Published August 17, 2026 · Michigan

ESA Weight Limits in Michigan: Why Size Caps Don't Apply Under the FHA

A Michigan landlord's "25-pound pet limit" or "no dogs over 40 pounds" clause is a common feature of Grand Rapids, Detroit, and Ann Arbor lease agreements. For a household with a large-breed emotional support animal, that clause can feel like an immediate dead end. It generally is not. Under the federal Fair Housing Act (FHA) and the U.S. Department of Housing and Urban Development's guidance, a property's ordinary weight or size restrictions are not automatically enforceable against an emotional support animal that has been individually assessed as a reasonable accommodation. This guide walks through, step by step, how a Michigan renter with a large dog can request that accommodation the right way, and where a size-based denial is likely to run into legal trouble.

Why Weight Limits Generally Don't Control ESA Requests

Ordinary pet policies, including breed, weight, and size caps, are a landlord's prerogative for pets. Emotional support animals are legally distinct from pets once a reasonable accommodation request has been properly submitted. HUD's FHEO-2020-01 Notice ("Assessing a Person's Request to Have an Animal as a Reasonable Accommodation Under the Fair Housing Act") directs housing providers to evaluate two questions only: does the person have a disability, and does the animal provide disability-related assistance. A blanket size or weight cap is not part of that analysis. A landlord who denies a request solely because the dog exceeds a pound limit, without an individualized review, is applying a categorical policy to a request the FHA requires to be handled case by case.

Michigan compounds this with its own civil rights law. The Michigan Persons with Disabilities Civil Rights Act (PWDCRA), MCL 37.1101 et seq., parallels the FHA's reasonable accommodation framework and applies to housing across the state, including buildings that might otherwise sit outside certain federal exemptions. Renters in Michigan effectively have two overlapping legal bases, federal and state, for challenging a categorical size denial. For the full breakdown of how the FHA interacts with Michigan housing law, see our guide on the Michigan ESA housing letter and the FHA.

What You'll Need

• An ESA letter from a licensed mental health professional (LMHP) licensed in Michigan, or otherwise permitted to treat you under Michigan law, who has evaluated whether an ESA may be therapeutically appropriate for you
• A written reasonable accommodation request addressed to your landlord or property management company
• Basic information about your animal (species, and general description, not a weight-based justification)
• A copy of your lease, so you can identify the specific pet policy language you're addressing
• Patience for a documented back-and-forth, since Michigan law does not set a hard statutory response deadline the way some housing statutes do

Step-by-Step: Requesting a Large-Dog ESA Accommodation in Michigan

Step 1: Confirm an ESA may be appropriate for you

Many people with anxiety, depression, PTSD, or other conditions find that an emotional support animal is a helpful part of their coping strategy, but this determination belongs to a licensed clinician, not a landlord and not a self-assessment. Schedule an evaluation with an LMHP licensed in Michigan (a psychologist, psychiatrist, LMSW, LPC, or licensed primary care provider where Michigan law permits) who can determine whether an ESA is clinically appropriate for your specific circumstances.

Step 2: Obtain a properly issued ESA letter

A valid letter comes only from a licensed mental health professional who has assessed you individually. There is no such thing as an "ESA registry," "ESA certification," or national ESA database, HUD has explicitly warned that these are not legitimate and carry no legal weight. Be cautious of any service promising instant or guaranteed approval; a legitimate clinician evaluates each person before determining whether a letter is appropriate.

Step 3: Understand what the letter does, and doesn't, say about your dog's size

An ESA letter documents the disability-related need for an emotional support animal. It has nothing to do with your dog's breed or weight, and it shouldn't need to. If your landlord asks the letter to specifically address why a 90-pound dog rather than a smaller one, that request typically goes beyond what HUD guidance allows a housing provider to demand. The clinician's role is to speak to your need for an ESA, not to justify the animal's size.

Step 4: Submit a written reasonable accommodation request

Put the request in writing, reference the FHA and HUD's FHEO-2020-01 notice, attach the ESA letter, and ask for a waiver of the pet weight or breed policy as it applies to your specific animal. Keep a copy and note the date sent. If your lease contains a related no-pets clause rather than just a weight cap, our related article on no-pets policies and ESAs in Michigan covers that scenario specifically.

Step 5: If the landlord cites breed or weight restrictions, respond with the individualized-assessment standard

A common landlord response is to point back to a blanket restriction in the lease. Politely reiterate, in writing, that HUD guidance directs housing providers to assess ESA requests individually rather than through categorical breed, weight, or size policies. If breed comes up specifically, our guide to breed restrictions and ESA dogs in Michigan walks through that overlapping issue in more depth.

Step 6: Know the narrow grounds for a legitimate denial

A landlord isn't required to grant every request. Legitimate grounds for denial are narrow and specific: a direct threat to the health or safety of others that can't be reduced by another accommodation, significant physical damage to property that can't be reduced or eliminated by another accommodation, or an undue financial or administrative burden. "This dog is too big" or "this breed isn't allowed by our insurance" is rarely, on its own, sufficient under HUD's standard, though insurance-driven safety concerns tied to documented individual behavior are evaluated case by case.

Step 7: Escalate if the denial persists

If a size-based denial continues after you've submitted a compliant request, you can file a complaint with HUD, the Michigan Department of Civil Rights, or consult a Michigan-licensed attorney about your options. This is also the point where legal advice, not general information, becomes important.

Tips for a Smoother Process

• Lead with the FHA and HUD citation in your first written request, this often resolves size-based pushback before it escalates
• Keep all communication in writing or follow up verbal conversations with a written summary
• Don't volunteer details about your diagnosis beyond what your clinician includes in the letter
• If your dog has completed basic obedience training, mentioning that (without over-explaining) can ease safety-related concerns, though it isn't a legal requirement

Common Mistakes to Avoid

• Assuming a bigger deposit or "pet rent" applies. Reasonable accommodations are generally not subject to standard pet fees or pet rent, since the animal isn't a pet under the accommodation framework.
• Using an online ESA registry or certificate instead of a clinician letter. These carry no legal standing and can undermine an otherwise valid request.
• Letting the landlord's lease language go unchallenged. A weight limit printed in a lease does not override FHA and PWDCRA obligations.
• Escalating to a formal complaint too early. A clear, well-documented written request often resolves the issue without HUD or court involvement.
• Assuming this applies to air travel. ESAs no longer carry Air Carrier Access Act protections; airlines generally treat them as ordinary pets since the 2021 DOT rule change.

What You Can Expect

Outcomes vary by property, management company, and the specifics of the request, and a documented, correctly framed request tends to resolve more smoothly than an undocumented one. Many Michigan renters with large-breed ESAs find that citing HUD's individualized-assessment standard directly is enough to move a stalled request forward. That said, results are never guaranteed, some housing providers push back regardless of the law, and a landlord retains narrow, legitimate grounds to deny a request tied to documented safety or property-damage concerns rather than size alone.

A Note on Michigan Housing Types

Disclaimer: This article is for general informational purposes only and does not constitute medical, mental-health, or legal advice. Whether an emotional support animal, including a large-breed dog, may be therapeutically appropriate for you is a determination that should be made by a licensed mental health professional in an individualized clinical evaluation. Whether a specific landlord's weight, size, or breed policy is enforceable against a particular ESA request depends on the facts of that situation. For a clinical evaluation, consult a Michigan-licensed mental health professional. For a housing dispute, including a denied or contested accommodation request, consult a Michigan-licensed attorney or contact your local legal aid office for guidance on Fair Housing Act and Michigan Persons with Disabilities Civil Rights Act enforcement.