What happens if you don’t declare your rental apartment? Risks and benefits of doing it right

What happens if you don’t declare your rental apartment? Risks and benefits of doing it right

Renting out a property and not declaring the income to the Tax Agency may seem like a quick way to increase profitability, but it’s a decision that comes with significant financial and legal risks. With the government’s massive data cross-checking (water and electricity usage, as well as deposits), tax anonymity no longer exists.

In this article, we analyze the consequences of not declaring a rental, the associated fines, and—most importantly—why declaring the rental is usually more profitable thanks to the current tax deductions.

Consequences and penalties for not declaring a rental

The Tax Agency has multiple ways to detect an undeclared rental. If the Tax Agency finds this irregularity, the owner will face a regularization process that includes:

  • Payment of unpaid taxes: You will have to pay the corresponding IRPF on the rental income not declared from the non-prescribed tax years (the last 4 years).

  • Financial penalties: Fines range from 50% to 150% of the amount that was not paid, depending on whether the offence is classified as minor, serious, or very serious.

  • Late-payment interest: An additional surcharge will be applied for the time that has passed since you should have paid the taxes.

  • Loss of benefits: If the Tax Agency discovers it, you will lose the right to apply the reductions to the net rental income.

How does the Tax Agency detect an undeclared rental?

Thanks to digitization and Big Data, the Tax Agency automatically cross-references information through:

  1. Utility consumption records: Abnormal jumps in water and electricity meters in homes that are theoretically vacant.

  2. Information models: Data from utility companies and banking entities.

  3. Tenant deductions: If the tenant tries to deduct the rent on their return, the alert will be triggered immediately.

  4. Deposit registration: In Andalusia, the deposit of the security deposit with the AVRA is mandatory and is a direct source of information for the tax authorities.


Tax benefits: Why declaring DOES interest you

Many property owners don’t know that, when you declare the rental, the real tax impact is usually minimal or even positive.

The Reduction for Renting Out a Main Residence

If the property is used as the tenant’s main home (not holiday use), the owner may enjoy a reduction of up to 60% (depending on the rules applicable for the tax year) on net income. This means you’ll only pay taxes on a small portion of what you earn.

Deductible expenses that reduce your tax bill

Declaring allows you to deduct all expenses necessary to generate the income. Some of the most common are:

  • Property tax (IBI), rubbish collection fees, and community charges: All taxes and levies associated with the property.

  • Insurance: Home multi-risk, rent default, or public liability.

  • Repairs and maintenance: Painting, fixing breakdowns, or upkeep (they do not include improvements or extensions).

  • Depreciation of the property: Generally, the 3% of the cadastral construction value.

  • Mortgage interest: If you bought the property with a loan, the interest is deductible.

  • Real estate management fees: The agency fees such as Pineapple Homes for contract formalization or property management.


The importance of professional management in Málaga

The real estate market on the Costa del Sol is dynamic and subject to specific local regulations. Delegating the management of your property to experts not only ensures legal compliance, but also optimizes the profitability of your assets.

At Pineapple Homes Málaga, we make sure your contract complies with the LAU, we handle the security deposit deposit, and we advise you so that your income tax return is as efficient as possible—avoiding unnecessary surprises with the Tax Agency.

Conclusion: The risk of an inspection doesn’t outweigh the tax savings, especially when deductions make it possible to legalize your income very economically.


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