Is a pet addendum legally binding?

Yes. Once signed by both the U.S. landlord and the tenant, a pet addendum has the same legal force as the original lease agreement. If either party violates the terms, the other party can pursue remedies outlined in the addendum or under applicable American state landlord-tenant law. This includes the landlord's right to revoke pet permission or the tenant's right to a refund of the pet deposit if no damage occurred.

Can a landlord charge a pet deposit and monthly pet rent?

In most U.S. states, landlords can charge both a refundable pet deposit and a non-refundable monthly pet rent. The pet deposit is a one-time payment intended to cover potential damages, while pet rent is a recurring monthly charge. However, some American states cap total deposit amounts or have specific rules about non-refundable fees. Check your U.S. state's landlord-tenant statutes to confirm what is permissible.

Do I need a separate addendum for each pet?

No. A single pet addendum can list multiple pets, each identified individually with their own details such as name, species, breed, and weight. This template supports up to two pets. If a tenant later acquires an additional pet, a new addendum or a written amendment to the existing one should be signed by both parties before the new pet is brought onto the property.

Can a landlord revoke pet permission after signing?

Yes. Most pet addendums include a revocation clause that allows the landlord to withdraw pet permission with written notice, typically 30 days, if the tenant violates any terms. Grounds for revocation usually include repeated noise complaints, property damage, failure to maintain sanitation, or the pet posing a safety risk to other residents. The tenant must remove the pet within the notice period.

Are emotional support animals covered by a pet addendum?

No. Under the U.S. Fair Housing Act, emotional support animals and service animals are not classified as pets under American law. U.S. landlords generally cannot require pet deposits, pet rent, or impose breed or weight restrictions for these animals. A pet addendum is designed for traditional household pets only. American tenants with assistance animals should work with their landlord through a separate reasonable accommodation process.

What happens if a tenant gets a pet without a pet addendum?

If the original U.S. lease prohibits pets or requires written permission, having an unauthorized pet constitutes a lease violation. Depending on American state law and the lease terms, the landlord may issue a notice to cure or quit, impose penalties, or begin eviction proceedings. Having a signed pet addendum protects both parties by setting clear expectations and avoiding disputes.

Can breed restrictions be enforced in a pet addendum?

U.S. landlords can generally include breed restrictions in a pet addendum, and American courts typically enforce them as part of the lease agreement. Common restricted breeds include those associated with higher insurance liability. However, some U.S. cities and states have enacted breed-neutral laws that limit a landlord's ability to ban specific breeds. Always check your local American ordinances before including breed restrictions.

Rental & Real EstateUnited States

Free Pet Addendum Template

Add pet permissions, deposits, breed restrictions, and rules to your existing lease agreement. Our free US template covers everything landlords and tenants need to formally authorize pets at a rental property.

Create Your Pet Addendum to Lease Agreement

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PET ADDENDUM TO LEASE AGREEMENT

State Of California – March 13, 2026

Property: 742 Evergreen Terrace, Apt 3B, Springfield, IL 62704

Effective March 13, 2026

LEASE REFERENCE

LANDLORD	James R. Patterson
TENANT	Sarah M. Collins
PROPERTY ADDRESS	742 Evergreen Terrace, Apt 3B, Springfield, IL 62704
ORIGINAL LEASE DATE	January 15, 2026
ADDENDUM DATE	March 13, 2026

This Pet Addendum ("Addendum") is made and entered into as part of the Lease Agreement dated January 15, 2026 between James R. Patterson ("Landlord") and Sarah M. Collins ("Tenant") for the premises located at 742 Evergreen Terrace, Apt 3B, Springfield, IL 62704. This Addendum supplements and amends the original Lease Agreement as it pertains to the keeping of pet(s) on the premises. All other terms of the Lease Agreement remain in full force and effect.

APPROVED PET 1

PET NAME	Buddy
SPECIES / TYPE	Dog
BREED	Golden Retriever
COLOR / MARKINGS	Golden, white chest patch
WEIGHT	65 lbs
AGE	3 years
SPAYED / NEUTERED	Yes
VACCINATIONS CURRENT	Yes
LICENSE / TAG NO.	DG-2026-04521

APPROVED PET 2

PET NAME	Whiskers
SPECIES / TYPE	Dog
BREED	Domestic Shorthair
COLOR / MARKINGS	Orange tabby
WEIGHT	10 lbs
AGE	2 years
SPAYED / NEUTERED	Yes
VACCINATIONS CURRENT	Yes
LICENSE / TAG NO.	CT-2026-08712

ASSISTANCE ANIMALS NOT SUBJECT TO THIS ADDENDUM

Service animals and emotional-support animals (collectively, "assistance animals") requested as a reasonable accommodation for a person with a disability are NOT pets and are not subject to this Addendum. Under the federal Fair Housing Act, 42 U.S.C. §§3604(f) and 3617, and HUD Notice FHEO-2020-01 (Assessing a Person's Request to Have an Animal as a Reasonable Accommodation), Landlord shall not charge a pet deposit, pet fee, or pet rent for an assistance animal, and breed or weight restrictions set forth in this Addendum do not apply. Service animals covered by the Americans with Disabilities Act are defined at 42 U.S.C. §12102 and 28 C.F.R. §36.104 (dogs individually trained to do work or perform tasks for a person with a disability; miniature horses are addressed separately at 28 C.F.R. §36.302(c)(9)). Nothing in this Addendum waives any right of a disabled tenant under federal, state, or local law.

PET DEPOSIT

Tenant shall pay a one-time, refundable pet deposit of $500 prior to or upon execution of this Addendum. This deposit is in addition to any security deposit required under the original Lease Agreement; however, the combined total shall not exceed the maximum aggregate security deposit permitted by applicable state law. State caps include, without limitation: California Civil Code §1950.5 (aggregate cap of two months' rent for unfurnished, three months' for furnished, applicable to all security charges including pet deposits); New York General Obligations Law §7-108 (HSTPA 2019 - security deposit capped at one month's rent, aggregate). The pet deposit shall be returned to the Tenant at the end of the tenancy, less any itemized deductions for pet-related damages beyond normal wear and tear, in accordance with the security-deposit accounting rules of the state in which the Property is located.

MONTHLY PET RENT

In addition to the monthly rent specified in the Lease Agreement, Tenant agrees to pay a monthly pet rent of $50 per pet. This pet rent is due on the same date as the regular monthly rent and is non-refundable. Failure to pay pet rent shall be treated as a failure to pay rent under the Lease Agreement.

NUMBER AND TYPE RESTRICTIONS

The maximum number of pets permitted under this Addendum is 2. Only the specific pet(s) described above are authorized to reside at the premises. No additional or substitute pets are permitted without the prior written consent of the Landlord. Each pet must not exceed 75 lbs in weight at full maturity. The following breeds are prohibited at the property: Pit Bull, Rottweiler, Doberman Pinscher.

PET AREAS AND RESTRICTIONS

Pets are permitted in the Tenant's individual unit and in designated common areas, subject to applicable rules and regulations. Pets must be kept on a leash or in an appropriate carrier at all times when outside the Tenant's unit. The following areas are off-limits to pets: Pool area, community clubhouse, garden beds.

NOISE AND NUISANCE

Tenant shall ensure that pet(s) do not cause unreasonable noise, odor, or disturbance to neighbors, other tenants, or the surrounding community. Excessive barking, howling, or other disruptive behavior shall constitute a violation of this Addendum. The Landlord may issue a written warning for the first violation. Repeated violations may result in the revocation of pet privileges under this Addendum.

WASTE CLEANUP AND SANITATION

Tenant is solely responsible for the immediate cleanup and proper disposal of all pet waste, both inside the unit and on the property grounds. Indoor pet areas must be kept sanitary and odor-free. Litter boxes, cages, and aquariums must be cleaned regularly. Failure to maintain proper sanitation may result in additional cleaning charges assessed against the Tenant.

DAMAGE AND DOG-BITE LIABILITY

Tenant shall be liable for all damages to the premises, common areas, landscaping, or other tenants' property caused by the pet(s), including but not limited to scratches, stains, torn screens, chewed woodwork, damaged flooring, and flea or pest infestations. The cost of repairs or remediation shall be the Tenant's responsibility and may be deducted from the pet deposit. If damages exceed the pet deposit, Tenant agrees to pay the remaining balance within 30 days of written notice. In addition, Tenant assumes full liability for any injury caused by the pet(s) to any person or other animal, whether under a strict-liability dog-bite statute (e.g., California Civil Code §3342 - owner strictly liable for dog bites in public places or lawfully on private property; Florida Statutes §767.04 - strict liability for dog bites) or under a traditional "one-bite" common-law rule (e.g., New York Agriculture and Markets Law §123 et seq.; dog owner's knowledge of prior vicious propensity required). Tenant shall indemnify, defend, and hold Landlord harmless from any such claims to the fullest extent permitted by law.

VACCINATION, LICENSING, AND HEALTH REQUIREMENTS

All pets must be current on vaccinations as required by local and state law, including without limitation rabies vaccination. Tenant must provide proof of current vaccinations to the Landlord upon request and annually thereafter. Pets must be licensed and, where required, microchipped in accordance with local ordinances and state statutes, including California Food and Agricultural Code §31108.3 (dog microchipping) and New York Agriculture and Markets Law §§70-75 (dog licensing). Tenant shall comply with all state and local animal-welfare laws, including restrictions on tethering, crating, and confinement, and shall maintain the pet(s) in good health and promptly address any flea, tick, or parasite issues that may arise. Tenant acknowledges that breed-specific legislation varies by jurisdiction and that some states preempt local breed bans (e.g., restrictions on municipal BSL in certain states); nothing in this Addendum authorizes the Tenant to harbor an animal prohibited by state or local law.

10.

LIABILITY INSURANCE

Tenant is strongly encouraged to maintain renter's insurance that includes pet liability coverage. The Landlord shall not be liable for any injury or damage caused by the Tenant's pet(s) to any person or property. Tenant agrees to indemnify and hold harmless the Landlord from any claims, damages, or expenses arising from the Tenant's pet(s).

11.

LANDLORD'S RIGHT TO REVOKE PERMISSION

The Landlord reserves the right to revoke the pet permission granted under this Addendum upon 30 days' written notice if the Tenant violates any of the terms set forth herein, if the pet poses a threat to the health or safety of other residents, or if the pet causes repeated disturbances or significant property damage. Upon revocation, the Tenant must permanently remove the pet from the premises within the notice period or be considered in default of the Lease Agreement.

12.

ADDITIONAL RULES

Pets must be on a leash in all common areas at all times.
Excessive barking after 10:00 PM may result in a written violation notice.
Pet waste stations are located at building entrances and must be used.

13.

GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the State of California, the Fair Housing Act (42 U.S.C. §§3601-3619), HUD Notice FHEO-2020-01 on assistance animals, the Americans with Disabilities Act (42 U.S.C. §12102 et seq.), and applicable state security-deposit, animal-welfare, and dog-bite statutes. In the event of any conflict between this Addendum and the original Lease Agreement, the terms of this Addendum shall prevail with respect to pet-related matters. Any provision of this Addendum that conflicts with mandatory federal, state, or local law shall be deemed modified to comply with such law, and the remaining provisions shall remain in full force and effect.

14.

ENTIRE ADDENDUM

This Addendum, together with the original Lease Agreement, constitutes the entire agreement between the parties regarding the keeping of pets at the premises. No oral agreements or representations shall modify the terms herein. Any amendments to this Addendum must be in writing and signed by both parties.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date indicated.

LANDLORD

James R. Patterson

Landlord

Date: ____________________

TENANT

Sarah M. Collins

Tenant

Date: ____________________

Available as a print-ready PDF or an editable Microsoft Word (.docx) file.

What Is a Pet Addendum to a Lease?

A pet addendum is a supplemental legal document used throughout the United States that modifies an existing residential lease agreement to formally authorize a tenant to keep one or more pets at the rental property. It establishes the specific terms under which pets are permitted, including financial obligations like deposits and monthly pet rent, as well as behavioral expectations and restrictions that both American parties agree to follow.

Without a pet addendum, most standard U.S. lease agreements either prohibit pets entirely or leave pet-related terms vague. This creates risk for both American landlords and tenants. Landlords face potential property damage without agreed-upon financial protections, while tenants may be subject to arbitrary rule changes or eviction. A properly drafted addendum gives both parties a clear, enforceable framework that covers deposits, breed and weight restrictions, noise rules, waste cleanup, vaccination requirements, and damage liability.

Pet addendums are used across all 50 U.S. states whenever a landlord agrees to allow pets at a rental property. They are equally important for single-family homes, apartments, and multi-unit American buildings. The addendum becomes part of the original lease once signed, giving it the same legal weight and enforceability as any other U.S. lease provision.

What's Covered in This Template

Doxuno's pet addendum template includes all essential sections needed to formally authorize pets at a rental property. Each clause is customizable for your specific situation, property rules, and state requirements.

Lease Reference Info

Approved Pet Details

Pet Deposit

Monthly Pet Rent

Breed & Weight Limits

Restricted Areas

Noise & Nuisance Rules

Waste Cleanup Duties

Damage Liability

Vaccination Requirements

Liability Insurance

Right to Revoke

How to Create a Pet Addendum

Creating a pet addendum is straightforward with our guided template. Fill in the details about your lease, pets, and property rules to generate a professional document ready for both parties to sign.

1
Enter Lease Reference Details
Provide the landlord's full name, tenant's full name, complete property address, and the date of the original lease agreement. Select the governing state so the addendum references the correct jurisdiction for any disputes.
2
Add Pet Information
Enter each pet's name, species, breed, color or markings, weight, and age. Indicate whether the pet is spayed or neutered and whether vaccinations are current. You can include up to two pets per addendum and add license or tag numbers if available.
3
Set Financial Terms
Specify the one-time refundable pet deposit amount and the monthly pet rent per pet. The deposit protects the landlord against pet-related property damage beyond normal wear and tear, while the monthly rent compensates for increased maintenance costs.
4
Define Restrictions and Rules
Set the maximum number of pets allowed, a weight limit per pet, and any prohibited breeds. List restricted areas on the property where pets are not permitted, such as pool areas or community rooms. Add any additional house rules specific to your property.
5
Review and Download
Preview the completed pet addendum with all automatically generated clauses covering noise rules, waste cleanup, damage liability, vaccination requirements, insurance recommendations, and the landlord's right to revoke permission. Download the PDF and have both parties sign.

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Templates carrying statute references are continuously updated as the law changes. Your document always reflects the current legal framework.

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Continue editing in Word after download. Add custom clauses, reuse the template for similar agreements, or share with a colleague for collaborative review.

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Legal Considerations for US Pet Addendums

Pet addendums are governed by state and local landlord-tenant laws, which vary significantly across the United States. Understanding the American legal landscape helps both U.S. landlords and tenants create an addendum that is fair, enforceable, and compliant with applicable regulations.

This template is provided for informational purposes and does not constitute legal advice. Pet deposit limits, breed restriction laws, and tenant rights vary by state and municipality. Consult a licensed attorney in your jurisdiction for specific guidance.

Reviewed by legal professionals. The content on this page and the template clauses have been reviewed by licensed attorneys in the United States to ensure accuracy and legal soundness for standard pet addendum scenarios.

Pet Deposits and State Limits

Most U.S. states allow landlords to charge a pet deposit in addition to the standard security deposit, but some American states cap the total deposit amount a landlord can collect. For example, California limits the total security deposit (including pet deposits) to one month's rent for unfurnished units. Other U.S. states have no caps at all. It is important to verify your state's rules before setting the deposit amount in your addendum to ensure it is enforceable under American landlord-tenant law.

Fair Housing Act and Assistance Animals

The U.S. Fair Housing Act requires American landlords to make reasonable accommodations for tenants with disabilities who require service animals or emotional support animals. These animals are not considered pets under U.S. federal law, and landlords generally cannot charge pet deposits, pet rent, or impose breed or weight restrictions for them. A pet addendum applies only to traditional household pets and should not be used as a substitute for assistance animal accommodation requests.

Breed-Specific Legislation

While U.S. landlords can typically include breed restrictions in a pet addendum, some American cities and states have enacted breed-neutral ordinances that prohibit breed-specific bans. Before including breed restrictions, verify whether your local U.S. jurisdiction allows them. Even where permitted, breed restrictions should be clearly stated in writing to avoid ambiguity and potential disputes.

Frequently Asked Questions

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