Most property managers have felt it, a new resident submits an ESA letter from an online provider they found in five minutes, and suddenly their 80-pound dog is exempt from pet rent, pet deposits, and breed restrictions. The letter looks official enough. The staff member receiving it is not trained to evaluate it. The path of least resistance is to accept it and move on. Multiply that scenario across dozens of units, and the financial impact can be immense.
The Scope of the Problem
Industry data suggests that ESA claims in multifamily housing have increased dramatically over the past decade. While many of these claims are legitimate, a significant portion are not. Online ESA letter mills have made it easy for animal owners to purchase documentation after completing a questionnaire and/or one short interview. Documentation obtained in this manner is not considered reliable. Due to the extremely brief nature of the typical process, the U.S. Department of Housing and Urban Development (HUD) identifies this as an insufficient method to establish that an individual has a disability-related need for an assistance animal.
For property managers, the challenge is twofold. First, you cannot simply deny ESA requests without a compliant process. HUD guidance allows housing providers to request reliable documentation when a disability-related need is not readily apparent. The challenge for most onsite teams is knowing how to evaluate that documentation consistently and compliantly, which may include an exemption from pet fees and restrictions for an animal. Violating these rights carries severe penalties. Second, you cannot afford to accept every request at face value. Each unverified ESA that should be a standard pet represents $600–$1,500 per year in lost revenue (pet rent + pet deposit).
What Unverified ESAs Actually Cost
Here is a quick exercise to figure out the number. Take the number of units in your community, say, 350 units. Multiply by 40% (the average pet ownership rate in multifamily) and you get roughly 140 pet-owning units. Now multiply by a one-time $300 non-refundable pet fee and $35/month in pet rent.
That's $42,000 in upfront fee revenue, plus $4,900 per month, or $79,800 per year in recurring pet revenue, at full collection.
Fraudulent ESA requests are another area of potential loss. For an average 350-unit community, that gap represents $20,000 per year in uncollected revenue.
Undisclosed pets are another area of potential loss. For this size community, that gap represents $18,000 per year in uncollected revenue.
And none of this includes pet-related damage costs that deposits and fees are designed to cover , costs that still occur whether or not the animal is classified as an ESA.
Why Most Properties Handle ESAs Reactively
The reason most properties accept questionable ESA letters is not negligence. It is risk aversion. Fair housing complaints are expensive, time-consuming, and reputation-damaging. Without a structured, legally compliant verification process, saying no feels riskier than saying yes. This is exactly the problem professional pet screening solves.
How Professional Pet Screening Works
A compliant pet screening platform does several things simultaneously. It creates a standardized intake process for all animals, whether pets or assistance animals. It applies HUD-compliant verification criteria to assistance animal requests. It provides documentation that protects the property in the event of a fair housing inquiry. And it identifies which animals are legitimately pets and should be subject to standard pet fees.
The result: residents with genuine disability-related needs for assistance animals are accommodated quickly and respectfully. Residents with pets pay appropriate fees. The property recovers revenue that was previously lost to unverified claims. And the entire process is documented for compliance.
The ROI of Pet Screening
For most properties, pet screening pays for itself within the first month of implementation. The math is straightforward: if a screening platform costs $1 per unit per month and recovers $30,450 in previously lost pet revenue annually, the ROI is immediate and compounds over time. At 350 units, that's $4,200/year in platform cost against $30,450 in recovered revenue — a 7x return in year one alone.
Beyond direct revenue recovery, properties that implement screening also report: fewer fair housing complaints due to standardized processes, reduced staff time spent evaluating ESA letters, more consistent policy enforcement across the portfolio, and better documentation for legal protection.
Getting Started
If your community does not currently have a structured pet screening process, the first step is understanding the scope of the issue across your portfolio. How many ESA designations does your portfolio carry? What percentage of those have been formally verified? How much pet revenue are you leaving uncollected?
OurPetPolicy offers a complimentary pet policy audit that helps operators identify:
• Current pet registration rates
• The number of assistance animal designations
• Potential uncollected pet revenue
• Policy gaps that create compliance risk
The result is a clear operational and financial snapshot , and a roadmap for improvement.
The Pet Revenue Leakage Diagnostic
Many operators assume their pet policies are working because pet fees appear on the rent roll. But when communities conduct a structured review, they often discover hidden revenue leakage in several areas. Ask yourself a few simple questions:
1. How many animals are registered in your community?
If a 300-unit property reports only 40 pets, that number is likely inaccurate. National pet ownership rates suggest that 50–70% of households own at least one pet.
2. How many assistance animals are documented?
An unusually high percentage of ESAs may indicate residents bypassing standard pet registration processes.
3. Are ESA letters evaluated consistently across your portfolio?
Many properties rely on individual staff members to review documentation, creating inconsistent decisions and compliance risk.
4. Do you know how many pets are unregistered?
Undisclosed pets are one of the largest sources of lost revenue in multifamily housing.
5. Are pet policies enforced uniformly across all properties?
Without a standardized process, enforcement often varies by property, region, or even staff member.
When operators review these questions across a portfolio, they frequently uncover significant pet revenue leakage , sometimes tens or hundreds of thousands of dollars annually.
The good news: once identified, these gaps are often straightforward to correct with standardized screening and documentation processes.
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