The IAE for landlords in Spain: when rental activity becomes a business and what it costs

The Impuesto sobre Actividades Economicas (IAE) is a municipal business tax that applies to the mere exercise of an economic activity in Spain, but the overwhelming majority of individual landlords never pay it. Article 82.1.c) of the LRHL exempts resident individuals from the IAE without any turnover ceiling, which means a private landlord letting one flat or ten pays nothing. The tax only bites companies, civil partnerships and non-resident permanent establishments whose net turnover from all activities exceeds EUR 1,000,000, and even then the cuota is modest and calculated off cadastral values rather than rent. A July 2025 Tribunal Supremo ruling has also clarified the boundary between passive property income and business activity, making the full-time employee test under Article 27.2 of the LIRPF both necessary and sufficient. Understanding where the exemption ends, and when rental crosses from passive income into a business activity, is what separates a routine let from a tax obligation few private owners ever face.

What is the IAE and who does it tax?

The IAE is a direct municipal tax on the exercise of any business, professional or artistic activity in Spanish territory, whether or not it is carried out in a fixed premises and whether or not it appears in the tariff list. Article 78 of the LRHL (Real Decreto Legislativo 2/2004) defines the hecho imponible as the mere exercise of the activity, and Article 79 sets the economic activity test: the activity must involve ordering production means and human resources on one’s own account to intervene in the production or distribution of goods or services. The tax is managed jointly by the AEAT, which handles the census and quota calculation, and the town hall, which handles liquidation and collection. Since 1 January 2026, the inspection of the IAE has been delegated to additional town halls and provincial councils under Orden HAC/1509/2025, with the AEAT retaining census management.

Are individual landlords exempt from the IAE?

Yes, unconditionally. Article 82.1.c) of the LRHL exempts resident individuals (personas fisicas residentes) from the IAE, with no turnover limit. The EUR 1,000,000 turnover threshold that appears in the same provision applies only to the other two categories of taxpayer it lists: sujetos pasivos del Impuesto sobre Sociedades, civil partnerships and the entities of Article 35.4 of the General Tax Law, and contribuyentes por el Impuesto sobre la Renta de no Residentes operating through a permanent establishment. The Agencia Tributaria confirms this on its tourist-let guidance page: the exemption for resident individuals is total, and the seven-figure threshold governs only corporate taxpayers.

This means a resident Spanish owner with a portfolio of ten long-term lets, and a high-net-worth resident individual collecting EUR 800,000 a year in rent both fall outside the IAE. Non-resident individuals letting Spanish property without a permanent establishment are treated as IRNR taxpayers and are not listed in the Article 82.1.c) exemption for individuals, but in practice the IAE is not enforced against non-resident individual landlords who do not operate through a permanent establishment. The exemption is automatic for resident individuals and does not require a communication to the AEAT, as Article 82.3 makes clear.

When does a company landlord lose the exemption?

A company, civil partnership or non-resident permanent establishment must register for and pay the IAE when its net turnover from all economic activities exceeds EUR 1,000,000. Article 82.1.c) of the LRHL sets the threshold and Article 82.1.c) rule 2 specifies the reference period: the turnover figure is taken from the accounting period whose tax return filing deadline fell in the calendar year before the IAE accrual year. For groups under Article 42 of the Codigo de Comercio, the turnover is aggregated across the group. A new activity also enjoys a two-period startup exemption under Article 82.1.b), after which the company must file the Modelo 840 if it remains above the threshold.

Taxpayer type	IAE exemption	Turnover limit	Source
Individual (persona fisica), resident	Full, no limit	None	Art 82.1.c) LRHL
Company (IS subject), civil partnership, GT Art 35.4 entity	Conditional	Turnover below EUR 1,000,000	Art 82.1.c) LRHL
Non-resident via permanent establishment	Conditional	Turnover below EUR 1,000,000	Art 82.1.c) LRHL
New activity (any taxpayer)	First two IAE periods	Then reassessed	Art 82.1.b) LRHL

What IAE epigrafe covers rental property?

The IAE Tariffs, approved by Real Decreto Legislativo 1175/1990 of 28 September, classify letting into three epigrafes depending on the type of property and service. Epigrafe 861.1 (alquiler de viviendas) covers residential letting, with or without an option to purchase, of any property destined for housing. Epigrafe 861.2 (alquiler de locales industriales y otros alquileres n.c.o.p.) covers commercial, industrial and other non-residential letting, including garages, offices and land. Group 685 (alojamientos turisticos extrahoteleros) covers short-term tourist accommodation that is not a hotel, hostel or campsite, which is where most Airbnb-style lets are classified.

The AEAT’s guidance on tourist-let taxation is explicit: the tourist purpose of the let is decisive, so a short-term let falls under group 685 regardless of whether the landlord also provides cleaning or linen services. This classification follows DGT binding consultation V0068-23, which confirmed that the tourist purpose takes precedence over all other considerations. The practical consequence is that a landlord operating tourist lets through a company above the turnover threshold registers under group 685, not under the residential epigrafe 861.1.

How is the IAE cuota calculated?

The cuota is built in three layers. The national cuota is set by the tariff for each epigrafe: for epigrafe 861.1 it is 0.10 per cent of the cadastral value of the let residential properties, and the declaration of alta is only required when that cadastral value exceeds EUR 601,012. The provincial and municipal cuotas are added on top, and the town hall may apply a coefficient de situacion (Article 87 LRHL) between 0.4 and 3.8 based on the street category of the premises. A coefficient de ponderacion (Article 86 LRHL) then scales the total by the taxpayer’s turnover band, from 1.29 for turnover between EUR 1m and EUR 5m up to 1.35 for turnover above EUR 100m.

Turnover band (EUR)	Ponderacion coefficient
1,000,000 to 5,000,000	1.29
5,000,000.01 to 10,000,000	1.30
10,000,000.01 to 50,000,000	1.32
50,000,000.01 to 100,000,000	1.33
Above 100,000,000	1.35

For a residential letting company with EUR 2m turnover and EUR 3m of cadastral value across its let units, the national cuota before coefficients would be EUR 3,000 (0.10 per cent of EUR 3m), scaled by 1.29 to roughly EUR 3,870 before the municipal surcharge. The amounts are small relative to turnover, which is why the IAE is more a compliance trigger than a cost concern.

When does rental become an economic activity?

The IAE follows the income tax definition of economic activity, and for rental that test is set by Article 27.2 of Ley 35/2006 (LIRPF). Rental of immovable property is treated as an economic activity only when the landlord uses at least one full-time employee under an employment contract to manage it. The 2015 reform removed the earlier requirement of a dedicated local (office), so the employee threshold is now the sole structural test. The practical split for landlords is therefore:

Rental arrangement	Economic activity?	IAE position
Individual, one or more long-term lets, no employee	No (capital inmobiliario)	Exempt under Art 82.1.c)
Individual, tourist lets, no employee	No (capital inmobiliario)	Exempt under Art 82.1.c)
Individual, lets managed by a full-time employee	Yes (actividad economica)	Still exempt under Art 82.1.c)
Company below EUR 1m turnover	Yes	Exempt under Art 82.1.c)
Company above EUR 1m turnover	Yes	Liable, file Modelo 840

An individual landlord who hires a full-time property manager moves from capital inmobiliario to actividad economica for income tax purposes, which changes the deduction regime (business expenses become fully deductible rather than the reduced capital inmobiliario deductions), but the IAE exemption still applies because the taxpayer is a persona fisica.

What did the 2025 Supreme Court ruling change for the employee test?

The Tribunal Supremo ruled on 14 July 2025 that having a full-time employee with an employment contract is both necessary and sufficient for rental to qualify as an economic activity under Article 27.2 of the LIRPF. The court explicitly rejected the interpretation that the Administration and lower courts had been applying, which required landlords to also prove that the employee was economically justified by the volume of work. Under that old view, a landlord with 16 long-term lets, 14 of them managed by an external company and one let to a family member, could be denied business activity status because the remaining workload did not seem to justify a full-time hire.

The Supreme Court held that Article 27.2 sets the legal requirements and they cannot be supplemented by an additional economic necessity test. The purpose of the provision is to establish minimum structural requirements so that rental can be understood as a business activity, and adding an extra workload justification introduces uncertainty that runs against the goal of facilitating the transmission of family enterprises. The court did note that the Administration retains the right to challenge a contract as fictitious or simulated through specific anti-simulation procedures, with full guarantees, but it cannot deny the classification merely because the workload appears light.

This ruling overturned the earlier restrictive position the TS itself had taken in its judgment of 7 December 2016 (rec. 3748/2015), which had treated the employee and local requirements as presumptive indicators that could be rebutted by examining the substance. The 2025 ruling makes the statutory test the governing one: meet the Article 27.2 employee requirement and the activity is economic, full stop.

How does the 2026 group-company ruling extend the employee test?

Two further Supreme Court judgments, STS 637/2026 (17 February 2026, rec. 1196/2024) and STS 640/2026 (19 February 2026, rec. 1326/2024), extended the employee requirement to group companies. The question was whether a letting company that belongs to a corporate group under Article 42 of the Codigo de Comercio can satisfy the Article 27.2 employee test through an employee of another group company, rather than having its own direct hire. Article 5.1 of the Ley del Impuesto sobre Sociedades says the concept of economic activity for group companies should take into account all entities in the group, but this rule does not appear in the LIRPF.

The Supreme Court adopted a substance-over-form approach: what matters is whether the letting company is functionally integrated into the group’s economic activity, not whether it individually holds the employment contract. If the letting company’s property is the physical support for services that other group companies provide to the same tenants, and the group operates as an economic and functional unit, the employee requirement is met. The court stressed that mere formal membership of a group is not enough; the integration must be economically substantive. The burden of proof falls on the taxpayer to demonstrate this functional integration.

For individual landlords the group ruling has no direct effect, but for landlords holding property through an SL that is part of a wider group structure, the ruling means the employee test may be satisfied at group level, which affects both the IRPF or IS classification and any downstream IAE liability.

What census obligations does an exempt landlord still have?

Even though an individual landlord pays no IAE, the exemption does not remove the census registration duty. The AEAT’s tourist-let guidance is explicit: exempt taxpayers remain obliged to comply with the census obligations set by Real Decreto 1065/2007, which means filing the Modelo 037 (or Modelo 036 for larger operations) to register the activity with the tax administration. This is an administrative declaration, not a tax payment: it tells the AEAT what the taxpayer does and under which epigrafe, so the agency can track the activity and cross-reference it against income tax filings. The Modelo 840, by contrast, is the IAE matricula declaration that only non-exempt taxpayers file.

For a resident individual landlord, the census declaration registers the activity, and the activity registration feeds into the Modelo 210 rental income filing cycle for non-resident landlords. The Spanish property tax calendar sets the filing deadlines for both the census declaration and the quarterly Modelo 210 returns.

How does the IAE interact with IVA and income tax?

The IAE is one of three taxes that can apply to rental income, and the three operate independently. Income tax (IRPF for residents, IRNR via Modelo 210 for non-residents) falls on the net rental profit and is the largest liability; the IRNR guide covers the rates and filing mechanics. IVA applies to tourist lets under 30 days (currently exempt without hotel services, 10 per cent with them, and subject to a proposed 21 per cent hike), as the tourist rental IVA guide explains. The IAE sits alongside both as a municipal business tax that, for the vast majority of individual landlords, is zero.

The interaction matters most for a landlord whose rental crosses the business threshold. A tourist-let operator who registers a company, hires staff and passes the EUR 1m turnover mark moves from exempt individual treatment into a regime where IVA registration, IAE matricula filing and corporate income tax all apply simultaneously. The short-let rental tax compliance guide and the renting out property as a non-resident guide cover the income tax and IVA mechanics in depth.

When should a landlord take action on the IAE?

For an individual landlord, the answer is effectively never: the exemption is automatic and permanent. The two moments that change the position are incorporating a letting company that grows past EUR 1m turnover, and taking on a full-time employee, which shifts the income tax classification from capital inmobiliario to actividad economica. In the first case, the company must file the Modelo 840 before the activity begins and pay the municipal cuota annually thereafter. In the second, the individual remains IAE-exempt but should restructure their IRPF filing to claim the full business-expense deduction regime and the rental reduction tiers available to economic activity landlords.

A landlord holding property through a company structure should also confirm whether the 2026 group-company ruling affects their IAE position, since the employee test may now be met at group level. A landlord unsure whether their activity has crossed the business threshold should confirm the position with a Spanish tax advisor (gestor or asesor fiscal) before filing, because the reclassification is retrospective and the AEAT cross-references the IAE matricula against income tax declarations.

This guide is general information, not legal or tax advice. Rules change and individual circumstances differ. Verify current requirements with an independent lawyer (abogado) or tax advisor (gestor/asesor fiscal) before acting.