Calculator · HELOC vs. peso mortgage
HELOC vs. peso mortgage
A side-by-side of the two financing paths most American buyers weigh: drawing a HELOC against your US home, or financing in pesos through a Mexican bank. Includes peso-devaluation sensitivity so you can see what FX moves cost you.
Inputs
$
USD amount you need to finance, whether via HELOC or peso loan.
%
US HELOC variable rate — currently 7.5–9.5% typical.
%
Mexican non-resident peso mortgage rates run 10–13%.
years
years
years
How long you plan to carry before refinancing or selling.
%
Negative = peso strengthens. Positive = peso weakens vs. USD.
Results
VerdictDelta over window: $45,347HELOC wins
HELOC monthly (USD)$2,603
Peso mortgage monthly (USD-equiv, start)$3,199
HELOC total paid (5 yrs)$156,208
Peso total paid (5 yrs)Includes 10% peso move (midpoint averaging)$201,555
Peso-mortgage USD-equivalent cost averages the FX move across the window — actual outcome depends on when the peso moves. If the peso weakens early, peso-mortgage cost in USD rises faster than this model; if it weakens late, slower. HELOC is variable-rate in practice — model assumes the rate you enter holds across the window. Doesn't include closing costs, origination fees, or tax effects (HELOC interest may be deductible if loan is used for Mexico property under TCJA rules — confirm with a cross-border CPA).
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