How Are Americans Taxed When They Live on the French Riviera?
Buyer's Agent France - Guide
Short answer: once your home is on the French Riviera you will normally become a French tax resident, taxed by France on your worldwide income. As a US citizen you must still file a US tax return every year. The France–US tax treaty and foreign tax credits prevent most double taxation. The paperwork still doubles, and some items, such as French social charges and investment funds, need careful planning before you move.
Key takeaways
- French tax residency depends on where your home, main activity or economic interests are. “183 days” is an indicator, not the legal test.
- Under the treaty, US Social Security and US pension or IRA distributions are taxable in the US. France takes them into account but gives a matching credit.
- From 1 January 2026, French social charges on dividends and interest rose to 18.6%, so the flat tax is now 31.4%.
- US citizens keep filing Form 1040, plus FBAR and often Form 8938. In France, every US account must be declared on form 3916.
- Owning Riviera property can bring IFI (real-estate wealth tax) above €1.3 million net, plus taxe foncière and, for second homes, taxe d’habitation with local surcharges.
This article is general information reflecting the rules as of October 2026, not tax advice. Cross-border US–French situations are complex: always work with an adviser qualified in both systems.
When do you become a French tax resident?
Under Article 4 B of the French Tax Code, you are a French tax resident if any one of these tests is met:
- your home (foyer) or your principal place of stay is in France;
- you carry out your main professional activity in France; or
- the centre of your economic interests is in France.
Spending more than six months a year in France is a strong indicator, but the French administration states it is not an absolute criterion. If you also count as resident in the US under its own rules, the treaty “tie-breaker” rules decide which country is your residence for treaty purposes. US citizenship itself never switches off your US filing duty.
Your first French return is filed in the spring after you arrive. For 2025 income, the online deadline in the Alpes-Maritimes (06) was 21 May 2026.
What the IRS still expects from you
The United States taxes its citizens on worldwide income wherever they live. Living on the Côte d’Azur typically means:
- Form 1040 every year. Americans abroad get an automatic extension to June 15, but interest runs from April 15.
- Foreign Earned Income Exclusion (Form 2555) for earned income only: $130,000 for 2025 and $132,900 for 2026.
- Foreign Tax Credit (Form 1116) for French tax paid. The IRS has confirmed that French CSG and CRDS are creditable taxes.
- FBAR (FinCEN Form 114) if your foreign accounts together exceed $10,000 at any time in the year. It is due April 15, with an automatic extension to October 15, and is filed with FinCEN, not the IRS.
- Form 8938 (FATCA) for taxpayers living abroad, if specified foreign assets exceed $200,000 at year end or $300,000 at any time (single), or $400,000 / $600,000 (married filing jointly).
How the France–US tax treaty treats your US income
The France–US income tax treaty (1994, amended in 2004 and 2009) contains a “saving clause” that lets the US continue to tax its citizens, with exceptions. The points that matter most to Americans moving to the Riviera are:
- US Social Security and US pensions: payments from US Social Security, and distributions from US pension plans such as 401(k)s and IRAs, are taxable in the United States. France includes them when working out your French tax rate, but gives a credit equal to the French tax on that income. In effect they are exempt, but they can push your other French income into a higher bracket.
- Recognised retirement plans: France treats US Social Security, 401(a) plans, IRAs, SIMPLE IRAs and 403(a)/(b) plans as equivalent to French plans. Roth IRAs are not expressly covered, so their French treatment needs specific advice.
- US dividends: US withholding is capped at 15% (5% for qualifying company shareholdings). France then taxes the dividend and gives a credit.
- Social security contributions: a separate US–France totalization agreement (in force since 1988) avoids double social security contributions and lets you combine work credits. It does not cover healthcare or Medicare.
French income tax and social charges in 2026
Income tax. For 2025 income, the progressive rates per household “part” are: 0% up to €11,600, 11% to €29,579, 30% to €84,577, 41% to €181,917 and 45% above. France taxes the household together and divides income by family “parts”, which often benefits couples and families. A 20% minimum effective rate applies to very high incomes, above €250,000 of reference income for a single person or €500,000 for a couple.
Social charges (prélèvements sociaux). Since 1 January 2026:
- 18.6% on dividends, interest, securities gains and furnished-rental income;
- 17.2% on unfurnished rental income, real-estate capital gains and life insurance.
The flat tax (PFU) on dividends and interest is therefore 31.4% (12.8% income tax plus 18.6% social charges), unless you opt for the progressive scale. People covered by an EU/EEA or Swiss social security system pay a reduced rate, but Americans do not benefit from that exemption, and the totalization agreement does not change this.
A trap for US investors: many French and EU investment funds and savings products are treated by the IRS as PFICs (passive foreign investment companies), which are taxed punitively in the US. Coordinate any French investments with your US adviser.
Declaring your US accounts in France
Once you are French tax resident, you must declare every account held outside France, including US checking, brokerage and digital-asset accounts, on form 3916 / 3916-bis with your annual return, even if you close the account during the year. The penalty is €1,500 per undeclared account, on top of any tax due on hidden income. Our guide to banking and moving money to the French Riviera covers the practical side.
Taxes on owning property on the Riviera
IFI – the real-estate wealth tax
IFI applies when your net taxable real estate exceeds €1.3 million on 1 January. Rates range from 0.5% to 1.5% (0% on the first €800,000 once you are over the threshold), and your main home benefits from a 30% reduction in value. Non-residents pay IFI only on French real estate. New French residents who were not tax resident in France in the previous five calendar years are also taxed only on their French real estate for their first five years.
Local taxes
- Taxe foncière: the annual property tax, paid by whoever owns the property on 1 January.
- Taxe d’habitation: abolished for main residences, but still due on second homes. In high-demand areas communes can add a surcharge of 5% to 60%. Many Riviera communes, including Nice, apply it, so check your commune’s current rate before you buy.
When you sell
Capital gains on French property are taxed at 19% plus 17.2% social charges, with an extra surtax of 2% to 6% on gains above €50,000. Your main residence is exempt. Otherwise, taper relief gives full exemption from income tax after 22 years of ownership and from social charges after 30 years.
Inheritance: choose your law, and know France's rules for children
Under the EU Succession Regulation, the law of your habitual residence (France, once you move) applies by default. However, you can choose in your will the law of your nationality, for example US state law. Since 2021, French law allows children who would receive nothing under a chosen foreign law to claim their French “reserved share” out of assets located in France, in certain situations. A separate US–France estate and gift tax treaty (1978, amended in 2004) also applies. Review your will and trust structures with French and US advisers before you buy.
Before you move: a practical checklist
- Appoint a tax adviser who handles both US and French returns before you move, and agree your official date of departure.
- Review US retirement accounts, especially Roth IRAs, and any non-US funds (PFIC risk).
- Decide how you will hold your Riviera property (personally, jointly or via a company). This affects inheritance, IFI and capital gains.
- Keep records of foreign accounts for FBAR, Form 8938 and French form 3916.
- Build local taxes (taxe foncière and, for a second home, taxe d’habitation with surcharge) into your budget.
Buyer’s Agent France works exclusively for property buyers. We don’t give tax advice, but we work alongside your advisers so that the property you choose on the French Riviera, and the way you buy it, fits your tax plan.
Frequently asked questions
Do Americans living in France have to pay US taxes?
Yes. US citizens must file a US federal return every year wherever they live. The Foreign Earned Income Exclusion, foreign tax credits and the France–US tax treaty usually prevent most double taxation, but filing remains mandatory.
Is US Social Security taxed in France?
Under the France–US treaty, US Social Security paid to a French resident is taxable in the United States. France includes it when calculating your rate on other income but gives a credit equal to the French tax on it, so it is effectively not taxed twice.
Do I become a French tax resident after 183 days?
Not automatically. French residency depends on where your home or principal place of stay, your main professional activity or your centre of economic interests are located. Spending over six months in France is a strong indicator but not the legal test.
What is the French flat tax rate in 2026?
From 1 January 2026 the flat tax (PFU) on dividends and interest is 31.4%: 12.8% income tax plus 18.6% social charges. Real-estate gains and unfurnished rental income remain subject to 17.2% social charges.
Do I pay French wealth tax as an American?
France only has a real-estate wealth tax (IFI). It applies if your net taxable real estate exceeds €1.3 million. New residents are taxed only on their French real estate for their first five years of French tax residence.
Do I need to declare my US bank accounts in France?
Yes. French tax residents must declare every foreign account, including US accounts, on form 3916 each year. The penalty is €1,500 per undeclared account.
Sources
- BOFiP – French tax residency criteria (Art. 4 B CGI)
- IRS – US citizens and resident aliens abroad
- IRS – Foreign Earned Income Exclusion amounts
- IRS – FBAR reporting
- IRS – Comparison of Form 8938 and FBAR
- IRS – France–US income tax treaty
- US Treasury – 2004 protocol to the France–US treaty
- SSA – US–France totalization agreement
- Service-Public – 2026 income tax brackets
- Service-Public – Social charges on capital income
- Service-Public – IFI real-estate wealth tax
- Service-Public – Capital gains on property sales
- impots.gouv.fr – Form 3916 (foreign accounts)
Last reviewed: October 2026. This article is general information, not legal, tax or immigration advice. Rules and fees change; please check the official sources above and take professional advice for your situation.
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