Should Landlords Use a Lease or a Rental Agreement?

Both leases and rental agreements have their pros and cons—which one is right for your business depends on a number of factors.

By , Attorney UC Berkeley School of Law
Updated 5/08/2023

Renting your property without putting the rules and expectations of the tenancy in writing is an invitation for trouble. The landlord-tenant relationship is complicated—laws on the federal, state, and local levels govern nearly all aspects of renting residential property. All of the details of your tenancy should be recorded in a written lease or rental agreement.

Why Landlords Need to Use a Written Lease or Rental Agreement

Some landlords don't use written agreements—they just have a conversation with the tenant, take the tenant's check, and let the tenant move in. While oral promises can be legally binding, it can be difficult if not impossible to prove them to a judge. Don't take a chance—use a legal, complete rental agreement or lease. Here are some other important reasons to use a written agreement.

Avoid Disputes

A landlord who provides no written lease often finds that the result is chaos. With no clear agreement written down, every small disagreement—whether it's over repairs, the fee for a late rent check, or deductions made from a departing tenant's security deposit—has the potential to escalate into a nasty legal battle. For instance, what happens if the lease has a no-pets clause, but the landlord turned a blind eye to the cat when the tenant moved in?

Clarify Important Issues

In addition to heading off disputes, a good lease nudges the landlord to address important issues that might otherwise be overlooked before getting into the rental relationship. For example, a no-smoking policy might be a deal-breaker for a tenant who smokes. So putting all the important terms about the rental in a writing that the tenant can review (and potentially walk away from) leads to happier, stable tenants and satisfied landlords.

Comply With the Law

Many state and local laws require rental arrangements intended to last longer than a year to be in writing. Also, state landlord-tenant laws might require landlords to make certain disclosures to tenants in a lease or rental agreement or impose other duties relating to tenancies.

Ensure Your Right to Collect and Use a Security Deposit

Without a written agreement, you run the risk of not being able to collect or use a security deposit to cover unpaid rent or damage repair costs. If your arrangement isn't in writing, a battle over a security deposit becomes a he-said-she-said dispute, and courts often decide such matters by giving the renter the benefit of the doubt.

Lease vs. Rental Agreement: Which Is Better?

A rental agreement establishes a tenancy for a short period of time, usually one month. A month-to-month rental agreement is automatically renewed each month unless you or your tenant provides the proper amount of notice to terminate (typically 30 days). You may increase the rent, change other terms of the tenancy, or terminate the lease on relatively short notice—unless a rent control ordinance or law specifies otherwise.

A lease obligates both you and the tenant for a set period of time, usually a year. You can't raise the rent or change other terms until the lease runs out, unless the lease itself provides for modifications or the tenant agrees in writing to the changes. In addition, you usually can't ask the tenant to move out or prevail in an eviction lawsuit unless the tenant fails to pay the rent or violates another important term of the lease or state or local law. At the end of the lease term, you can either decline to renew it or negotiate to sign a new lease or rental agreement.

Many landlords prefer month-to-month agreements, particularly in tight rental markets where new tenants can be easily found and rents are trending upwards. The flip side is that month-to-month tenancies almost guarantee more tenant turnover, and more work to keep rental properties full.

Landlords often prefer leases in areas where there is a high vacancy rate or where it is difficult to find tenants for certain seasons of the year—for example, in college towns that are often deserted in summer.

You'll want to include certain key terms in your lease or rental agreement, and tailor it as needed to reflect the unique aspects of your rental.

For a comprehensive book that provides the practical and legal information that landlords need to rent out property, check out Nolo's Leases & Rental Agreements.

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