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17 May 2026

Cut IMU on second homes by renting at an agreed rent

A concise guide for owners over 70 who want to turn a second home into sustainable income while securing possible IMU reductions

Cut IMU on second homes by renting at an agreed rent

The financial weight of owning a second property can be heavy, especially for retirees on modest incomes. This guide explains how a number of Italian municipalities offer IMU reductions when a second dwelling is let under an agreement rental contract. To avoid confusion, keep in mind that local councils can interpret national rules differently, so the same setup can produce different outcomes depending on the municipality. Early verification with the local tax office helps prevent wasted time and ensures compliance with administrative deadlines.

At the core of the measure is a combination of age, income and the type of lease used. Typically the benefit is aimed at owners aged over 70 who rent their property under a specific formula that local authorities recognise. The approach below walks through eligibility, the practical paperwork, and the economic implications so you can assess whether converting a second home into rental income is a wise and feasible move.

Who is eligible and key requirements

Eligibility hinges first on age: applicants are generally required to be over 70. Beyond that, many municipalities ask for an ISEE threshold to limit the benefit to lower-income seniors. The ISEE is a household financial indicator used in Italy to assess economic condition, and local thresholds often sit around €15,000, though each council may set its own limit. It is therefore essential to confirm the exact income ceiling with the municipality where the property is located before proceeding.

Another requirement is the status of the home as a true second home: it must not be the owner’s principal residence. Municipalities may also require the property to be physically located within their boundaries for the concession to apply. The precise nature and minimum duration of the lease can vary: while many administrations insist on an agreement rental contract, some may add provisions about contract length or tenant characteristics. These fine print items matter for eligibility and must be reviewed carefully.

How to apply and the documents you need

Applications are typically submitted to the local tax office or the municipality’s tributes department. Submission methods vary: in-person, by post, or via a digital portal where available. A complete file usually speeds up processing and reduces the risk of rejection, so prepare in advance. Always check the municipal rules to learn whether special forms are required and which deadlines apply, since timing sometimes aligns with annual tax calendars but can also follow local schedules.

Standard documentation checklist

Commonly requested items include a valid identity document, an anagraphic certificate proving age, the registered agreement rental contract, a recent ISEE declaration, and the property’s cadastral identifiers. Some councils may ask for additional declarations or require that the lease be registered for a minimum period. If you prefer professional support, a CAF or tax consultant can compile and submit the dossier on your behalf, which is often worth the fee when deadlines or formality are strict.

Practical submission tips

Before sending anything, make copies and keep receipts of delivery or electronic submission confirmations. If the municipality uses online services, upload clear scans of each required document. Follow up with the tax office to confirm receipt and track the administrative outcome. When an application is approved, the concession is recorded in the tax registers and reflected in subsequent IMU declarations; if rejected, ask for a reason and whether correction or appeal is possible.

Financial impact and practical advice

Municipal IMU rates vary, and typical second-home rates often stand above those for principal residences. A modest reduction in the municipal percentage can translate into real savings, sometimes amounting to hundreds or thousands of euros per year depending on the property’s cadastral value and the council’s baseline rate. Beyond the direct fiscal relief, renting under an agreement rental contract can broaden housing supply and help keep rents more affordable for tenants, creating a social benefit alongside private savings.

Before committing, review local council deliberations, estimate the post-discount IMU and compare that with projected rental income and associated costs (maintenance, taxes, registration fees). Keep records of all communications and renew the ISEE and contractual documents as needed. If your situation is complex, consult a qualified advisor or CAF to avoid accidental disqualification or future recovery of benefits. Regular annual checks with the municipality ensure the arrangement remains compliant and economically sound.

Final checklist

Summarise your next actions: verify the municipal delibera, prepare the identity and property documents, ensure the lease is a registered agreement rental contract, confirm your ISEE eligibility, and submit the file to the local tax office. Keeping these steps in order makes the process manageable and increases the chance of securing an IMU reduction that makes the second home a sustainable resource rather than a financial burden.

Luca Bellini
Author

Luca Bellini

Luca Bellini comes from Turin kitchens: after a professional decision made in front of the Porta Palazzo market he left the brigade for food journalism. In the newsroom he advocates recipes reworked in a contemporary key, bylines investigations on local markets and keeps his grandmother’s collection of cookbooks.