Before you start

NIE
Passport
Padrón certificate, for a resident account
Proof of income or employment, commonly requested

Step-by-step

1
Open a digital account immediately for day-to-day use
Revolut, N26, Wise and the Spanish neobanks open accounts quickly on a passport and NIE, giving you a usable IBAN in days rather than weeks. This covers your first rent payment and utilities while a branch account is arranged.
Mobile appWho: YouWeek 1
2
Consider a Basque cooperative bank as well as a national one
Kutxabank and Laboral Kutxa are deeply embedded in Bizkaia, have branches everywhere including small towns, and handle local payroll and municipal arrangements as a matter of routine. For someone settling here rather than passing through, they are often a better fit than a national bank's branch.
In personWho: You
3
Insist on a resident account once you have the padrón
Non-resident accounts carry higher fees and require a periodically renewed certificate. Once registered on the padrón you qualify as resident for banking purposes — bring the certificate and check which product was actually opened.
In personWho: You
4
Compare maintenance fees carefully
Spanish current accounts commonly carry monthly or quarterly maintenance charges, often waived if you direct your salary and a set number of direct debits into the account. The waiver conditions vary a lot between banks and determine what the account actually costs.
In personWho: You
5
Set up domiciliación for your bills
Rent, utilities, phone, taxes and social security all run on direct debit. Note that your income tax here is paid to the Diputación Foral de Bizkaia rather than the state agency, so the payment arrangements and the portal are different from the rest of Spain.
Mobile appWho: You
6
Understand the foral foreign-asset reporting position
Bizkaia has its own equivalent of the state's foreign-asset declaration, administered by the Hacienda Foral rather than by the Agencia Tributaria. The obligation is real, the deadline is its own, and it is filed with the provincial treasury. Confirm the current form and deadline with a Bizkaia-based adviser rather than assuming the state rules apply.
OnlineWho: You

Documents you’ll need

NIE
Passport
Padrón certificate, for a resident account
Employment contract or proof of income
Spanish mobile number

Things most newcomers don’t know

Your tax payments go to Bizkaia, not to the Spanish state, and the plumbing is different.

Because the Diputación Foral collects income tax here, the portal, the credentials, the payment references and the deadlines all differ from the Agencia Tributaria's. Setting up a direct debit for a state tax payment you do not owe, or missing a foral deadline because you were watching the state calendar, are both common first-year mistakes. Bookmark the Bizkaia site rather than the national one.

Source: Diputación Foral de Bizkaia

The Basque cooperative banks are a genuine option, not a curiosity.

Kutxabank and Laboral Kutxa hold very large shares of the regional market, have branch coverage in places national banks have abandoned, and are used to handling local employers' payroll and the province's own administrative arrangements. For someone intending to stay, that local depth is worth more than a national brand — and their fee structures are typically competitive on ordinary salary accounts.

Source: community-reported

The resident/non-resident distinction is a real and recurring cost.

A non-resident account carries higher fees and depends on a certificate that must be renewed; if it lapses, banks can restrict the account. Once you are on the padrón you qualify as resident. Many newcomers open a non-resident account on arrival, never convert it, and pay more for years.

Source: Banco de España

Heating, not cooling, is the seasonal bill here.

Every other Spanish city in this set is a summer air-conditioning problem. Bilbao is an oceanic climate with mild summers and damp cool winters, so the seasonal cost is heating and dehumidifying rather than cooling. Older flats in Casco Viejo and Deusto can be genuinely damp, and a gas or electric heating bill from December to March is the line most newcomers from southern Spain have not budgeted for.

Source: community-reported

Common mistakes to avoid

Watching the Agencia Tributaria's calendar when your obligations run to the Hacienda Foral de Bizkaia.
Opening a non-resident account and never converting it once you are on the padrón.
Not asking what conditions waive the monthly maintenance fee.
Overlooking the Basque cooperative banks, which are often the better local fit.
Budgeting for a Spanish cooling bill and being caught by a Bilbao heating one.

Some of this may be out of date. Spotted something inaccurate? Help us keep it right for the next newcomer.