Home>Real Estate>

Lease Agreement Addendum

Lease Agreement Addendum Template

Utilize our lease agreement addendum to implement alterations or additions to an existing residential lease agreement that is currently in effect.

If you have a lease agreement in place with a tenant and find the need to incorporate additional details or make alterations, consider employing a lease agreement addendum template.

A lease agreement addendum serves as a tool for amending an existing lease, facilitating the addition of supplementary information or modifications to the terms.

Typically, an addendum is employed when there is a necessity for a limited number of inclusions or alterations to the lease agreement.

Table Of Contents

What is a Lease Addendum?

A lease addendum is a legal document used to supplement an existing lease agreement. The initial lease agreement outlines all the terms and conditions governing the rental arrangement between a landlord and tenant.

However, there may be instances where the landlord or tenant wishes to introduce amendments or additional terms after the lease has been signed. In such cases, a lease addendum is utilized.

The addendum is a formal document that contains the newly agreed-upon terms while retaining the rest of the original lease agreement in full force. Both parties, the landlord and tenant who initially signed the lease, must sign the addendum for it to be legally binding. This is particularly important in cases where the lease duration extends beyond a year.

Types of Residential Lease Addendums

There are several types of residential lease addendums that landlords and tenants can use to modify or add specific terms to a lease agreement. Some common types of residential lease addendums include:

  1. Pet Addendum: This addendum allows tenants to keep pets on the rental property. It typically includes rules and conditions related to pet ownership, such as pet deposits, restrictions on the number and types of pets, and responsibilities for pet-related damages.
  1. Smoking Addendum: This addendum specifies whether smoking is allowed or prohibited on the rental property. It outlines rules related to smoking areas, penalties for violations, and procedures for addressing smoking-related issues.
  1. Furniture Addendum: This addendum details any furnished items provided by the landlord. It includes a list of furniture and appliances, their condition at the beginning of the lease, and the tenant's responsibilities for maintaining them.
  1. Parking Addendum: This addendum addresses parking arrangements for tenants and guests. It specifies the number of parking spaces allocated, rules for parking, and any associated fees.
  1. Maintenance and Repairs Addendum: This addendum outlines tenant and landlord responsibilities for maintenance and repairs. It may specify which party is responsible for specific repairs and maintenance tasks.
  1. Utility Addendum: This addendum clarifies how utility costs are divided between the landlord and tenant. It may detail which utilities are included in the rent and which are the tenant's responsibility.
  1. Early Lease Termination Addendum: This addendum outlines the process and conditions under which either party can terminate the lease before its original end date. It may include penalties or notice requirements.
  1. Security Deposit Addendum: This addendum provides information about the security deposit, including the amount, conditions for deductions, and the timeline for returning the deposit after lease termination.
  1. Renewal Addendum: This addendum offers tenants the option to renew the lease for an additional term. It specifies the terms and conditions of the renewal, such as rent increases or changes to the lease.
  1. Rules and Regulations Addendum: This addendum includes specific rules and regulations related to the rental property, such as noise restrictions, guest policies, and use of common areas.
  1. Lead-Based Paint Disclosure Addendum: Required for properties built before 1978, this addendum discloses the presence of lead-based paint and provides information about potential health risks.
  1. Bed Bug Addendum: This addendum addresses the prevention and treatment of bed bugs, including responsibilities for reporting and addressing infestations.

These are just a few examples of residential lease addendums. Landlords and tenants can create custom addendums to address unique situations or concerns that are not covered by the standard lease agreement. It's important for both parties to understand and agree to the terms outlined in any addendum before signing. Additionally, local laws and regulations may impact the use and enforceability of specific addendums.

Why Use a Residential Lease Agreement Addendum?

A residential lease agreement addendum serves various purposes and can be beneficial in different situations. Here are some common reasons for using a residential lease agreement addendum:

  1. Changing Lease Terms: If either the landlord or tenant wishes to modify the original lease terms, such as extending the lease duration or altering specific provisions, an addendum can be used to formalize these changes.
  1. Adding Additional Occupants: When additional individuals, like roommates or family members, plan to reside in the rental unit and need to be included in the lease, an addendum can specify their names and responsibilities.
  1. Subleasing: If a tenant wants to sublease the rental unit to another party, a lease addendum can outline the terms and conditions of the sublease, including rent payment and responsibilities.
  1. Rent Adjustments: When rent adjustments are necessary due to changing circumstances, such as sharing maintenance responsibilities or allowing for a rent increase, an addendum can clarify the new rent amount and related terms.
  1. Pet Permission: If the original lease either prohibits pets or requires landlord approval, a lease addendum can grant permission for specific pets, including details like the type and number of animals allowed. It may also address additional rent or pet deposits.
  1. Adding Rules and Regulations: If the landlord or tenant wishes to establish specific rules and regulations for the rental property, an addendum can outline these rules, covering issues like noise restrictions, parking regulations, and use of common areas.
  1. Security Deposit Updates: To document changes to the security deposit amount, conditions for deductions, or the timeline for returning the deposit, a lease addendum can provide clarity.
  1. Renewal Terms: If tenants want to renew the lease for an additional term with adjusted conditions, such as rent increases or other changes, an addendum can formalize these renewal terms.
  1. Lead-Based Paint Disclosure: Required for properties built before 1978, a lead-based paint disclosure addendum provides information about the presence of lead-based paint and potential health risks.
  1. Bed Bug Addendum: To address the prevention and treatment of bed bugs and outline responsibilities for reporting and handling infestations.

Using a residential lease agreement addendum is essential for ensuring that both parties are aware of and agree to any modifications or additional terms. This document helps prevent misunderstandings and disputes while maintaining the original lease's integrity.

Each addendum should be clear, concise, and signed by all relevant parties to be legally binding and enforceable. Local laws and regulations may impact the use and enforceability of specific addendums, so it's important to comply with applicable legal requirements.

How to Add an Addendum to a Residential Lease Agreement?

Adding an addendum to a residential lease agreement is a straightforward process, but it should be done carefully to ensure clarity and enforceability. Here are the steps to follow:

  1. Discuss Changes with the Tenant: Initiate a discussion with your tenant about the proposed changes or additions to the lease agreement. Ensure that both parties are in agreement regarding the modifications.
  1. Create or Obtain an Addendum Template: Utilize a lease agreement addendum template or create one that addresses your specific changes and additions. The template should include the following key elements:
    • Reference to the original lease agreement, including its date, property address, and the names of both landlord and tenant.
    • Clear and concise language detailing the new terms, modifications, or additions. Reference the specific sections or paragraphs of the original lease that are being altered or supplemented.
    • A statement explicitly confirming that all other terms and conditions of the original lease agreement remain unchanged and in full force.
    • Signature lines for both the tenant and landlord, along with spaces for the date.
  1. Complete the Addendum: Fill in the template with the agreed-upon changes or additions. Ensure that the language is precise and easy to understand.
  1. Review and Confirm: Go through the addendum carefully to verify that all information is accurate, and the changes reflect the agreed-upon terms. Ensure that there are no conflicting clauses between the original lease and the addendum.
  1. Provide the Addendum to the Tenant: Share the completed addendum with the tenant and explain the proposed modifications or additions. It's essential to give the tenant ample time to review the document and seek any legal advice if needed.
  1. Obtain Tenant's Signature: Once the tenant agrees to the changes, have them sign the addendum. Ensure that both parties, including the landlord, date their signatures.
  1. Retain Copies: Keep a copy of the signed addendum for your records, and provide a copy to the tenant for their records as well. It's crucial that both parties have access to the agreed-upon terms.
  1. Enforceability: Understand that an addendum to a lease agreement is legally binding when signed by all parties involved. In case of disputes or disagreements in the future, having a signed addendum helps clarify the agreed-upon terms.
  1. Legal Considerations: Consult local and state laws to ensure that your addendum complies with all legal requirements and regulations. Some jurisdictions may have specific rules regarding lease modifications.

How to Draft an Addendum to a Lease Agreement?

Drafting an addendum to a lease agreement is a straightforward process if you follow these steps carefully:

Step 1: Date the Addendum
Begin by entering the current date at the top of the document. This date signifies when the addendum is being created.

Step 2: Identify the Parties
Include the full legal names and current addresses of both parties involved: the landlord (or management company) and the tenant(s). If there are multiple tenants, list each of their names.

Step 3: Reference the Original Lease Agreement
Specify the date of the original lease agreement that the addendum is referencing. This helps establish a clear connection between the addendum and the original lease.

Step 4: Property Address
Provide the complete street address of the rental property to ensure there is no ambiguity regarding the leased premises.

Step 5: Describe the Purpose of the Addendum
Clearly state the reason for the addendum. Explain what changes, additions, or clarifications are being made to the original lease agreement. Be precise and detailed in your description to avoid misunderstandings.

Step 6: Define the Amendments
Outline the specific modifications or additions to the lease terms. Reference the original sections or paragraphs of the lease agreement that are being altered or supplemented. Use clear and concise language to convey the changes effectively.

Step 7: Signatures
Allocate space for both the landlord and the tenant(s) to sign and date the addendum. All parties involved should sign the document to signify their agreement with the proposed changes.

Step 8: Distribute Copies
Make copies of the signed addendum for all parties involved. Each party should retain a copy for their records.

Step 9: Legal Review (Optional)
Consider having the addendum reviewed by legal professionals, especially if it involves significant changes or complex legal matters. This step can provide additional legal protection and clarity.

Step 10: Compliance with Local Laws
Ensure that the addendum complies with local and state laws and regulations regarding lease agreements and modifications.

By following these steps, you can effectively draft an addendum to a lease agreement that accurately reflects the agreed-upon changes while maintaining clarity and legal compliance.


What does addendum mean on a lease?

Lease addenda are supplemental documents used to address specific details not covered in the original lease. They can include items like pet policies, smoking rules, and mandatory disclosures, such as lead paint disclosures, which are legally required in some cases.

What is the lease extension addendum?

A lease extension addendum is a legal document used to extend a lease, typically between a landlord and tenant. It can modify certain lease conditions like rent, security deposit, and utilities, but the rest of the original lease terms remain unchanged.

How do you write an addendum?

To write an addendum, follow these steps:

  1. Title: Begin with a clear title, such as "Addendum to [Original Document Name]."
  1. Parties: Identify the parties involved, including names and addresses.
  1. Reference: Mention the original document's title, date, and parties.
  1. New Terms: Clearly state the new terms, additions, or changes.
  1. Signatures: Include spaces for signatures and dates from all involved parties.
  1. Attach: Physically attach the addendum to the original document.
  1. Distribute: Provide copies to all parties involved for signing.
  1. File: Keep the signed addendum with the original document.

What happens if an addendum is not signed?

Lease addendums, like the lease agreement itself, require the signatures of all involved parties to be legally binding. Without their signatures, the addendum cannot take effect as the parties have not officially agreed to the proposed changes.

How do I extend my lease agreement?

To extend your lease agreement, create a lease extension agreement and have both the landlord and tenant sign it before the original lease expires.

What is an addendum to a lease?

An addendum to a lease is a supplemental document that is added to an existing lease agreement to modify or add specific terms, conditions, or provisions. It serves as an extension or attachment to the original lease agreement, allowing both parties to make changes or additions without completely renegotiating the entire lease.

Sample Lease Agreement Addendum

Loading PDF…

Page 1 of

Related Landlords Contracts
  • Landlord Proof Of Residency Letter : Utilize our Landlord Proof of Residency Letter template to confirm your current address and other relevant details to the landlord.
  • Sublease Agreement : Utilize our Sublease Agreement to facilitate the subletting process to a new tenant.
  • Rental Agreement : Utilize our Lease Agreement to lease your residential property.
Loading PDF…