Before you start

Tax identification number (adóazonosító jel)
Address card
Determination of Hungarian tax residence
NAV online account (Ügyfélkapu / DÁP) for the draft return

Step-by-step

1
Get the tax number before your first payday
The adóazonosító jel comes from NAV and an employer cannot legally pay you without it. It requires the address card. This ordering catches out foreign employees whose landlord paperwork ran late.
In personWho: YouBefore first salary
2
Establish whether you are a Hungarian tax resident
Hungary applies the usual tests — permanent home, centre of vital interests, habitual abode, and presence over 183 days. Residence brings worldwide income into scope. Anyone with foreign income should get this settled explicitly and check the applicable double tax treaty.
OnlineWho: You
3
Accept or amend the NAV draft return each spring
NAV prepares a draft personal income tax return from employer data and makes it available online in the spring, with a filing deadline in May. Most employees review it, accept it and are done. It becomes final automatically if you do nothing, which is convenient and occasionally wrong.
OnlineWho: YouSpring, deadline in May
4
Claim the family tax allowance through payroll
The family allowance reduces the tax base per dependent child and was increased for 2026. It is claimed through a declaration to your employer so the benefit arrives monthly rather than as a refund. Employers do not apply it unless you declare.
Via employerWho: You
5
Check whether one of the exemptions applies to your household
Under-25s are exempt up to a cap; mothers under 30 with a child are exempt; mothers of three have been exempt for life since 1 October 2025; mothers of two are being phased in from 1 January 2026, beginning with those under 40 and widening by age cohort through 2029. These are declared, not automatic.
Via employerWho: You
6
Register for the local business tax if you are self-employed
Hungarian municipalities levy a local business tax (iparűzési adó) on adjusted turnover rather than on profit, at a rate the municipality sets. Budapest districts apply it. It catches freelancers who budgeted only for national tax and social contributions.
OnlineWho: You

Documents you’ll need

Tax identification number and address card
Annual income certificate from the employer
NAV online portal credentials
Declarations for family allowance or exemption
Records of foreign income and any double tax treaty position

Things most newcomers don’t know

Hungary's family tax policy is the most aggressive in the EU and it is expanding on a published timetable.

On top of the flat 15%, mothers of four or more have long been exempt for life. Mothers of three joined them from 1 October 2025. Mothers of two are being phased in from 1 January 2026, starting with those under 40 and adding older cohorts in 2027, 2028 and 2029. Mothers under 30 with a child are exempt, with the income cap removed from January 2026, and under-25s are exempt up to a cap. Two colleagues on identical gross salaries can take home very different amounts, and none of it applies unless declared.

Source: NAV

NAV writes your tax return for you, and it becomes final if you ignore it.

Hungary prepares a draft personal income tax return from employer and payer data and publishes it online each spring. Accepting it is the whole process for most employees. The catch is that it becomes final automatically at the deadline whether or not you looked, so a missing allowance or an unreported foreign income item silently locks in. Open it once a year even if you expect to change nothing.

Source: NAV

The local business tax is levied on turnover, not profit, and it surprises every new freelancer.

Hungarian municipalities charge iparűzési adó on adjusted net revenue rather than on profit, at a rate the municipality sets up to a statutory maximum. A freelancer with high turnover and thin margins pays it regardless of whether the year was profitable. It is separate from the 15% income tax and from social contributions, and it is the single most commonly omitted line in a Hungarian freelance budget.

Source: NAV; Budapest municipal tax regulations

Hungary taxes on worldwide income once you are resident, and the treaty position matters more than usual.

Hungary has an extensive treaty network but its treaties have been renegotiated in recent years — the United States treaty in particular lapsed at the start of 2024, which materially changed the position for Americans living here. Anyone with income or assets in another country should establish their treaty position on current facts rather than on a summary written before that change.

Source: NAV