loan), increasing your effective loan to $494K. While CMHC insurance increases costs, it enables homeownership with smaller down payments. Alternative insurers include Sagen (formerly Genworth) and Canada Guaranty, offering similar products at competitive rates.

Interest Rates and Mortgage Terms

Canadian mortgage rates in 2025 range from 4.5% to 6.5% depending on term length, down payment size, and lender. Fixed-rate mortgages offer rate stability for 1-10 year terms, with 5-year fixed being most popular (typically 5.5-6%). Variable-rate mortgages fluctuate with Bank of Canada prime rate, currently offering lower initial rates (5.0-5.5%) but carrying rate increase risk. The mortgage term (contractual period) differs from amortization (total repayment period). Common terms: 1-year (highest rates, most flexibility), 2-year, 3-year, 5-year (most popular, balanced rate/flexibility), 7-year, 10-year (highest rates, maximum stability). After term expires, you renegotiate at current rates or switch lenders. Amortization periods extend up to 25 years for high-ratio mortgages (under 20% down) and 30 years for conventional mortgages (20%+ down). Shorter amortizations mean higher monthly payments but substantially less interest paid over the loan lifetime.

The Mortgage Stress Test

Canada's mortgage stress test, introduced 2018 and strengthened 2021, requires borrowers to qualify at a rate higher than their actual mortgage rate to ensure affordability if rates rise. You must qualify at the higher of: your contract rate plus 2%, or the Bank of Canada 5-year benchmark rate (currently 5.25%). For example, if securing a 5.5% mortgage, you must prove ability to afford payments at 7.5% (5.5% + 2%). This significantly reduces maximum borrowing capacity - a household qualifying for $500K at actual rates might only qualify for $400K under stress test rules. The stress test aims to prevent borrowers from overextending and protects financial system stability. It applies to all federally regulated lenders (banks, credit unions under federal jurisdiction) for insured and uninsured mortgages. Some argue it unfairly restricts homeownership, particularly in expensive markets like Toronto and Vancouver, while others credit it for preventing household debt crises during rate increases.

Property Taxes Across Canadian Provinces

Canadian property taxes are levied by municipalities and vary dramatically by location. Property tax rates (as % of assessed value): Vancouver 0.25%, Toronto 0.66%, Calgary 0.64%, Edmonton 0.85%, Ottawa 1.14%, Montreal 0.75%, Halifax 1.18%. For a $700K home: Vancouver $1,750/year, Toronto $4,620/year, Calgary $4,480/year, Montreal $5,250/year, Halifax $8,260/year. Property taxes fund municipal services including schools, police, fire departments, infrastructure, and recreational facilities. Tax amounts are calculated by multiplying property assessed value by municipal mill rate. Assessed values are periodically updated by provincial assessment authorities (MPAC in Ontario, BC Assessment in British Columbia). Property tax bills are typically issued annually or semi-annually. Many homeowners include monthly property tax payments in their mortgage payment through a property tax account managed by their lender, ensuring funds are available when tax bills arrive.

Accelerated Payment Options and Early Payoff

Canadian mortgages offer various repayment flexibilities allowing faster payoff and substantial interest savings. Accelerated bi-weekly payments: instead of monthly payments, pay half your monthly amount every two weeks, resulting in 26 payments (equivalent to 13 monthly payments) annually. This strategy can reduce a 25-year amortization to approximately 22 years, saving tens of thousands in interest. Weekly and bi-weekly payment frequencies offer similar benefits. Lump sum prepayments: most Canadian mortgages allow annual prepayments of 10-20% of original principal without penalty. Making even small annual lump sum payments dramatically reduces total interest and amortization. Payment increase options: many lenders allow increasing regular payment amount by 10-20% annually without penalty. For example, increasing a $2,000 monthly payment to $2,200 (10% increase) can save $50,000+ in interest over loan life and reduce amortization by 3-5 years. These prepayment privileges vary by lender and mortgage product - verify specific terms when negotiating your mortgage.

Mortgage Default Insurance vs Home Insurance

Canadians must understand two distinct insurance types: mortgage default insurance (protects lender) and home insurance (protects homeowner). CMHC mortgage default insurance is mandatory for high-ratio mortgages (under 20% down), protecting lenders against borrower default. Premiums range 2.8-4.0% of mortgage amount, paid by borrower but lender is beneficiary. This insurance enables lower down payments but provides zero protection to homeowner. Home insurance (property/casualty insurance) is separate, mandatory coverage protecting your home against fire, theft, weather damage, and liability. Annual costs average $1,500-3,000 depending on home value, location, coverage limits, and deductibles. Lenders require proof of home insurance as mortgage condition. Condo owners need condo insurance covering unit contents and liability (building exterior covered by condo corporation insurance). Never confuse these insurances - one protects lender against your default, the other protects you against property damage and liability claims.

Closing Costs and Hidden Expenses

Canadian home purchases involve substantial closing costs beyond down payment, typically 1.5-4% of purchase price. Expect these expenses: Land transfer tax (provincial): 0.5-2% of purchase price depending on province and home value. Toronto charges additional municipal land transfer tax (combined up to 4% on expensive properties). First-time buyers may qualify for rebates. Legal fees: $1,500-3,000 for lawyer/notary to handle title transfer, mortgage registration, and closing documentation. Home inspection: $400-700 for professional structural and systems inspection (strongly recommended, often identifies issues saving thousands). Property appraisal: $300-500, required by lenders to verify home value. Title insurance: $250-400, protects against title defects and survey issues. Home insurance: first year premium due at closing, approximately $1,500-3,000. Property tax adjustments: reimburse seller for prepaid taxes. GST/HST on new homes: federal/provincial sales taxes apply to new construction (not resale homes). Moving costs, utility connections, immediate repairs/renovations should also be budgeted. Total closing costs on a $600K home purchase typically $15,000-25,000.

First-Time Home Buyer Programs and Incentives

Canadian governments offer numerous programs assisting first-time home buyers. First-Time Home Buyer Incentive (federal): government shares 5-10% of home purchase price as shared equity mortgage (interest-free, payment-free), reducing monthly costs. Repaid when selling home or within 25 years. Income and home price restrictions apply. First Home Savings Account (FHSA): new 2023 program allows first-time buyers to contribute up to $8,000 annually ($40,000 lifetime) into tax-free account. Contributions are tax-deductible (like RRSP) and withdrawals for home purchase are tax-free (like TFSA). Home Buyers' Plan (HBP): withdraw up to $35,000 from RRSP for down payment without immediate tax consequences, repaid over 15 years. Land Transfer Tax Rebates: most provinces offer first-time buyer rebates (Ontario up to $4,000, BC up to $8,000). Provincial programs: BC First Time Home Buyers Program, Ontario Land Transfer Tax Refund, various municipal programs offering grants or low-interest loans. These programs significantly reduce entry barriers, though eligibility rules and limits vary. Combining multiple programs maximizes benefits.

Using This Mortgage Calculator Effectively

This calculator helps Canadian home buyers understand true monthly housing costs and plan finances. Enter home price: use actual listing prices in your target market. Toronto/Vancouver homes average $1.1-1.2M, Calgary/Montreal $500-550K. Enter down payment: minimum 5% for homes under $500K, 20% avoids CMHC insurance. Calculate CMHC premiums separately and add to loan amount if applicable. Input current interest rates: check major lenders (RBC, TD, Scotiabank, BMO, CIBC) for current 5-year fixed rates, typically 5.5-6.5% in 2025. Include property taxes: estimate 0.5-1.2% of home value annually depending on location. Toronto $4,620/year on $700K home, Vancouver $1,750/year. Add home insurance: budget $1,500-3,000 annually. Include condo fees if applicable: Toronto condos average $500-700/month, Vancouver $300-500/month. The calculator shows total monthly payment including all costs, helping you budget realistically. Compare different scenarios: try various down payment amounts, terms, and interest rates to understand impacts on monthly costs and total interest paid. Remember to stress test - can you afford payments if rates increase 2%? This calculator is essential for determining realistic home price range, comparing different financing scenarios, and understanding long-term costs of homeownership.

よくある質問

CMHC保険はいつ必要ですか？

頭金が住宅価格の20%未満の場合、CMHC（またはSagen、Canada Guaranty）の住宅ローン保険加入が義務付けられます。保険料はローン額の2.8～4.0%で、多くの場合元金に加算されます。

ストレステストとは何ですか？この計算機にどう影響しますか？

カナダの貸し手は、契約金利+2%か5年ベンチマーク金利のいずれか高い方で返済能力を審査します。実際に承認されるローン額は、この計算機が示す月々の支払いより低い基準で決まる場合があります。

固定資産税や住宅保険は必ず入力する必要がありますか？

任意ですが、入力することで元金・利息以外の実際の総月間住居費をより正確に把握できます。地域によって税率は0.25%～1.2%と大きく異なるため、確認してから入力するのがおすすめです。

償却期間は25年と30年のどちらを選ぶべきですか？

頭金20%未満の高比率モーゲージは最長25年、20%以上の一般的なモーゲージは最長30年まで選べます。期間が短いほど月々の支払いは増えますが、総利息は減ります。