Month-to-Month Rental Agreement Mexico (Contrato de Arrendamiento Mes a Mes)

A Month-to-Month Rental Agreement Mexico (Contrato de Arrendamiento de Vigencia Mensual or Contrato de Arrendamiento Mes a Mes) is a residential or commercial lease agreement with no fixed end date, automatically renewed each month under the same terms and conditions until either the landlord (arrendador) or tenant (arrendatario) gives written notice of termination, governed by Article 2478 of the Código Civil Federal (CCF) and the equivalent provisions of applicable state civil codes — including the Código Civil para la Ciudad de México (CCCDMX), the Código Civil para el Estado de Jalisco, and the Código Civil para el Estado de Nuevo León — which establish that open-ended lease agreements continue for periods equal to the rent payment interval.

Article 2478 of the Código Civil Federal establishes the foundational rule for open-ended leases in Mexico: when no fixed term is agreed or when the original fixed term has expired and the tenant continues occupying the property with the landlord's knowledge and without objection, the lease continues on a period-by-period basis — for monthly rent arrangements, the lease renews month-to-month. Either party may terminate the open-ended lease by giving the other party advance written notice equal to the rent payment period — for monthly rent, this is 30 calendar days' written notice. This statutory framework creates the Month-to-Month Rental Agreement structure: maximum flexibility with minimum notice requirements.

The tácita reconducción (tacit renewal) concept under Article 2478 CCF means that a fixed-term lease that expires without the landlord demanding the property or the tenant vacating automatically converts into a month-to-month arrangement — the terms of the original lease continue but the fixed term is replaced by an open-ended arrangement terminable on 30 days' notice. Documenting a Month-to-Month Rental Agreement from the outset — rather than relying on tácita reconducción of an expired fixed-term lease — provides clearer documentation of the parties' obligations, the current rent amount, and the notice requirements.

The Código Civil para la Ciudad de México (formerly the Código Civil para el Distrito Federal) contains additional residential lease protections under Articles 2448-A through 2448-I that apply specifically to residential leases in Mexico City. The CCCDMX protections — including limitations on rent increases during the lease term, requirements for written notice of termination, and specific tenant rights regarding habitability — apply to Month-to-Month Rental Agreements for residential property in Mexico City. Outside Mexico City, the applicable state civil code governs — most state codes mirror the CCF framework but may include additional protections or different notice requirements.

For tax purposes, month-to-month rental income constitutes ingresos por arrendamiento under Chapter III of Title IV of the Ley del Impuesto sobre la Renta (LISR) Article 114 — the landlord must declare monthly rental income to the SAT through the portal del contribuyente using their RFC and issue a CFDI (Comprobante Fiscal Digital por Internet) for each payment received. The deducción opcional of 35% under LISR Article 115 simplifies tax compliance for individual landlords (personas físicas) by allowing a flat 35% deduction against gross rental income instead of itemizing actual expenses.

Month-to-Month Rental Agreements are particularly prevalent in Mexico City's high-demand residential neighbourhoods — Roma Norte, Condesa, Polanco, Santa Fe — where landlords prefer flexible arrangements to capture periodic rent increases, and for short-term executive accommodations (vivienda ejecutiva) serving corporate tenants requiring temporary housing for employees on assignment. The Procuraduría Social de la Ciudad de México (PROSOC) maintains a voluntary registry of residential lease agreements in Mexico City, including month-to-month arrangements, to assist in dispute resolution.

A Month-to-Month Rental Agreement Mexico is needed whenever a landlord (arrendador) and tenant (arrendatario) prefer maximum flexibility over the commitment of a fixed-term lease — particularly when the tenant's residency duration is uncertain, when both parties want the ability to end the arrangement with minimal notice, or when the property is offered for short-to-medium term occupancy.

The agreement is appropriate for corporate tenants — employees (trabajadores) relocated by their employer (empresa) to Mexico City, Monterrey, Guadalajara, or another city on a temporary work assignment — who need comfortable residential accommodation but cannot commit to a full 12-month lease because their assignment duration is uncertain. Multinational corporations frequently negotiate master lease arrangements with property owners for month-to-month residential units to house their assignee employees, with the company rather than the individual employee serving as the tenant contracting party.

The Month-to-Month Rental Agreement is needed for landlords who anticipate needing to occupy, sell, or renovate the property within the near future — the 30-day notice termination right provides significantly more flexibility than a one-year fixed-term lease, which under Article 2434 CCF requires the landlord to give three months' advance notice of non-renewal even if the landlord has legitimate personal use needs. A month-to-month arrangement allows the landlord to respond to changed circumstances quickly.

The agreement is appropriate for recently constructed or renovated properties where the landlord wishes to test the market rental rate before committing to a long-term fixed arrangement. Month-to-month agreements allow rent adjustments to be implemented promptly — when the agreement renews each month, the rent for the next month can reflect current market conditions, subject to the parties' agreement, without the restrictions that may apply to rent increases during fixed-term leases under some state civil code provisions.

Under Código Civil Federal art. 2478 and the Código Civil para la Ciudad de México, both landlord and tenant need documentation of their 30-day notice rights, the current rent amount, payment terms, and security deposit conditions. Without a written agreement, the terms of a month-to-month tenancy rely entirely on oral agreement — enforceable in principle under Mexican law but practically difficult to prove in dispute resolution proceedings before the Juzgado Civil or PROSOC conciliation.

The agreement is also needed when a fixed-term lease has expired and both parties wish to continue the tenancy on more flexible terms — converting the expired fixed-term lease to a documented month-to-month arrangement provides a clean written record of the new terms, avoiding reliance on the ambiguous tácita reconducción provisions of Article 2478 CCF.

A valid Month-to-Month Rental Agreement Mexico under the Código Civil Federal, applicable state civil codes, and SAT tax documentation requirements must contain the following essential elements to protect both landlord and tenant and to establish clear, enforceable terms for the flexible tenancy.

Identification of Parties: Full legal name, RFC (Registro Federal de Contribuyentes) required for the landlord's SAT rental income reporting under LISR Article 114, official identity document number (INE credential or passport), and domicilio of both the arrendador and arrendatario. For corporate tenants, the company's RFC, folio mercantil from the Registro Público de Comercio, and the representative's name and poder notarial reference are required.

Property Description: The complete address of the leased premises — calle, número interior y exterior, colonia, municipio or alcaldía, estado, código postal — and a description of the residential unit, including number of rooms (recámaras), bathrooms, parking spaces, and any included appliances or furnishings. Reference to the clave catastral (cadastral key) from the predial (property tax) statement strengthens the property identification.

Monthly Rent Amount: The agreed monthly rent expressed in Mexican pesos (MXN) — Article 2431 CCF requires residential rent for a tenant's principal home to be denominated in MXN, not foreign currency. The payment due date (typically the first calendar day of each month), accepted payment methods (SPEI bank transfer, OXXO payment reference, bank deposit, or efectivo contra CFDI), and the landlord's bank account details for SPEI transfers.

Open-Ended Term and Commencement Date: Express statement that the lease has no fixed end date and continues month-to-month from the commencement date — the first day of the first rental month — renewing automatically each month until terminated by either party with the required written notice. Reference to Código Civil Federal Article 2478 establishing the open-ended arrangement.

Termination Notice: Express statement of the 30 calendar days' advance written notice required from either party to terminate the monthly tenancy — consistent with Article 2478 CCF requiring notice equal to the rent period for open-ended leases. The method of delivering notice — certified mail (correo certificado con acuse de recibo), notarial act (fe notarial), or personal delivery with signed receipt — should be specified to ensure proof of delivery in potential dispute resolution proceedings before PROSOC or the Juzgado Civil.

Security Deposit: The amount of the depósito en garantía — typically one month's rent — the conditions under which it will be retained (unpaid rent, damages beyond normal wear and tear, utility bills left unpaid), and the deadline for return after the tenant vacates. Under CCCDMX Article 2448-G applicable to Mexico City residential leases, the deposit must be returned within one month of the tenant vacating; interest is payable if returned late.

Tenant Obligations: Express restriction on use to residential purposes (uso habitacional) only under CCF Article 2416; prohibition on subletting or assignment without written landlord consent under Article 2480 CCF; obligation to maintain the property and perform minor repairs (reparaciones locativas); prohibition on structural modifications without written consent; and obligation to pay utility bills (electricity — CFE, water — SACMEX or equivalent, gas) in the tenant's name where applicable.

Landlord Obligations: Obligation to maintain the property in habitable condition under Articles 2444 and 2445 CCF; to perform major structural and mechanical repairs; to not interfere with the tenant's peaceful possession (posesión pacífica); and to issue a CFDI (electronic tax receipt) for each monthly rent payment received, per SAT requirements for rental income reporting.

Governing Law and Dispute Resolution: The applicable civil code — Código Civil Federal and Código Civil para la Ciudad de México for Mexico City properties, or the relevant state civil code — and submission to the jurisdiction of the Juzgado Civil competente of the property's location for dispute resolution. Optional reference to PROSOC (Mexico City) or the state's conciliation centre as a first-step dispute resolution mechanism before litigation.

Forms-legal.com provides this Month-to-Month Rental Agreement Mexico template as a practical documentation tool for flexible residential tenancies. Both landlord and tenant should verify the specific provisions of the state civil code applicable to their property's location, as state-level protections and notice requirements vary.