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How to register in Terrassa (2026)

Verified on:

Cost

Free

Free of charge

Time at office

15-30 minutes at the appointment

Estimated time

Immediately (voluntary in the moment)

Quick summary

Complete guide for registering in Terrassa. Requirements, necessary documents, where to do it at the OAC of Ajuntament de Terrassa and what is the municipal registry.

Required documents

  • ID card, passport or residence permit (TIE)

    Valid identification document of the applicant. For foreigners: passport, NIE or residence permit.

  • Documentation of address

    Lease agreement, property deed, or authorization from the owner if you reside with someone else.

  • ?

    Owner or landlord's authorization Optional

    If you register in a place where you are not the tenant, you need written authorization and a copy of their ID card.

    ⚠️ If you register with someone else’s residence

0 €
Free of charge €0.00
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€0.00

: 2026

Step by step

  • 1

    Make an appointment at the OAC of Ajuntament de Terrassa (recommended)

    Go to official site

    The Ajuntament de Terrassa manages registration through the Oficina d'Atenció Ciutadana (OAC), located in Raval de Montserrat, 14. It is recommended to make an appointment online or by phone to avoid waiting times.

    !

    Expert tip

    "You can also manage the registration online with a digital certificate or IdCat Mòbil from the Ajuntament de Terrassa's e-office."

  • 2

    Prepare the documentation

    Gather your ID card/passport/TIE and address documentation (lease agreement, property deed or owner authorization). If you have dependents, bring their documentation as well.

    !

    Expert tip

    "If you register in a relative’s home in Terrassa, you need their written authorization and a copy of their ID card. The Ajuntament may conduct a visit to verify in some cases."

  • 3

    Go to the OAC of Ajuntament de Terrassa

    Go to official site

    Head to the OAC at Raval de Montserrat, 14, with or without an appointment. The staff will provide you with the registration form for the municipal registry. Fill in the details correctly.

    !

    Expert tip

    "Make sure the address exactly matches what is on your lease agreement or property deed, including apartment number, staircase and floor, to avoid discrepancies."

  • 4

    Receive confirmation and voluntary form

    The Ajuntament de Terrassa processes the registration immediately. You can request a voluntary form for ID renewal, school enrollment or benefits at the same time.

Offices and service points - Terrassa

Ajuntament de Terrassa — Oficina d'Atenció Ciutadana (OAC)

Raval de Montserrat, 14, 08221 Terrassa

012 / +34 937 397 000
Monday to Friday: 08:30 - 14:30

Frequently asked questions

Why is registration important in Terrassa?
Registration verifies your residence in Terrassa and is necessary for: renewing the ID card if you change address, enrolling children in neighborhood schools, applying for municipal benefits, accessing public transportation discounts, and for foreigners, renewing their residency permit.
Can I register without a lease agreement?
Yes. If you live with family or friends, you can register with written authorization from the owner and a copy of their ID card. The Ajuntament de Terrassa may conduct a visit in some cases.
Can an undocumented foreigner register in Terrassa?
Yes. Registration is independent of administrative status. Any person residing in Terrassa has the right to register, even without residency documents. The Ajuntament does not inform immigration authorities.
Can I register online in Terrassa?
Yes, with a digital certificate or IdCat Mòbil you can register and request the voluntary form online from the Ajuntament de Terrassa's e-office.
How long does it take for registration to be effective in Terrassa?
Registration is immediate upon visiting the OAC. The voluntary form can be obtained immediately at the office or downloaded online if you have a digital certificate.

This procedure in other cities

Official sources and useful links

This guide is for informational purposes only. Always check the official source for current information.