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What is property tax (IBI) on a home?

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10 January, 2026 · 6 mins reading time

Understanding the financial obligations associated with owning a home is crucial for any prospective buyer. Among these obligations, the property tax, known as Impuesto sobre Bienes Inmuebles (IBI) in Spain, is a significant one. This article aims to provide a clear and simple explanation of what IBI is, how property tax is calculated, and who is responsible for paying it. Whether you’re considering buying a second home or your first property, understanding IBI is essential for managing your finances effectively. 

What is IBI and who pays it?

The IBI is a local tax levied on the ownership of real estate in Spain, essentially the Spanish equivalent of property tax in other countries. This tax is collected by the local municipality where the property is located. The IBI is a direct tax, meaning it’s levied directly on the value of the property itself, regardless of the owner’s income or other financial circumstances. So, who pays the property tax? The legal owner of the property as of January 1st of each year is responsible for paying the IBI. This means that if you purchase a property during the year, you will typically not be responsible for the IBI until the following year.

What is urban IBI?

Within the broader category of the IBI, there’s a crucial distinction between urban and rural taxation. Urban IBI applies specifically to properties located in urban areas, which are typically residential, commercial, or industrial buildings within a town or city. This tax generally tends to be higher than rural IBI because the property value is greater and there´s a higher availability of services in urban areas. The municipality utilizes the funds collected from urban IBI to finance local services, such as street cleaning, public lighting, road maintenance, and other amenities that directly benefit urban residents.

How property tax is calculated?

Understanding how property tax is calculated is crucial for budgeting as a homeowner. The IBI calculation relies on two primary factors: the cadastral value of the property and the tax rate set by the local municipality. The cadastral value is essentially an administrative valuation of the property, which is determined by local authorities. This value considers various factors, including the property´s location, the size of the land and building, its specific use, and the quality of its construction. Importantly, the cadastral value is usually lower than the market value of the property.

The tax rate, on the other hand, is a percentage set by each municipality. This rate is applied to the cadastral value to determine the amount of IBI owed. The tax rate can vary significantly from one municipality to another, largely depending on the local government’s financial needs and fiscal policies. For instance, municipalities with greater financial needs or a smaller tax base may set a higher IBI rate to generate sufficient revenue.

How to find out the IBI of a home

Knowing the IBI amount for a property you’re interested in buying is an important part of your due diligence. If you’re thinking about buying a second home in Spain, checking the current IBI can help you estimate ongoing expenses and compare properties more effectively. Fortunately, there are several reliable ways to find out the IBI of a home

  • Cadastral Certificate: This document provides detailed information about the property, including its cadastral value. You can obtain this certificate from the Cadastre office (Catastro) or online through their website.
  • Ask the Seller: The current owner of the property should be able to provide you with the most recent IBI receipt, which will show the amount paid.
  • Consult with a Real Estate Agent: An experienced real estate agent who knows the local area can often provide you with an accurate estimate of the IBI, based on similar properties nearby.
  • Contact the Local Municipality: You can contact the local municipality’s tax department directly to inquire about the IBI rate and the cadastral value of the specific property.

How often do I have to pay IBI?

The IBI is generally an annual tax, meaning you are required to pay it once a year. While the specific collection period varies by municipality, it usually falls between the months of April and November. The local municipality will send a payment notification to the property owner, either by mail or electronically if you are registered for online notifications. This notice will include the amount due, the payment deadline, and the available payment methods. It’s crucial to pay the IBI on time to avoid late payment penalties, which can include interest charges and fines.

Can the IBI be under a different name than the owner’s?

No, the IBI is directly linked to the legal owner of the property. The payment notification will always be issued in the name of the property owner as officially registered in the Land Registry (Registro de la Propiedad). If there are multiple owners, the IBI will be issued in the names of all them. It’s important to ensure that the ownership information held in the Land Registry is accurate and up-to-date to prevent any confusion or issues with IBI payments.

Who pays the property tax when selling a house?

When selling a house, the responsibility for paying the IBI for the year of the sale is typically divided between the buyer and the seller. The standard practice is for the seller to be responsible for the portion of the IBI corresponding to the period they owned the property during that year, and the buyer is responsible for the remaining portion. This arrangement is usually stipulated in the sale agreement

For example, if the sale takes place on July 1st, the seller would be responsible for the IBI from January 1st to June 30th, and the buyer would be responsible for the IBI from July 1st to December 31st. However, the exact terms of the IBI payment can be negotiated between the buyer and seller and should be clearly outlined in the sale agreement to avoid any disputes.

How can the IBI on the primary residence be deducted?

Unfortunately, in Spain, the IBI on the primary residence is generally not tax-deductible for individuals in their personal income tax return. However, there are some exceptions and specific situations where deductions or benefits may apply. For example, some municipalities offer discounts or exemptions for large families, low-income individuals, or protected historical areas. 

Additionally, if you use a portion of your primary residence for business purposes, you may be able to deduct a portion of the IBI as a business expense. It’s best to consult with a tax advisor or the local municipality to determine if you qualify for any deductions or benefits related to the IBI on your primary residence.

Understanding the IBI is an essential part of being a homeowner in Spain. By knowing what it is, how property tax is calculated, and who is responsible for paying it, you can better manage your finances and avoid any surprises. Whether you’re considering buying a second home or a primary residence, taking the time to learn about the IBI will help you make informed decisions and ensure a smooth homeownership experience. 

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