Best mortgage rates in St. Catharines.
Today’s best rate in St. Catharines is 3.00%. We compare 100+ lenders and lock your best on one application. No credit pull to start.
What will a mortgage cost in St. Catharines?
On the benchmark price of $524,500, 20% down and the best 5-year fixed come to about $2,239/month. The smallest legal down payment is $27,450, plus $6,965 of Ontario land transfer tax at closing. Niagara core. Affordable + retiree-relocation flow from GTA.
Who has the best mortgage rate in St. Catharines?
Marathon Mortgage Corp, at 3.00%. Your own rate depends on your file.
Marathon Mortgage Corp Best5-year variable3.00%Apply
Meridian Credit Union5-year variable3.44%Apply
Radius Financial3-year variable3.55%Apply- Radius Financial3-year variable3.55%Apply
- Marathon Mortgage Corp0.5-year fixed3.64%Apply
- Marathon Mortgage Corp0.5-year fixed3.64%Apply
Desjardins5-year variable3.70%Apply
TD Canada Trust3-year variable3.97%Apply
Rates illustrative; your file (credit, income, LTV) sets your personalized rate. See all Ontario rates →
What would my payment be on a $524,500 home in St. Catharines?
About $2,239/month with 20% down at the best 5-year fixed, or $2,759/month with the minimum down.
| At $524,500 | Minimum down | 20% down |
|---|---|---|
| Down payment | $27,450 | $104,900 |
| CMHC premium | $19,882 | None |
| Mortgage | $516,932 | $419,600 |
| Monthly, 5-yr fixed 4.14% | $2,759 | $2,239 |
| Monthly, 5-yr variable 3.00% | $2,446 | $1,986 |
| Stress-test payment at 6.14% | $3,351 | $2,720 |
25-year amortization, Canadian semi-annual compounding, best rates on today’s board. The stress test qualifies you at the greater of the contract rate plus 2 points or 5.25%. Illustrative, O.A.C. Model your own numbers in the payment calculator.
How we worked out a $524,500 St. Catharines purchase
At this price St. Catharines buyers can take the insured route: only the slice above $500,000 needs 10% down, which keeps the minimum near 5% of the price. Saving to 20% would take another $77,450 and removes the $19,882 premium.
On the 20%-down loan, variable is $253 a month cheaper than fixed today.
How much land transfer tax is on a St. Catharines purchase?
About $6,965 of Ontario land transfer tax on $524,500. All told, the minimum cash to close at this price — before legal fees, title insurance and adjustments — is about $34,415.
Land transfer tax on a St. Catharines purchase, explained
St. Catharines is outside the City of Toronto, so only Ontario's land transfer tax applies — $6,965 on a $524,500 purchase.
At this price the first-time-buyer refund of up to $4,000 covers 57% of it, leaving $2,965 to pay.
Check other prices in the land transfer tax calculator.
What is the St. Catharines market like behind your rate?
The $524,500 figure is St. Catharines’s benchmark price for August 2026 (the latest we have sourced), from St. Catharines MLS® HPI benchmark price, Niagara Association of REALTORS®.
How do St. Catharines neighbourhoods change the file?
The 5 pockets below mix freehold and condo stock, and each one triggers a different underwriting rule.
St. Catharines neighbourhoods, one by one (5)
Port Dalhousie
Waterfront and near-water detached, some condoShoreline proximity raises flood-mapping questions in the appraisal and the property-insurance binder. The newer condo stock is a status-certificate review, where reserve fund and rental share move the lender list.
Old Glenridge
Established detached on mature lotsOlder upper-band stock with long owner tenure, which makes refinance and HELOC files common. Character houses give appraisers fewer close comparables on a firm offer.
Lakeshore
Post-war and newer detached near the lakeComfortably inside the insurable band, so the tiered minimum down payment applies. Water-adjacent lots can bring flood mapping into the appraisal.
Western Hill
Post-war detached and semi, smaller lotsThe most affordable band in the city. Older small houses draw roof, furnace and wiring conditions, and basement suites are common enough that add-back rules decide many qualifying calculations.
St. Catharines Centre
Older detached, semi and converted multi-unitConversions and units over retail are the live issue: multi-unit and mixed-use property types take the file to a different lender list and a different minimum down payment before your income is considered.
This page is the rate-shopping side. For pre-approval strategy, document help and a dedicated advisor, see our St. Catharines mortgage broker page.
St. Catharines mortgage rates — FAQ
What is the best mortgage rate in St. Catharines right now?
The best rate in our 100+ lender network for St. Catharines (Ontario) is approximately 3.00% as of Oct 24, 2026. Your own rate depends on your file — income, credit, loan-to-value and property type.
What land transfer tax will I pay in St. Catharines?
Ontario's tax only: $6,965 on $524,500, or $2,965 for a first-time buyer.
Which St. Catharines neighbourhoods are mainly condo files?
Port Dalhousie. On a condo, a status certificate review sits alongside the review of your income.
Can I lock a St. Catharines rate before I buy?
Yes — most lenders hold a pre-approval rate for 90-120 days, and many honour a lower rate if rates drop before closing.
Lock your best St. Catharines rate.
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