Canadian Parents Gifting Money to US Children: No Gift Tax Anywhere — One Form for the Kids, One Trap for the Parents

This is the transfer the rules genuinely favor, spoiled only by execution errors. The tax architecture: Canada imposes no gift tax at any amount — a Toronto parent can wire C$1 million to a Dallas daughter and Canada's only interest is in what the parent gave away, not the giving. The US gift tax applies to donors, not recipients, and a nonresident alien donor is outside it except for gifts of US-situs property — US real estate and tangible property in the US being the live categories; gifts of cash from a Canadian account, or of Canadian securities, by a Canadian parent are simply not subject to US gift tax regardless of size. The recipient's side is reporting, not tax: a US person receiving more than $100,000 in a year from a nonresident alien (aggregating gifts from related foreign persons — both parents count together) files Form 3520, Part IV with their return — no tax attaches, and the 5%-per-month-to-25% penalty for skipping it is the entire risk of the structure. The traps are three, all avoidable. The parent's deemed disposition: gifting appreciated property — the cottage, the stock portfolio, the private company shares — is a disposition at fair market value in Canada, taxing the accrued gain on the parent's return exactly as a sale would; cash is clean, property is a tax event, and the standard sequence is sell, pay the Canadian tax, gift the proceeds (same Canadian tax, cleaner basis for the child). The situs trap: helping the child buy the Florida condo by putting the parent's name on US real estate, then gifting the interest, converts a non-event into a US-situs gift with almost no exclusion — fund the child's purchase with cash instead. And the structure trap: routing the gift through vehicles — the family trust, the joint account, the "loan" nobody documents — imports foreign-trust reporting, attribution, or imputed-interest analysis into what a wire transfer would have finished; the strongest structure for a parental gift is usually no structure.

Key takeaways

• No gift tax either side for cash and Canadian assets: Canada has none; US gift tax doesn't reach a nonresident donor's non-US-situs gifts. Amounts are unlimited by tax law.
• The child's Form 3520: required over $100,000 aggregated per year from the foreign parent(s); filed with the return; penalties for silence up to 25% of the gift. The one document the whole structure needs.
• The parent's Canadian side: gifts of appreciated property are deemed sold at FMV — capital gains tax now, on the parent's return. Cash gifts have no Canadian consequence; the sell-then-gift sequence prices identically and papers better.
• US-situs assets are the exception: a Canadian parent's gift of US real estate or US-situated tangible property is within the US gift tax with a minimal exclusion — fund purchases with cash, don't transfer US property interests.
• The child's basis: gifted property carries the parent's basis for US purposes generally (with FMV rules for loss property) — while the Canadian deemed disposition reset nothing for the US ledger; cash gifts sidestep the whole dual-basis question, one more argument for liquidating first.
• Attribution and minors: gifts to adult children carry no Canadian attribution; gifts for minor US children route into the kiddie-tax and account-titling analysis — the ITF and custodial-account rules — before the wire, not after.

Executing the clean version

The choreography for a substantial parental gift: parent liquidates the assets being given (Canadian tax on gains settles on the parent's return); a documented wire moves cash — bank records naming both parties, a one-page gift letter reciting donative intent (useful for the child's bank, mortgage lender, and any future questioner); the child calendars the 3520 with that year's return; and the child invests in their own name in US-clean holdings. For recurring support rather than lump sums, the same rules apply at any size — the $100,000 reporting line is the only threshold in the system, and staying under it merely spares the child a form, not any tax.

Worked example

A Mississauga couple wants to give their Austin son US$400,000 toward a house. Their holdings earmarked for it: C$540,000 of Canadian equity funds with C$160,000 of accrued gains. Execution: they sell the funds in Canada — C$80,000 taxable gain across their two returns, roughly C$34,000 of Canadian tax, exactly what any disposition would cost — and wire US$400,000 with a signed gift letter. Their son files Form 3520 with his return reporting a US$400,000 gift from foreign persons: no US tax, one schedule, penalty exposure of up to US$100,000 extinguished by filing. His lender sources the down payment from the letter without friction. The alternatives they declined, priced: gifting the funds in kind (same C$34,000 Canadian tax via deemed disposition, plus the son inherits carryover-basis PFICs — Forms 8621 forever); buying the house themselves and adding him to title (a US-situs gift of real property with near-zero exclusion — actual US gift tax); and the undocumented family loan (imputed-interest analysis on the US side, awkward questions at his refinance). The wire with a letter beat every clever version — total system-wide cost, one Canadian gain that was always embedded, and a single information form.

Official sources

"For gifts or bequests from a nonresident alien or foreign estate, you are required to report the receipt of such gifts or bequests only if the aggregate amount received from that nonresident alien or foreign estate ... exceeds $100,000 during the taxable year." The penalty is "five percent of the value of the gift or bequest for each month" of non-reporting, "not to exceed 25 percent," absent reasonable cause. — Internal Revenue Service, Gifts from foreign person, https://www.irs.gov/businesses/gifts-from-foreign-person

The CRA explains how to calculate and report capital gains and losses, including the inclusion rate and the treatment of net capital losses. — Canada Revenue Agency, Capital gains, https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-return/completing-a-tax-return/personal-income/line-12700-capital-gains.html

Practitioner note

Parental gifts southbound are the transaction where doing less is doing it right: cash, wire, letter, and the child's 3520 — no trusts, no titles, no loans-in-name-only. The two conversations we insist on having first are the parent's deemed disposition (the gain is real and belongs to the parent's return, so choose which assets fund the gift) and the situs rule (help buy the condo with money, never with your name on American dirt).

See also: Browse every cross-border tax topic guide, organized by situation · Short version: Gifts Across the Border: The US Gift Tax, Canada's Deemed Disposition, and the Form 3520 Threshold.

Next step

Fairlight prepares the family gift plan — asset selection and the parent's Canadian gain, wire and gift-letter documentation, the child's 3520 calendar, and the account design that receives the funds US-clean. See cross-border pricing or book a call.