Family law

Foster Care in Spain: Types and Differences with Adoption

By the AbogadoAI editorial team · Updated 18 July 2026 · 11 min read

🇪🇸 Read the original in Spanish

Protecting children is one of the most noble and complex pillars of the Spanish legal system, especially when a minor cannot live with their biological parents due to situations of abandonment, risk, or violence. To channel this protection, our Family Law offers two essential but profoundly different legal figures: foster care and adoption. Understanding their legal boundaries, procedures, and financial implications is crucial for families wishing to open their homes to a minor, always guaranteeing the best interests of the child over any other circumstance.

Foster care—known in Spain as acogimiento familiar—is a temporary child protection measure that grants the custody of a child or adolescent to a person or family unit. The goal is to provide them with an ideal environment for their development when, due to various circumstances, they cannot be cared for by their biological parents.

Contrary to what many believe, foster care does not break the minor's legal ties with their family of origin. The minor retains their surnames, parentage, and, in the vast majority of cases, a visitation regime with their biological parents.

The regulatory framework of reference in Spain is built upon the following legal foundations:

Types of foster care in Spain

The Spanish Civil Code distinguishes various modalities of acogimiento familiar depending on the relationship of the foster family and the duration or purpose of the measure.

According to the family relationship

According to its purpose and duration (Article 173 bis of the Civil Code)

Key differences between foster care and adoption

It is very common to confuse both figures, but legally they operate in completely opposite ways. Below, we analyze the fundamental differences:

| Criterion | Foster Care (Acogimiento Familiar) | Adoption (Adopción) | | :--- | :--- | :--- | | Legal Tie | Does not break biological parentage. The minor keeps their original surnames. | Irrevocably breaks the legal relationship with the biological family. The minor acquires the adoptive parents' surnames. | | Duration | Temporary by nature (ranging from months to the age of majority). | Permanent and irrevocable. It is for life. | | *Parental Authority (Patria Potestad) | Usually retained by the biological family or the Public Entity. Foster parents only have custody (guarda). | Becomes exclusively exercised by the adoptive parents. | | Inheritance and Succession | The fostered minor is not a forced heir (heredero forzoso) of the foster parents (unless a will is made respecting the legal portions or legítimas*). | The adopted minor has exactly the same inheritance rights as a biological child. | | Financial Support | The Administration grants monthly financial aid for the support of the minor. | There is no specific financial aid for the fact of adopting (except for general tax deductions). |

Practical step-by-step procedures to foster a minor

If you reside in Spain and wish to start the foster care process, you must follow these administrative and judicial steps:

  1. Information and Awareness: Go to the Public Child Protection Entity of your Autonomous Community (or authorized collaborating associations) to attend the mandatory information sessions.
  2. Submission of the Application: Complete the official foster care application form, providing personal documentation (criminal record certificate, certificate of life and marital status or fe de vida y estado, tax return, medical reports, etc.).
  3. *Suitability Assessment Process (Valoración de Idoneidad):* Social workers and psychologists from the Administration will conduct personal interviews, psychometric tests, and home visits to evaluate the applicants' emotional, social, and financial suitability.
  4. Training Course: Attend the mandatory training sessions to prepare the family for the challenges of foster care (managing visits with the biological family, conflict resolution, etc.).
  5. *Declaration of Suitability (Declaración de Idoneidad): If the technical report is favorable, the Public Entity issues an administrative resolution declaring the family "Suitable for foster care" (Apta para el acogimiento*).
  6. Matching and Selection Phase: When there is a minor who fits the family's profile, a period of progressive visits and contacts begins at a Family Meeting Point (Punto de Encuentro Familiar) or a minors' center.
  7. Formalization of Foster Care: The foster care agreement is signed (which can be administrative or require judicial approval if the biological parents object).

Deadlines, amounts, and key figures in foster care

The foster care process and its support are regulated by very strict figures and deadlines that guarantee the legal safety of the minor:

Practical examples with real figures

Example 1: The temporary foster care of Carlos

Let's imagine that the mother of Carlos, an 8-year-old boy, must enter a rehabilitation center for addiction problems for an estimated period of one year. The Public Entity declares the minor to be in a situation of abandonment and proposes temporary foster care.

An external family declared suitable welcomes Carlos into their home. During the 14 months that the process lasts, the foster family receives public aid of 450 € per month for the minor's expenses. Carlos maintains biweekly visits of 2 hours with his biological mother at a Family Meeting Point. Once the mother is medically discharged and demonstrates socio-family stability, the foster care ends and Carlos returns to his mother.

Example 2: The permanent foster care of Lucía

Lucía is 12 years old and her biological parents have permanently lost their patria potestad due to a serious situation of family abuse framed under the scope of Organic Law 1/2004. Since there are no relatives in her extended network who can take charge, Lucía is fostered permanently by a couple.

The foster family assumes custody of Lucía until she turns 18 years old. During these 6 years of foster care, the family receives an allowance of 500 € per month. Legally, Lucía retains her biological surnames but grows up in a stable family environment. Upon reaching the age of majority, the foster care formally expires, although the emotional relationship continues.

Mistakes you should avoid

Frequently Asked Questions (FAQ)

Can a foreigner residing in Spain foster a minor?

Yes, fully. Foreign citizens who have their legal and effective residence in Spain can apply for foster care. They must undergo the same suitability assessment process as Spanish citizens and demonstrate residential and financial stability.

What happens when the fostered minor turns 18?

Upon reaching the age of majority, foster care automatically expires by operation of law. However, many families continue to live with the young person under emancipation support schemes. There are public aid programs for former foster youth between 18 and 25 years old to facilitate their integration into the labor and housing markets.

Can you adopt a child you have in foster care?

It is legally possible, but exceptional. It is referred to as the transition from foster care to adoption (paso de acogimiento a adopción). It only occurs if the Public Entity determines that family reintegration with the biological parents is unfeasible and that adoption is the measure that best guarantees the best interests of the minor, prioritizing the foster family who already has a consolidated emotional bond with them.

Can I choose the age or gender of the minor to foster?

During the suitability assessment process, technicians analyze the profile of the applicants and define a "suitability range". Families can express their preferences (for example, babies, sibling groups, or children under 10 years old), but the final decision will always be made seeking the well-being of the minor who needs foster care, not the desire of the adults.

In summary

General legal information, not personalised legal advice. For your specific situation, ask your question for free at AbogadoAI — answers grounded in Spanish law (BOE), in English.

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This is general information, not legal advice. Verify on the BOE or consult a lawyer for your specific case.