Cash vs mortgage in Florida: opportunity calculation for Canadians

Section 01Force 1: the cost of foreign-national borrowing

A Canadian buying in Florida without US residency is, in lender language, a foreign national. That status changes both the rate and the structure of the loan.

Verified factAs of April 23, 2026, the Freddie Mac Primary Mortgage Market Survey reported the US 30-year fixed-rate mortgage at 6.23% for conforming loans to qualified resident borrowers with 20% down. Foreign national programs price 0.5 to 0.75 percentage points above this benchmark, putting the typical April 2026 foreign-national 30-year fixed in the range of 6.75% to 7.00%. Source: Freddie Mac PMMS, April 23, 2026.

Typical rangeForeign national down payment requirements run from 25% to 35% of the purchase price, with 30% being the most common baseline for Canadian buyers in 2026. Reserve requirements are typically 6 to 12 months of PITI held in a US-accessible account. Underwriting timelines run 35 to 60 days, longer than the 30 to 45 days typical for resident borrowers.

The structural distinction matters. A foreign-national mortgage is almost always a non-QM (non-qualified mortgage) product held in lender portfolio, not sold to Fannie Mae or Freddie Mac. That keeps spreads wider and limits competition among lenders. The buyer who shops three or more lenders typically captures the lower end of the rate band; the buyer who takes the first quote typically pays the full spread.

What this means for a Canadian. The Canadian variable-rate mortgage anchored on prime plus a small spread does not exist for non-residents in the US. Treat the published US rates that homebuyers see in news coverage as a floor, not a ceiling, and budget for the foreign-national premium when comparing US borrowing cost to Canadian capital alternatives.

Section 02Force 2: US and Canadian taxation of mortgage interest

This is the section where the original audited article was thinnest, and where most Canadian buyers receive incorrect advice. The deductibility of mortgage interest depends on three interlocking variables: whether the property is rented, whether the buyer makes a tax election on the US side, and whether the funds borrowed were used to earn income on the Canadian side.

US side: the IRC § 871(d) election

Verified factUnder default US rules, rental income paid to a non-resident alien from US real property is FDAP and is subject to 30% withholding on the gross amount, with no deductions allowed for mortgage interest, property taxes, depreciation, or any other expense. To deduct expenses, the non-resident must file a valid election under IRC § 871(d) to treat all US real property income as effectively connected with a US trade or business (ECI). Once elected, the income is taxed on a net basis at graduated rates, and mortgage interest, property taxes, depreciation (mandatory, straight-line over 27.5 years for residential), and operating expenses become deductible on Form 1040-NR, Schedule E. Sources: IRC § 871(d); 26 CFR § 1.871-10; IRS Publication 519.

The election is made by attaching a statement to the first Form 1040-NR for the year of election, listing all US real property held for the production of income. It applies to all US real property the non-resident owns and remains in effect until formally revoked. A Form W-8ECI is provided to the property manager or tenant to suspend the 30% gross withholding while the election is in force.

For a Canadian buying a property that will be rented, this election is almost always preferable. A property generating USD 30,000 in gross rents and USD 22,000 in deductible expenses pays US tax on USD 8,000 at graduated rates, instead of 30% on USD 30,000 with no deductions. The election turns the US filing from a 30% gross-rent tax into a normal net-income tax.

For a Canadian buying a personal residence with no rental activity, the election is unavailable, because the property is not held for the production of income. There is no US income to offset, so US mortgage interest produces no US tax benefit. This is a frequent misunderstanding: a non-resident's mortgage interest on a snowbird residence is simply not deductible anywhere on the US side.

Canadian side: the income-earning purpose test

Verified factUnder paragraph 20(1)(c) of the Income Tax Act (Canada), interest is deductible against income only if the borrowed money is used for the purpose of earning income from a business or property. CRA does not require that the income be Canadian-source. Interest on a mortgage or HELOC used to acquire a US rental property is deductible against the worldwide rental income reported on Form T776 by the Canadian resident. Sources: ITA paragraph 20(1)(c); CRA T4036, Rental Income.

The implication is direct. A Canadian who draws a Canadian HELOC and uses the proceeds to buy a US rental property may deduct that HELOC interest on their Canadian return against the rental income reported on T776, regardless of the fact that the borrowing happened in Canada and the income is foreign. The original audited article suggested HELOC interest was non-deductible "unless borrowing in CA to generate CA income"; that overstates the constraint. The test is income-earning purpose, not jurisdiction of the income.

For a Canadian who buys a personal Florida residence with no rental activity, neither the US mortgage interest nor a Canadian HELOC interest used to fund the purchase is deductible. The expense is personal consumption on both sides of the border.

CA ↔ FL comparison

Aspect	Federal CA	Provincial (Quebec)	Federal US (IRS)	State (FL)
Mortgage interest, personal residence	Not deductible (no income-earning purpose, ITA 20(1)(c))	Same as federal	Not deductible (no US-source income to offset)	No state income tax
Mortgage interest, US rental property	Deductible against rental income on T776	Same as federal, reported on TP-128	Deductible on Form 1040-NR Schedule E after § 871(d) election	No state income tax
Reporting threshold	T1135 required if foreign property cost > CAD 100,000	Mirrored on TP-1135	Form 1040-NR for any year with election in effect	None
Foreign tax relief mechanism	Foreign Tax Credit on Form T2209	Quebec FTC on TP-772	Treaty (Canada-US) caps double taxation	Not applicable
Currency for reporting	All amounts in CAD using Bank of Canada rate	Same	All amounts in USD	Not applicable

What this means for a Canadian. The decision tree is built on two questions, in order: is the property going to be rented, and is the cost of the foreign-national mortgage rate (after-tax) lower than the expected after-tax return on the capital that would otherwise sit in the property. A non-rented snowbird residence answers the first question "no" and the mortgage almost always costs more than the alternative; a rental property answers "yes" and the math frequently flips.

Section 03Force 3: foreign exchange risk

A Canadian buyer faces a structural problem that no resident US buyer faces: the property is denominated in USD, the buyer's income and most savings are in CAD, and the conversion produces gain or loss independent of the property's own performance.

Verified factAs of April 30, 2026, the Bank of Canada noon exchange rate is approximately USD 1 = CAD 1.36. The 2026 year-to-date range has been CAD 1.3486 to CAD 1.3947, a swing of roughly 3.4% over four months. The 10-year range on the same pair has been wider, from approximately CAD 1.21 to CAD 1.46, a 21% swing. Sources: Bank of Canada daily exchange rates; historical USDCAD series.

A cash purchase converts the entire property cost from CAD to USD on a single day, locking in that day's rate for the full investment. A 30-year US mortgage spreads the conversion across 360 monthly payments, smoothing the rate exposure but also extending it to the entire amortization period.

Three observations matter for the decision.

The first is that FX exposure cuts both ways. A Canadian who locked in a CAD purchase in 2002 at USD 1 = CAD 1.60 watched the loonie strengthen to par by 2007, an unrealized currency loss of nearly 40% on the equity. A Canadian who locked in at USD 1 = CAD 1.05 in 2012 watched the loonie weaken to CAD 1.45 by 2025, an unrealized currency gain of roughly 35% on the equity. Neither outcome was foreseeable.

The second is that the mortgage path does not eliminate FX risk; it transforms it. The buyer still owes USD principal, and every monthly payment converts CAD to USD at the prevailing rate. A weakening CAD makes payments more expensive in CAD over time. A strengthening CAD eases them.

The third is that the Canadian HELOC creates a third risk profile that resembles the cash path on the US side and the mortgage path on the Canadian side. The HELOC balance is in CAD, paid in CAD, with interest tied to Canadian prime. The Canadian buyer holds a US asset funded by Canadian debt, which means the entire FX exposure sits in the asset, not the liability.

OpinionFor a buyer with a 10-year horizon or longer, the choice between cash and US mortgage on FX grounds alone is close to a wash, because the volatility of the pair over that horizon is large enough to dominate the timing of any single conversion. For a buyer with a 3-year horizon (snowbird testing the lifestyle), the timing of conversion matters considerably more, and the case for spreading conversions across multiple tranches strengthens.

What this means for a Canadian. Unless the buyer has a strong directional view on the loonie and is willing to accept the asymmetric outcome, the FX exposure of a Florida purchase is a feature of the decision, not a defect to be eliminated. Mitigation through forward contracts or staged conversions through an FX broker is available but produces friction costs that need to be priced against the risk reduction.

Section 04Force 4: offer competitiveness

A cash offer in Florida is structurally different from a financed offer in three ways that affect the seller's view: it removes the financing contingency, it removes the appraisal contingency, and it shortens the closing timeline from 35 to 60 days down to 15 to 30 days.

Verified factA 2024 University of California San Diego Rady School of Management study found that all-cash buyers pay on average 10% less than mortgage buyers for comparable properties, and that the discount can reach 17% in markets where mortgage transactions carry higher fall-through risk. An FDIC study reported a similar 11% average. ATTOM Data reported that 36.6% of US home sales in Q3 2023 were all-cash. Sources: UC San Diego Rady School research; FDIC research note; ATTOM Data Solutions.

Typical rangeIn a tight Florida sub-market with multiple offers, the practical seller-side discount captured by a cash buyer typically runs 3% to 7% off list. In a slow market with extended days-on-market, the discount narrows or inverts: a seller starved for offers may take a higher financed price over a lower cash price. The 10% academic average masks this market-by-market dispersion.

The Florida-specific element to internalize is the condo question. Many Florida condos, particularly older buildings and condotels, do not qualify for foreign-national mortgages because of warrantability rules: lenders require minimum owner-occupancy ratios, adequate reserves, and no active litigation. A Canadian buyer pursuing a unit in a non-warrantable building is forced into either a cash purchase or a more expensive non-QM portfolio loan. This is structural, not market-driven, and cannot be solved by shopping more lenders.

What this means for a Canadian. The cash discount is real but smaller than the headline numbers suggest in any given transaction. A buyer who can pay cash should treat the discount as a negotiating asset to deploy against list, not as a guaranteed 10% saving. The condo warrantability constraint can force the cash route on a buyer who would have preferred to finance.

Section 05Force 5: US estate tax exposure

This is the force most often missed in cash-vs-finance discussions, and it can dominate the math for higher-value properties.

Verified factUnder IRC § 2101 and § 2106, a non-resident alien is subject to US federal estate tax on US-situs property at graduated rates up to 40%, with a unified credit equivalent to USD 60,000 of property value (compared to roughly USD 13.99 million for US citizens and residents in 2025). Florida real estate is US-situs property. The Canada-US Treaty (Article XXIX-B) provides a pro-rata exemption that scales to the worldwide-estate-to-US-estate ratio, raising the practical exemption for many Canadians, but this requires an elective treaty position and a US estate tax return (Form 706-NA). Sources: IRC § 2101, § 2106; Canada-US Income Tax Convention, Article XXIX-B; IRS Form 706-NA instructions.

A non-recourse mortgage on the property reduces the gross taxable estate dollar for dollar. A recourse mortgage reduces it only pro-rata to the share of the worldwide estate situated in the US. Most foreign-national mortgages on Florida property are non-recourse to the borrower personally (enforced only against the secured property), and therefore reduce the taxable estate fully. A Canadian who owes USD 350,000 on a USD 500,000 Florida property has a US-situs taxable estate of USD 150,000 instead of USD 500,000.

OpinionFor a Canadian buying a Florida property worth more than USD 500,000 personally (not through a corporation or cross-border trust), a mortgage can produce a US estate tax saving that exceeds the after-tax cost of carrying the loan, depending on the buyer's age, health, and worldwide net worth. This is the strongest non-tax-shelter argument for financing a property even when capital is available.

What this means for a Canadian. The estate tax dimension shifts the cash-vs-finance question from a 10-year cash flow comparison to a portfolio-and-mortality comparison. A buyer over 65 with substantial worldwide assets and a high-value Florida property has a different math than a 40-year-old buyer with a USD 350,000 condo. The succession chapter on this site treats the mechanics in detail; for purposes of the financing decision, the estate tax effect is a real number that belongs in the comparison.

Section 06Four numbered scenarios

All four scenarios use the same benchmark property and same assumptions, so they are directly comparable.

Benchmark assumptions:

Purchase price: USD 500,000.
Period: 10 years.
USDCAD: 1.37 (April 2026 average), assumed stable for illustration.
Foreign-national 30-year fixed mortgage rate: 7.00%.
US S&P 500 expected nominal return: 8.00% (real return roughly 5.5% after expected inflation).
Combined Canadian marginal tax rate: 40% (representative Quebec, mid-bracket).
Annual carrying costs (property tax, HOA, insurance, maintenance): USD 18,000.
Canadian HELOC rate: prime + 0.5% = 4.95% (April 2026).

Typical rangeThese inputs are mid-band assumptions. Real-world outcomes will diverge based on the specific property, the buyer's tax bracket, the actual S&P return realized over the 10-year window, and any FX move from the assumed 1.37 anchor. The scenarios illustrate magnitude and direction, not predicted dollars.

Scenario A: cash purchase, snowbird residence (no rental)

Initial outlay: USD 500,000 = CAD 685,000. Carrying costs over 10 years: USD 180,000 = CAD 246,600. Total cash committed before any property appreciation or FX move: CAD 931,600. Tax shelter on either side: zero. US estate tax exposure on the gross USD 500,000 (subject to treaty pro-rata).

This is the simplest path and the cleanest outcome to evaluate. It works well when the buyer has surplus capital that would otherwise sit in low-yield instruments, when peace of mind has positive utility, and when the property is unambiguously a personal-use asset.

Scenario B: 30% down, 70% mortgage, snowbird residence (no rental)

Down payment: USD 150,000 = CAD 205,500. Closing costs at typical 3% of price: USD 15,000 = CAD 20,550. Loan amount: USD 350,000 at 7% over 30 years. Monthly P&I: USD 2,329. Annual P&I: USD 27,948 = CAD 38,289. Plus annual carrying costs: USD 18,000 = CAD 24,660. 10-year debt service plus carry: roughly CAD 629,490. Tax shelter on either side: zero (no rental, no income-earning purpose). "Saved" capital of CAD 479,500 invested at 8% gross, taxed at 40% on the realized portion: roughly CAD 766,000 to CAD 800,000 after 10 years, depending on tax-deferral structure used.

The result is materially close to Scenario A in 10-year terminal wealth, with two important differences: market risk is real (the 8% return is an expectation, not a guarantee), and US estate tax exposure is reduced from USD 500,000 to roughly USD 150,000 of equity over the life of the loan.

Scenario C: 30% down, 70% mortgage, rental property

Same down payment, closing costs, and loan structure as Scenario B. Gross annual rent assumption: USD 36,000 (representative for a USD 500,000 condo at 7% gross yield in a Florida vacation market). Operating expenses (HOA, insurance, property tax, management, vacancy): USD 22,000. Annual mortgage interest (year 1): roughly USD 24,400. Annual depreciation (mandatory, straight-line over 27.5 years): roughly USD 14,000. Net taxable rental income on Form 1040-NR after § 871(d) election: roughly USD -24,400 (paper loss in early years due to depreciation). US tax owed in early years: zero. Canadian Form T776 net rental income (CCA optional, often skipped on US property): roughly USD 14,400 = CAD 19,728, taxed at 40% = CAD 7,891.

The mortgage materially reduces both the US tax bill (to zero in early years) and the Canadian tax bill (interest fully deductible). Effective after-tax cost of borrowing falls from the 7% nominal rate to roughly 4.5% to 5.0%, depending on bracket.

OpinionWhen the property will be rented for at least 6 months a year and gross yield is 6% or higher, the math of Scenario C is meaningfully favourable to the mortgage path versus the cash path. The after-tax cost of leverage drops below most reasonable estimates of expected return on the alternative-use capital, which is the textbook condition for productive borrowing.

Scenario D: cash purchase via Canadian HELOC

HELOC drawn from Canadian property: CAD 685,000 at prime + 0.5% = 4.95%. Annual interest cost (interest-only HELOC, year 1): CAD 33,907. Conversion: full CAD 685,000 converted to USD 500,000 at 1.37, transacted through an FX broker at typical 30 to 50 basis points spread (saving roughly CAD 5,000 to CAD 7,000 versus a Canadian retail bank). US offer is 100% cash, with no financing contingency, no appraisal contingency, 21-day close. Estate tax exposure: full USD 500,000 (HELOC is on the Canadian property, not the US property; it does not reduce the US-situs taxable estate). Deductibility on the Canadian side: depends on use of funds. If the Florida property is rented, HELOC interest is deductible against rental income on T776. If it is a personal residence, HELOC interest is not deductible. Optional refinance: a US foreign-national cash-out refinance can be executed any time 6 to 12 months after closing, converting some of the equity back to USD debt at then-current rates.

This path is strong when the buyer needs the competitiveness of a cash offer (multi-offer market, non-warrantable condo, or quick close) but does not want to commit the full CAD outlay irreversibly, and when the buyer has clean Canadian-property equity available at HELOC pricing.

Section 07Strategy by buyer profile

The same five forces apply to every buyer; the weighting changes by profile. The patterns below are starting points, not prescriptions.

Snowbird with capital available, personal residence, 5-to-10-year horizon. Cash usually wins. Mortgage interest is non-deductible on both sides, the foreign-national rate exceeds most plausible after-tax returns on the displaced capital, and the simplicity of cash has positive utility for a use-asset. The exception is a buyer over 65 with worldwide assets above CAD 5 million, where the US estate tax saving from a non-recourse mortgage can be material enough to favour financing.

Long-term rental investor, intent to keep 10 years or more. Mortgage usually wins. The § 871(d) election turns mortgage interest into a deductible expense on both sides, depreciation creates a paper shelter against US tax in early years, and leverage amplifies the equity return when the property's appreciation plus net rental income exceeds the after-tax cost of debt. DSCR loan products are designed for this profile and frequently price in the same range as foreign-national fixed mortgages while qualifying on the property's cash flow rather than the borrower's foreign income.

Buyer without full capital available. Mortgage is the only option. Focus shifts to negotiating the terms: rate band (shop three to five lenders), down payment (25% if reserves are strong, 30% as the typical baseline), prepayment penalty (avoid if possible), and reserve requirement (negotiate down toward 6 months from the lender's opening 12). The financing contingency in the offer should be drafted to protect the deposit if the loan does not fund.

Urgent buyer in a multi-offer market. Canadian HELOC for the cash offer, then optional US cash-out refinance after closing. The HELOC delivers the competitive cash bid in 21 days; the refinance restores the US dollar leverage 6 to 12 months later if rates and life circumstances support it. The trade-off is that the buyer carries Canadian HELOC debt service in the interim.

High-net-worth buyer with low risk tolerance, personal use only. Cash. The marginal optimization available through leverage rarely justifies the introduction of debt service obligations into a discretionary-use asset for a buyer whose capital cost is already low. The estate tax dimension may still argue for a mortgage if the property is large relative to worldwide estate, but this is a narrow exception, not the rule.

Section 08Common mistakes

Treating mortgage interest as automatically deductible on Form 1040-NR. It is not. Without the IRC § 871(d) election, rental income is FDAP and taxed at 30% on gross with no deductions. The election must be filed; it is not automatic, and a late election triggers IRS recalculation of prior years on a gross basis with penalties.
Comparing the foreign-national rate to the conforming rate. News reports cite Freddie Mac PMMS rates that apply only to qualified resident borrowers with 20% down. Foreign-national rates run 0.5 to 0.75 points above this. Budget against the foreign-national band, not the headline number.
Assuming the Canadian HELOC interest is non-deductible because the borrowing happened in Canada. Under ITA paragraph 20(1)(c), the test is the income-earning purpose of the funds, not the jurisdiction of the income. HELOC interest tied to a US rental property is deductible on T776.
Underestimating reserve requirements. Foreign-national lenders typically require 6 to 12 months of full PITI in a US-accessible account at closing. A buyer who plans the cash flow to bare break-even after closing risks failing the lender's reserve test.
Buying a non-warrantable condo on the assumption that financing is available. Many Florida condos and almost all condotels do not qualify for foreign-national mortgages, regardless of the buyer's profile. Confirm warrantability with the lender before signing the contract.
Forgetting US estate tax exposure entirely. A non-resident's US-situs property above USD 60,000 in value (subject to treaty pro-rata) is exposed to US federal estate tax at rates up to 40%. A USD 500,000 Florida property held in personal name with no mortgage and no treaty position can produce a six-figure tax bill on death. The financing decision and the title structure interact on this point.
Locking the FX rate on a single day for a 30-year asset. A cash buyer who converts CAD 685,000 in one transaction commits the full FX bet that day. Splitting the conversion across multiple tranches over 60 to 180 days through an FX broker reduces the timing risk at the cost of holding capital uncommitted during the window.

Section 09Actionable checklist

Obtain a foreign-national mortgage pre-qualification from at least three lenders. Compare rate, down payment, reserves required, prepayment terms, and condo warrantability of the target property.
Calculate the after-tax cost of the foreign-national mortgage in your specific tax bracket, on both the US and Canadian sides, distinguishing rental from personal use.
Compare that after-tax cost to the after-tax expected return on the capital that would otherwise pay cash. The mortgage path wins only when the second number exceeds the first by enough to compensate for market risk.
Run the US estate tax exposure calculation. If the property exceeds USD 500,000 and is held personally with no mortgage, the exposure is material and may shift the decision.
If buying a rental, plan the IRC § 871(d) election to file with the first Form 1040-NR. Confirm the property manager or tenant has Form W-8ECI on file before the first rental period begins.
If using a Canadian HELOC, confirm with a cross-border tax accountant that interest will be deductible against the rental income on T776, and document the use-of-funds trace from HELOC draw to USD purchase.
Stage the FX conversion: at minimum, separate the down payment and reserves conversions from the operating-buffer conversions. Use a registered FX broker (Convera, Wise, or equivalent) rather than a Canadian retail bank for any conversion above CAD 50,000.
File Form T1135 for the year of acquisition and every subsequent year the property is held, if the cost amount exceeds CAD 100,000.
If the property will be rented, register for the US state and local short-term rental tax accounts (Florida sales tax, county tourist development tax) before the first booking.
Build a 10-year cash flow model in CAD and in USD, with explicit FX assumptions, tax bills on both sides, and an exit-year FIRPTA withholding line. Re-run annually.

Section 10FAQ

Can a Canadian get a mortgage on a Florida property without an SSN or US credit history? Yes. Foreign-national mortgage programs are designed for exactly this profile. Lenders use Canadian credit references, foreign bank statements, and reserve documentation in lieu of a US FICO score.

Is the 7% rate the same whether I buy as a personal name or through an LLC? Roughly yes, with adjustments. LLC borrowing on a foreign-national or DSCR program typically prices within 25 to 50 basis points of the personal-name rate, but the loan is structured as a commercial or non-QM business-purpose loan, with personal guarantee from the LLC member. The estate tax and liability advantages of LLC ownership belong to a separate analysis (see the LLC and cross-border trust guides in this chapter).

If I pay cash now, can I refinance later? Yes. A cash-out refinance after a cash purchase is available to foreign nationals, typically 6 to 12 months after closing once the property has seasoned in the lender's records. Rates are usually slightly higher than purchase-money rates, and LTV ceilings are lower (commonly 65% to 70%).

Does the US estate tax saving from a mortgage apply if I hold through an LLC? The LLC structure changes the analysis. A US LLC is disregarded by the IRS for a single-member non-resident, so the estate tax position is identical to personal ownership. A Canadian holding company that owns a US LLC introduces a separate set of issues (Canadian "personal-use property" anti-avoidance rules, Quebec land tax, US filing complexity). The cross-border trust guide addresses the alternative.

What FX rate should I assume in my 10-year model? Assume the current rate as the baseline and run two stress cases at plus and minus 15%. The 10-year USDCAD range over the past three decades has comfortably exceeded that band. Modelling at 1.37 only is false precision.

Does CMHC insurance apply to foreign-national mortgages in Florida? No. CMHC insures Canadian mortgages only. The US equivalent (private mortgage insurance, or PMI) does not apply to foreign-national programs at the standard 25% to 35% down payment, because PMI is required only on US conforming loans above 80% LTV.

If I buy with a Canadian HELOC and the loonie weakens, do I owe more? You owe the same CAD amount on the HELOC. The CAD-denominated debt does not move with the FX rate. The USD value of your Florida property does move, however; a weakening loonie means your US asset is worth more in CAD, even with no change in the USD price. The HELOC path concentrates the FX exposure in the asset rather than the liability.