Do I have to file at home while living in Netherlands?
For most people the answer turns on whether the ties that made them resident have actually ended. For a US citizen or green-card holder it does not: the return is due in Netherlands exactly as it would be at home. Everything else on the file follows from which of those you are.
Is there a treaty between my country and Netherlands?
Possibly, and the version in force for your year is the one that matters — protocols and multilateral-instrument positions change what a treaty does without changing its name. We check it against the authority rather than a summary. Where no treaty applies, domestic relief takes over.
I own property in Netherlands. Where is the rent taxed?
Rent from immovable property is almost always taxable where the property is situated, frequently by withholding on the gross amount, with your home country taxing the same income and giving credit. A net-basis election, where one exists, is usually the difference between tax on profit and tax on turnover.
How do I tell the tax office at home that I have left for the Netherlands?
Mostly through the return for the year you leave rather than through a separate announcement. That return states the date residence ended and splits the year accordingly, and it is the document your position rests on afterwards. What supports it is the evidence gathered at the time, the disposal or long letting of the home, the family's movements, the Dutch registration and housing, and the ties closed at home. Assemble that file in the month you move, when the paperwork exists and is easy to obtain. Reconstructing it three years later, when a query arrives, is the same work done badly.
Does departure tax apply if I move to the Netherlands?
Where your home country charges on emigration, the mechanism is that you are generally treated as having disposed of most of your property at market value on the day residence ends, and taxed on the resulting gain even though nothing was sold and no cash came in. Certain categories of property are excluded from that treatment, and which ones depends on your own country's rules. The consequences are an inventory to build, values to fix at the departure date and evidence to keep, and a cash position to plan for, because tax can fall due on gains that are still entirely on paper.
Can I keep my house at home when I move to the Netherlands?
You can, but keeping it available for your own use is one of the strongest indicators that residence never ended, particularly alongside other ties. A property let to an arm's length tenant on a proper lease for the period you are away reads very differently from one left furnished and empty, or lent to family, with your possessions still in it. No single fact decides residence on its own, and this one is weighed with the others. If the house is being kept, we say plainly what that does to the position rather than filing a departure return and hoping it is not examined.
Do I still have to file a US return after moving to the Netherlands?
Yes, if you are a US citizen or a green card holder. That filing follows status rather than address, so it does not end when you register in the Netherlands. Relief for the same employment income can be claimed by more than one route, and the choice made in the first year affects later years rather than being reopened annually, so it is worth deciding deliberately at the start of an assignment. Foreign account and asset reporting begins as soon as the Dutch accounts are opened, triggered by holding them rather than by any income they produce.
When does Dutch payroll start deducting tax from my salary?
From the point the employment is being carried on in the Netherlands, which is usually when you start work there rather than when the paperwork catches up. Two things commonly go wrong in the first months. The home payroll keeps deducting as though nothing had changed, so tax is being collected by two countries on the same salary at once, and any expatriate facility that might apply has not yet been granted, so the withholding is higher than it will settle at. Both are fixable, but they are much easier to fix in the first weeks than at the end of the year.
Which country taxes a bonus paid after I move to the Netherlands?
Generally the country where the work that earned it was performed, rather than the country you were living in on the day it was paid. So a bonus for a period worked at home, paid after the move, is usually sourced to the earlier period, and the same logic applies in reverse to a payment that arrives at home for Dutch service. Share awards that vest over a period straddling the move are apportioned on the same reasoning. Payroll systems tend to tax by payment date, so this is one of the corrections that has to be made deliberately rather than being caught automatically.
What is a totalization agreement and how do I use one?
A social security agreement that stops you contributing to two systems for the same work, and lets periods in both count towards benefit eligibility in either. Which system you stay in depends on the agreement's rules for your situation — a seconded employee usually remains in the home system for a set period, a locally hired one usually joins the host system. You evidence it with a certificate of coverage obtained before or shortly after the assignment starts. See certificates of coverage.
How would a foreign tax authority know I am resident there?
Mostly from information you or your bank already provided. Account-opening forms ask you to self-certify tax residence, and that certification is reported between authorities under the Common Reporting Standard or, for US accounts, under the FATCA framework. Beyond that: employer and payroll filings, property registries, immigration records and the tax filings of anyone who paid you. The realistic planning assumption is that the data arrives. See FATCA and information reporting.