The Pet Math That Most Landlords Get Wrong
Apartment List's 2025 renter survey found 72% of households have at least one pet and 41% report difficulty finding pet-friendly rentals. Translation: marking a listing pet-friendly expands your applicant pool by roughly 2-3x, reduces vacancy by 5-10 days on average, and lets you charge a premium of $25-$50 per pet per month plus a refundable pet deposit. The damage cost over a 24-month tenancy from one pet runs $0-$600 in most cases. The math is not close.
The Three-Layer Pet Policy
- Pet rent — recurring monthly charge, typically $25-$50/pet. This is what compensates you for cumulative wear (carpet, doors, scratches) and shifts the unit's expected return profile.
- Pet deposit (refundable) — typically $250-$500, separate from the standard security deposit. Subject to the same return rules; document use carefully.
- Pet fee (non-refundable) — banned or restricted in several states (California, Washington), so check before charging. Where legal, $200-$400 covers the cleaning step at turnover.
The ESA and Service Animal Carveout
This is where landlords get themselves into legal trouble. Under the federal Fair Housing Act, service animals and emotional support animals (ESAs) are not pets. You cannot charge pet rent, pet fees, or pet deposits for them. You can ask for documentation only in limited ways:
- For a service animal: you may ask (1) is this animal required because of a disability and (2) what work or task is it trained to perform. You cannot ask for medical records.
- For an ESA: you may request reliable documentation from a healthcare provider establishing the disability-related need. HUD has cracked down on fraudulent online ESA letters; you can validate the provider's credentials, but you cannot reject based on the provider being out of state or online-only.
If the animal causes damage, you can still charge the damage against the security deposit. You just cannot charge pet-specific fees up front.
Breed Restrictions and Insurance Reality
Most landlord policies have dog breed exclusions — typically pit bulls, Rottweilers, Dobermans, German Shepherds, wolf hybrids, and a handful of others. If your insurance excludes a breed and you allow it, a bite claim could be denied entirely. Two paths forward:
- Honor your insurer's restricted-breed list and disclose it in the listing.
- Find an insurer (Steadily and Obie are typically friendlier here) that does not exclude breeds, and accept the higher premium.
Fair Housing note: breed restrictions cannot be applied to service animals or ESAs even if your insurance excludes the breed. In that case, you may be able to require additional liability coverage from the tenant.
The Application Step You Should Add
Require a "pet resume" with the application: breed, weight, age, vaccination records, and a vet reference. Pet-specific screening services like PetScreening.com cost $20-$25 and run a behavior and risk score. This is not theater — vet references are remarkably honest about whether an animal is destructive, and you genuinely learn things from a 5-minute call.
The Lease Addendum Worth Drafting
The pet addendum that has held up best in disputes I have seen includes:
- Specific identification of the animal (name, breed, weight, photo).
- Vaccination requirement with annual proof.
- Liability assignment for any damage to the unit or harm to others.
- A pet-removal clause if the animal causes documented disturbance or damage (with cure period).
- Common-area rules (leashed in hallways, waste disposal, no off-leash in shared yards).
The Turnover Reality
A unit that has had a pet for 24 months typically needs:
- One additional cleaning service ($150-$250).
- Carpet deep-clean rather than standard ($120-$200 incremental).
- Roughly 25% chance of needing carpet replacement in heavy-traffic rooms after 5 years of consecutive pet tenancies. Budget accordingly.
None of these numbers, in aggregate, exceed the pet rent collected over a typical tenancy. The marginal economics of pet-friendly are positive even when you do the work on the back end.
Pet-friendly is almost always the right answer in 2026. The reason it does not feel that way to many landlords is that the damage is concentrated and the income is distributed. Write the policy that captures both sides.