Renting and leases

Rental Bond vs. Deposit vs. Guarantor: Key Differences

A rental bond (fianza), a security deposit, and a guarantor (aval) are not the same thing, even though people mix them up. Learn how they differ to choose the best guarantee when renting.

Inmobiliaria32 Team

3 min read

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The difference between a fianza (rental bond), a deposit, or an aval (guarantor) as a rental guarantee comes down to who bears the risk if the tenant defaults. The deposit is a sum of money paid by the tenant that the landlord holds and returns at the end of the lease if there is no damage or unpaid balance. The fianza is a service purchased from a surety company (afianzadora) that guarantees the landlord will be paid if the tenant defaults, while the aval is a person who legally commits to answer for the tenant's obligations if the tenant fails to meet them. Understanding these differences helps you choose the option that best fits your financial situation.

Important notice

This article is for informational purposes only. Figures and conditions may vary depending on the bank, state, or time of contracting; confirm up-to-date details with the relevant institution or a certified advisor.

How each option works

The deposit usually equals one or two months of rent and is returned when the lease ends, minus any damage or outstanding balances. The fianza, on the other hand, means paying a premium to a surety company (afianzadora) that evaluates your credit profile and answers to the landlord if you default, without you having to tie up a large sum of money. The aval, generally a relative who owns property or has a good credit history, signs the lease and pledges their assets as legal backing in case the tenant defaults. Each option shifts the risk differently: with the deposit, the risk falls on your own liquidity; with the fianza, on a specialized company; and with the aval, on the person who agrees to back you.

Typical requirements for each guarantee

Before deciding, it helps to know what you will be asked for in each case, since the requirements can affect how quickly you manage to rent the property.

  • Deposit: you only need enough cash on hand when you sign the lease
  • Fianza: credit bureau (buró de crédito) check, proof of income, and payment of a non-refundable premium
  • Aval: the guarantor must show property free of liens or sufficient income
  • Some surety companies accept online applications with a decision within a few days

Which one suits your situation

The choice depends on your liquidity and on whether you have someone who can act as your guarantor. Compare these options:

GuaranteeBest for
DepositThose with cash available upfront
FianzaThose who prefer not to tie up cash
AvalThose with a relative or acquaintance willing to back them

Frequently asked questions

Can I negotiate which guarantee to offer the landlord?

Yes, in many cases the landlord accepts any of the three options. It's a good idea to ask in the listing or at the first visit which guarantees are accepted before moving forward with the rental process.

Does the fianza cost money even if I pay my rent on time?

Yes, the fianza premium is generally non-refundable, since it pays for the surety company's service, unlike the deposit, which is returned if there are no unpaid balances or damages.

What risk does the person who acts as my guarantor take on?

The guarantor (avalista) is legally liable with their assets if the tenant fails to pay rent or causes damage. That's why it's wise to choose someone you trust and explain clearly the commitment they are taking on.

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