BorderBird
Tools · Free · No signup

Free tools for cross-border landlords

Calculators built specifically for the workflow Canadian landlords with US property — and Americans with Canadian property — actually face every year.

No signup, no email gate.

Every calculator10

The rest of the toolkit

FIRPTA Calculator

Estimate the 15% gross-price withholding when a Canadian sells US real property. See what an 8288-B Withholding Certificate would save.

Open calculator
T1135 Threshold Checker

Quickly check whether your foreign property cost base crosses the CAD $100,000 reporting line that triggers T1135 filing.

Open calculator
Section 871(d) Decision Tool

Should you elect ECI treatment? The math says yes for almost everyone — walk through your specific numbers.

Open calculator
Rental Cashflow Calculator

Property-level cashflow snapshot: rent in, expenses out, net monthly result. Quick estimate before a purchase.

Open calculator
FBAR Threshold Calculator

Check whether your foreign financial accounts exceed the $10,000 USD FBAR filing threshold. Includes FATCA Form 8938 check.

Open calculator
USD/CAD Exchange Rate Database

Official Bank of Canada annual average USD/CAD rates accepted by CRA — every year from 2010 to present.

Open calculator
IRS CAD→USD Yearly Average Rate

The other direction: the IRS yearly average rate for converting Canadian rental income into USD on Schedule E.

Open calculator
Section 116 Withholding Calculator

How much a buyer must hold back when a non-resident SELLS Canadian real estate — 25% of the gross price without a T2062 clearance certificate, or 25% of the gain with one. Includes the Quebec layer.

Open calculator
Substantial Presence Test Calculator

Count your US days across three years and see whether the IRS considers you a US tax resident — and whether Form 8840 can get you out of it.

Open calculator
GST/HST on Rental Income Checker

Is your Canadian rent GST/HST-taxable? Long-term residential rent is exempt; short-term and commercial rent are not. Rate by province, plus the $30,000 small-supplier threshold.

Open calculator

The full tool: BorderBird the app

Calculators give you a snapshot. BorderBird automates the year-round bookkeeping behind them — forwarded-email rent import, utility capture, dual-currency P&L, and accountant-ready CSV exports for both CRA T776 and IRS Schedule E.