Ontario to New York: The Surtax Swap, Wall Street, and What Each Side Does With Your RRSP

Bay Street to Wall Street is the oldest Canada-US finance corridor, and it is nearly tax-neutral on income. Ontario's combined top rate is about 53.5% because of the provincial surtax; a Manhattan resident's combined federal, state, and city top rate is about 51%. The surtax is swapped for the city tax. What differs is the RRSP treatment, New York's estate tax cliff, the residency audit regime, and the departure year.

Key takeaways

• Ontario's roughly 53.5% top rate sets the departure tax. On a $300,000 unrealized gain, about $80,000.
• New York State's practical top rate is 9.65% and New York City adds up to 3.876%; combined with federal, about 51% in the city.
• New York's estate tax exemption is about $7.35 million with a cliff; Ontario has no estate tax but does deem assets sold at death.
• New York's position on the treaty's RRSP deferral is less settled than most states'.
• 13% HST becomes 8.875% sales tax in the city. OHIP ends on permanent departure.

The Ontario departure

Departure tax applies to non-registered investments, private company shares, crypto, and foreign property at fair market value on the departure date. Ontario real estate, RRSPs, TFSAs, and pensions are excluded. Report on Form T1243, list holdings on Form T1161 if the total exceeds $25,000, and post security under Form T1244 for illiquid assets.

Because New York taxes capital gains as ordinary income, gains realized before departure at Ontario's half inclusion are cheaper than the same gains realized as a New York resident. The Toronto home is excluded; rent it under NR6 and Section 216, sell it, or face Toronto's Vacant Home Tax.

New York's side

State brackets from 4% to 10.9% (the top rate only above $25 million); New York City resident tax from 3.078% to 3.876%; capital gains at ordinary rates; statutory residency at 183 days plus a permanent place of abode, with aggressive audits; 8.875% sales tax in the city; estate tax with an exemption near $7.35 million and a cliff at 105%; low property tax on city co-ops and condos, high in Westchester and Long Island. New Jersey and Connecticut suburbs avoid the city tax and carry their own state tax.

The RRSP in New York

Federally deferred under Article XVIII of the treaty. New York has historically declined to follow federal treaty exclusions in some contexts; whether RRSP growth must be added back on the New York return is a position to take with the guidance in hand. If it must, restructure the account toward low-yield holdings or draw it down before departure while still an Ontario resident.

Deferred compensation

Bay Street compensation carries deferred bonuses and restricted units vesting over several years. Under the treaty, employment income is sourced to where the work was performed; vests after the move are split by working days between Canada and the US, and New York and the city source their share by New York working days. Both payroll systems may withhold on the full amount.

Who makes this move

Bay Street investment bankers, traders, and asset managers to Wall Street and midtown; Ontario lawyers to New York offices; Toronto tech workers to the city's engineering hubs; and Ottawa policy professionals to the UN and consulting.

Worked example

A Toronto investment banker moves to Manhattan on July 1 with $300,000 of unrealized gain in a non-registered account, $800,000 in an RRSP, deferred compensation vesting over three years, and a Toronto condo sold in the departure year.

• Departure tax. $300,000 gain, $150,000 taxable, at about 53.5%: roughly $80,000. Realizing before departure avoids New York's ordinary-rate treatment.
• RRSP. Federally deferred; New York position documented.
• Condo. Sold as a resident under the principal residence exemption.
• Deferred comp. Split by working days; New York and the city source their share.
• New York. Combined top rate about 51%, a small cut from Ontario. HST 13% becomes sales tax 8.875%.

Official sources

"When you leave Canada, you are considered to have sold certain types of property (even if you have not sold them) at their fair market value (FMV) and to have immediately reacquired them for the same amount. This is called a deemed disposition and you may have to report a capital gain (also known as departure tax)." — Canada Revenue Agency, Leaving Canada (emigrants), https://www.canada.ca/en/revenue-agency/services/tax/international-non-residents/individuals-leaving-entering-canada-non-residents/leaving-canada-emigrants.html

New York State personal income tax rates and the New York City resident tax rates are published by the Department of Taxation and Finance. — New York State Department of Taxation and Finance, Tax rates and tables, https://www.tax.ny.gov/pit/file/tax-tables/

There are 5 Ontario income tax brackets and 5 corresponding tax rates. — Government of Ontario, Personal income tax, https://data.ontario.ca/dataset/personal-income-tax-rates-and-credits

Practitioner note

The Ontario-to-New York file is where the estate question surfaces earliest, because Bay Street movers often arrive with estates near or above New York's exemption. A client who intends to return to Canada can sometimes remain a Canadian domiciliary for estate purposes while being a New York statutory resident for income tax. That is a deliberate position with documentation, not a default.

See also: Weighing Florida instead? See the Canada-to-Florida guide.

Next step

Fairlight prepares the Ontario departure return, the RRSP position, and the first-year federal, New York State, and New York City returns. See cross-border pricing or book a call.