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California’s 30-Day Rule for ESA Letters: What It Means and How to Prepare

Brian Lee BurkeBrian Lee Burke
Jun 26, 2025 5 min read
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California’s 30-Day Rule for ESA Letters: What It Means and How to Prepare

ESA Letters Just Got Stricter in California

Emotional support animals (ESAs) can help individuals manage various mental health conditions, from depression and anxiety to PTSD and OCD. Landlords are obligated under the Fair Housing Act (FHA) to make accommodations for tenants who have emotional support animals (ESAs), meaning these animals can live on the property even if pets are typically restricted. Also, landlords are prohibited from charging tenants any pet deposits or rent for an ESA. All the tenant needs to do is show a valid ESA letter from a licensed mental health practitioner.

However, recently, California added extra legal protections and regulations around ESA letters. Part of these protections includes a "30-day rule," which is one of the most critical and misunderstood elements of the legislation. This article explains what it means, who it affects, and how to stay compliant if you need a California ESA letter.

What Is the 30-Day Rule?

California's ESA legislation, also known as Assembly Bill No. 468 (AB-468), was enacted on January 1, 2022. A significant requirement is maintaining an active relationship with a licensed mental health provider for a minimum of 30 days before they are eligible to issue an ESA letter.

This applies to any new ESA letters written for use in housing. The legislation aims to prevent fraudulent or instant ESA letters from illegitimate providers. Ultimately, it helps protect both landlords and tenants from being taken advantage of by bad actors.

Why California Enacted This Rule

The main reason California enacted the 30-day rule is to crack down on online ESA mills and protect housing providers from abuse. While many legitimate services are providing ESA letters, there are also fraudulent services that take advantage of people dealing with mental health problems. The rule helps to ensure ESA letters come from legitimate mental health evaluations, not pay-to-download forms.

It also serves to protect the rights of individuals with legitimate emotional support needs by enhancing the credibility of ESA letters. The requirement to have an existing relationship with a provider before they write your ESA letter means landlords and others will see ESA letters as legitimate rather than a way to circumvent pet rules in a rental home.

Who Needs to Follow the 30-Day Rule?

Any California resident seeking an ESA letter for housing accommodations and working with a California-licensed mental health professional must follow the 30-day rule. There are no exceptions.

Landlords in California can legally reject ESA letters that don't meet the 30-day requirement, so it's essential that you follow this rule and don't try to sneak around it.

What This Means for You If You Need an ESA Letter

If you live in or are moving to California and need an ESA letter, here are some key considerations to keep in mind.

You'll Need to Start Early

Plan—don't wait until you're applying for a new apartment before looking into the ESA letter process. If you don't have an existing mental health provider, start building a relationship with a new provider over 30 days before requesting the letter to ensure you can meet the time requirements.

You'll Likely Need Two or More Appointments

Most providers will schedule an initial consultation, followed by at least one more session after the 30-day mark. This helps establish a documented therapeutic relationship that will legitimize your ESA letter with the state.

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You Must Work with a California-Licensed Provider

ESA letters used in California must be issued by a provider licensed to practice in the state. You cannot use an ESA letter from a provider in a different state. If you're moving to California, you must establish a relationship with a new, California-based provider at least 30 days before your move date to ensure you can bring your ESA. Letters from out-of-state providers may be rejected.

What an ESA Letter Must Include Under California Law

California ESA law AB-468 requires ESA letters to include the following information:

  • Confirmation of a diagnosed mental or emotional disability
  • A statement that the ESA is part of the individual's treatment plan
  • The provider's full name, license number, license type, and jurisdiction
  • A note confirming the 30-day therapeutic relationship requirement has been met
  • The letter must be issued on official letterhead, signed, and dated

California providers should be familiar with these requirements; however, it's wise to review your ESA letter to ensure it complies with the law before presenting it to your landlord.

How to Prepare (and Protect Yourself)

Recognizing that the ESA letter process in California is slightly more complex than in most other states, it's essential to prepare thoroughly to protect yourself and ensure your ESA is permitted in your home. These tips will help ensure you're well prepared.

  • Start the process early if you think you'll need ESA housing accommodations
  • Avoid "instant ESA" sites that don't offer actual therapy or state-compliant timelines
  • Keep written records of all sessions and communications with your provider
  • Confirm your provider is licensed in California before beginning the process

As long as you plan and check all the right boxes, your ESA letter process in California should be smooth.

Final Thoughts: Protecting Your Rights Starts with Doing It Right

California's 30-day rule may seem like a hurdle for individuals who need an ESA, but it serves to protect both tenants and landlords. If you genuinely need emotional support, taking the proper steps helps to ensure your ESA letter will be valid and respected by your landlord. The key is to plan, stay educated, and consult with licensed professionals who are well-versed in California's ESA letter regulations.

FAQs

Q: Does California's 30-day rule apply to all ESA letters?

Yes—for ESA letters used for housing accommodations in California, a 30-day provider relationship is required.

Q: Can I still get an ESA letter online in California?

Only if the provider is licensed in California and complies with the 30-day relationship law.

Q: What happens if I use a letter that doesn't meet this rule?

Landlords can legally deny your request, and you may lose housing protections.

Q: Can I speed up the 30-day requirement?

No. The law mandates a whole 30-day therapeutic relationship before the letter can be issued.

Q: How do I know if my therapist qualifies?

They must be licensed in California as a therapist, psychologist, psychiatrist, or clinical social worker.

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WRITTEN BY
Brian Lee Burke
Brian Lee Burke
AUTHOR, E-PRO®, REALTOR® BROKER

Brian Lee Burke is the founder and team leader of Kenna Real Estate Group, a real estate team at Keller Williams DTC. A licensed REALTOR® since 2002, Brian helps Colorado buyers and sellers navigate residential real estate, new construction, pricing, and negotiation. He is also the author of The Real Estate Playbook and Mastering Real Estate: Your Guide to Becoming a Top Agent.

View Brian Lee Burke’s full profile.