Moving from Toronto to Phoenix: Taxes, RRSP, and the Chip-and-Finance Corridor

Toronto to Phoenix has turned into a real corridor over the last few years, built on Intel’s Chandler expansion, TSMC’s new fab, and a Scottsdale finance and healthcare cluster that increasingly recruits out of Bay Street and the GTA tech scene. The Canada-to-Arizona parent guide covers the general mechanics, including the snowbird-to-resident path that’s common in this corridor. This one covers what’s specific to leaving Ontario.

Why does Toronto’s tax rate drop so much in Phoenix?

Ontario layers a provincial bracket, a federal bracket, and a surtax on top of the provincial number, a structure that pushes exit-year filers past two separate surtax thresholds without much warning. Arizona replaced its graduated system with a single flat 2.5% rate starting in 2023, applied to all taxable income with no bracket to climb and no city adding its own income tax on top.

Tax	Toronto / Ontario	Phoenix / Arizona
Personal income tax	Up to 13.16%, plus 20%/36% surtax on basic tax above two thresholds	Flat 2.5%, no brackets
Combined with federal top rate	About 53.53%	About 39.5%
Sales tax	13% HST	About 8.6% combined (TPT)
Property tax (effective)	Roughly 0.6% to 1%	Roughly 0.6% to 0.8%
City-level income tax	None	None, Arizona cities don’t levy one
Estate tax	N/A	None at the state level

What happens to my Ontario taxes when I leave?

Ceasing Ontario residence triggers the standard departure tax: a deemed disposition of most property at fair market value on your last day of residence, with half of any resulting gain taxable on your final T1. That gain lands before you’re an Arizona resident, taxed at Ontario’s full surtax-augmented rates, and a large enough gain can push basic tax past both the 20% and 36% thresholds in the same exit year. Every step of this clears only two authorities, the CRA and Ontario, since Ontario carries no equivalent to a Quebec provincial return. The leaving-Canada checklist covers the T1161, the T1243, and the elections available to smooth the timing.

How does Arizona’s flat 2.5% tax actually work?

Arizona starts from federal adjusted gross income and applies 2.5% straight across, the lowest flat income tax rate of any state that has one. On $200,000 USD of employment income, Arizona’s state tax comes to roughly $5,000, a fraction of what the same income generates in Ontario provincial tax before the surtax even applies. Phoenix, Scottsdale, and every other Arizona city stay out of the income tax business entirely, so there’s no local add-on the way there is in cities like Denver or Detroit.

How does Arizona treat the RRSP and TFSA?

Arizona follows federal adjusted gross income as its starting point, and because the treaty deferral under Article XVIII keeps RRSP growth out of federal taxable income, there’s no state-level addback competing for the same money. The RRSP stays deferred at both levels until an actual withdrawal, with Canadian withholding, 15% periodic or 25% lump sum, generally absorbed by the foreign tax credit. At the 2.5% state rate, a $50,000 RRSP withdrawal carries only about $1,250 in Arizona tax on top of the federal bill.

• The TFSA doesn’t get the same pass. It’s still a foreign trust for US purposes regardless of which state you land in, meaning ongoing Form 3520/3520-A exposure that Arizona’s flat rate has no bearing on. The RRSP and TFSA guide covers the standard recommendation to collapse it before departure.

What happens to OHIP when I leave?

OHIP coverage continues for roughly three months past the date your Ontario residency ends, the bridge period to plan health coverage around, not assume away. The Ontario Health Premium, built into the provincial tax bill and running up to $900 a year, stops accruing the year after departure, and the Ontario Trillium Benefit stops the first month after residency ends. Arizona has no state health premium system to replace any of it, so the only planning question is timing US coverage to close the OHIP gap cleanly.

• Moving from Canada is a Special Enrollment Period event on the federal marketplace, giving 60 days from the move date to enroll in an employer plan or healthcare.gov coverage.
• The provincial health insurance guide covers the full OHIP wind-down sequence.

Why is Phoenix becoming a real corridor from Toronto?

Intel’s Chandler campus has expanded into one of its largest manufacturing sites anywhere, TSMC is building a new fab nearby, and Microchip Technology and GoDaddy round out a genuine tech base pulling talent that used to default to Austin or Seattle. Scottsdale runs a parallel finance cluster, Charles Schwab, PayPal, and Fidelity all have a major presence there, alongside Mayo Clinic’s Scottsdale campus, Banner Health, and HonorHealth on the healthcare side. Honeywell Aerospace is headquartered in Phoenix outright, with Raytheon/RTX and Boeing adding to the defense and aerospace base, and the metro’s construction and development boom keeps drawing real estate and project management hires directly out of the GTA.

Does sales tax and property tax go up or down?

Both move in the buyer’s favor, and the sales tax gap is large. Toronto’s 13% HST drops to a combined Arizona transaction privilege tax, Arizona’s version of sales tax, of roughly 5.6% state plus about 2.3% in Phoenix, landing near 8.6% combined. Property tax also runs lower: Maricopa County’s effective rate sits around 0.6% to 0.8% of market value, under Toronto’s roughly 0.6% to 1%, and Arizona has no state estate tax at all, simplifying the estate picture for anyone building assets in both countries.

Where do Toronto movers actually land in Phoenix?

It splits by industry and household stage. Chandler and Gilbert pull the Intel and semiconductor crowd wanting a short commute to the fab campuses, while Scottsdale draws finance and healthcare hires working at Schwab, Fidelity, or Mayo Clinic, often at a higher income band. Downtown Phoenix and the Arcadia neighborhood suit younger movers wanting walkability and a shorter drive into the core, and Ahwatukee and Gilbert’s family-oriented subdivisions attract households prioritizing newer construction and school districts. Snowbirds converting from seasonal to permanent residency tend to already own in Scottsdale or Paradise Valley before the move becomes official.

What should I do before the move?

Pin the departure date early, since it fixes the surtax exposure on your final Ontario return and starts both the OHIP and Trillium clocks running. Get any non-registered account gains and unvested equity documented before departure so the deemed disposition is worked through deliberately rather than discovered at filing time. Decide what happens to the TFSA before you leave, not after, and line up US health coverage before the OHIP window closes.

• Moving from Canada to Arizona, the parent guide covering the snowbird-to-resident path
• Toronto to Houston and Toronto to Dallas, the zero-state-tax alternatives
• Toronto to Austin, the sibling tech corridor with no state income tax
• Toronto to Miami, the no-income-tax coastal alternative
• Toronto to Charlotte, the banking corridor with NC’s flat 4.5%
• Toronto to Denver, the sibling flat-tax mountain corridor
• Toronto to Nashville, the healthcare corridor with zero state tax
• Canada’s departure tax, T1161 and T1243, and the leaving-Canada checklist
• RRSP and TFSA after moving to the US and the US-Canada tax treaty explained
• Your first US tax return as a new Canadian immigrant
• Provincial health insurance when leaving Canada and state income tax for cross-border filers
• Montreal to Phoenix, the aerospace corridor from Quebec
• Vancouver to Phoenix, the tech and semiconductor corridor from BC
• Calgary to Phoenix, the energy-to-aerospace corridor from Alberta
• Ottawa to Phoenix, the defence-to-aerospace corridor from Ontario

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.