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Updated August 2026 · Connecticut

Emotional Support Animal (ESA) Letters in Greenwich, CT

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Written and fact-checked by Support Animal Editorial TeamReviewed by licensed providersLast reviewed August 2026

ESA letter in Greenwich, CT, emotional support animal rules for renters: population 64,594, 30% of households rent, under Connecticut law (Support Animal
ESA letter rules in Greenwich at a glance), the local numbers and the Connecticut law behind them.

64,594

Population

30%

Households renting

Varies by building

Typical pet rent

what buildings charge pets

$0

ESA pet fees

assistance animals are not pets under the FHA

What Greenwich Renters Pay for a Pet, vs. an ESA

As a PetWith a Valid ESA Letter
Pet depositCapped: 2 months' rent$0
Monthly pet rentVaries by building$0
Breed & weight limitsCommonly enforcedCannot be applied
No-pets buildingsOff limitsMust reasonably accommodate

Typical Greenwich figures from local listings; individual buildings vary. ESA exemptions apply with reliable documentation from a licensed professional.

The costliest median rent among Connecticut’s twenty largest towns

Greenwich had 64,594 residents on the 2024 Census estimate, tenth among Connecticut’s towns. Size is not what makes it unusual on this list. Price is.

Median gross rent here is $2,674 on the 2020-2024 American Community Survey: the highest of the state’s twenty largest towns, ahead of Stamford at $2,276, Fairfield at $2,185 and Norwalk at $2,073, and $1,186 above the $1,488 Connecticut median.

Renting is also comparatively rare. Of 23,094 occupied homes, 6,932 are rented: 30.0 percent, below the 33.5 percent state share, with only three of the twenty largest towns holding a smaller renter share. A Greenwich renter is in a local minority paying the state’s steepest median.

Which is why the Greenwich version of this question arrives attached to a number: the sum a landlord took at the front of the tenancy and is still holding.

Two months, one month, and the line drawn at sixty-two

Connecticut caps that sum, and the cap is written in two tiers. Section 47a-21(b)(1) provides that “[i]n the case of a tenant under sixty-two years of age, a landlord shall not demand a security deposit in an amount that exceeds two months’ rent.” Subsection (b)(2) then says:

In the case of a tenant sixty-two years of age or older, a landlord shall not demand a security deposit in an amount that exceeds one month’s rent.

Run Greenwich’s median through both. Two months is roughly $5,348. One month is roughly $2,674. The gap between the two tiers (the money that sits with the landlord or with the tenant depending on nothing but a date of birth) is about $2,674. That single month here is close to the whole two-month ceiling a Bridgeport tenant under sixty-two faces at that town’s $1,450 median: the tier is a multiple of local rent, not a dollar figure.

These are illustrations computed from the median, not quoted market terms. Your ceiling is two, or one, times your rent.

The birthday that arrives in the middle of a lease

The second half of (b)(2) rarely makes it into a leasing conversation, and it does real work:

Any landlord who has received a security deposit in an amount that exceeds one month’s rent from a tenant who becomes sixty-two years of age after paying such security deposit shall return the portion of such security deposit that exceeds one month’s rent to the tenant upon the tenant’s request.

Read the last four words. Nothing is triggered by the birthday itself. The landlord’s duty to hand back roughly $2,674 at the local median crystallises when the tenant asks, and a tenant who never asks is owed nothing under this subsection. So ask in writing, date it, and keep the copy.

That matters where an accommodation is already in play. These are separate rights, and asking for one does not spend the other.

A deposit that never stopped being yours

Connecticut is also unusually clear about whose money is being held. Section 47a-21(c) states that “[a]ny security deposit paid by a tenant shall remain the property of such tenant in which the landlord shall have a security interest,” and that it “shall be exempt from attachment and execution by the creditors of the landlord and shall not be considered part of the estate of the landlord in any legal proceeding.”

At Greenwich sums that is not academic. Two months at the median is around $5,348 of a tenant’s money, and the statute keeps it out of reach of whoever the landlord happens to owe.

It also earns. Section 47a-21(i) requires interest on each security deposit at a rate not less than the deposit index defined in § 36a-26, and “[o]n the anniversary date of the tenancy and annually thereafter, such interest shall be paid to the tenant or resident or credited toward the next rental payment due.” Section 47a-21(a)(1) defines accrued interest as that interest “compounded annually to the extent applicable.” The same subsection blocks the obvious workaround (a landlord may not raise the rent because of the requirement to pay that interest), and withholds interest only for a month in which rent ran more than ten days late without a late charge being imposed.

When the tenancy ends, § 47a-21(d)(2) sets the deadline: the deposit with accrued interest, or a written statement of damages, “not later than twenty-one days after termination of a tenancy or fifteen days after receiving written notification of such tenant’s forwarding address, whichever is later.” The forwarding address is the half of that clock you control.

None of it becomes a pet charge

The cap follows the money, not the label on it. Section 47a-21(a)(11) defines a security deposit as any advance rental payment “except an advance payment for the first month’s rent or a deposit for a key or any special equipment.” A refundable “pet deposit” is an advance rental payment. It therefore counts against the ceiling rather than sitting on top of it.

At Greenwich prices the arithmetic is stark. A one-month refundable pet deposit is about $2,674, which for a tenant of sixty-two consumes the entire lawful ceiling on its own, leaving nothing for an ordinary security deposit. A landlord asking for both is asking for something § 47a-21(b)(2) does not permit.

Two things sit outside the definition, and Connecticut caps neither: monthly pet rent and non-refundable fees. The words “pet” and “animal” appear nowhere in the security-deposit chapter. So the deposit cap is not the answer to a pet charge — the accommodation is.

What the request establishes, and what nobody can sell you

The operative sentence is § 46a-64c(a)(6)(C)(ii): discrimination includes “a refusal to make reasonable accommodations in rules, policies, practices or services, when such accommodations may be necessary to afford such person equal opportunity to use and enjoy a dwelling.” A no-pets clause is a rule in “rules, policies, practices or services,” and 24 C.F.R. § 100.204(a) says substantially the same thing federally. Section 46a-64b(8) defines “physical or mental disability” to include, “but not limited to,” persons with a handicap as the federal Fair Housing Act defines it.

An approved accommodation waives the rule. It does not buy a place on the building’s pet fee schedule, which is why the pet deposit, the pet fee and the pet rent all fall away together rather than being negotiated down.

And there is nothing to purchase that produces this result. Connecticut’s one free tag, under § 22-345, goes to a person with a disability whose dog is trained, or in training, as a service animal, and that section takes its definition of “service animal” from 28 C.F.R. § 35.104, which turns on individual training to do work or perform tasks and excludes animals whose function is emotional support. No registry, certificate, vest or ID number moves a Greenwich landlord. A clinician’s judgement does.

If the answer is no, and how the letter gets written

A refusal by a covered landlord goes to the Commission on Human Rights and Opportunities, whose site starts a complaint with an online inquiry form it states is available in English, Spanish and Polish, beside a “How to File a Discrimination Complaint” link. Section 46a-82(a) files complaints in writing under oath “except that a complaint that alleges a violation of section 46a-64c need not be notarized” (46a-64c being the housing section), and § 46a-82(f)(2) allows 300 days from the act complained of. An older tenant weighing whether it is worth it can also start at the Department of Aging and Disability Services, whose stated mission is maximising “opportunities for the independence and well-being of people with disabilities and older adults in Connecticut.”

None of that begins without the letter, and the letter carries only two assertions: a disability, and an animal needed on account of it. No diagnosis, no records, no symptom list.

A clinician already treating you is the cheapest signature to get and the one to try first, bearing in mind the wait for a slot, and that a Connecticut housing letter may be something nobody has ever asked them to write. A community mental-health clinic is the second route, slower again, because its intake is designed to open a course of care rather than to conclude in a document.

A licensed evaluation exists for the case where neither works: screening questions, a Connecticut-licensed clinician, and a letter only if the assessment supports one. Everything above it (the tiered ceiling, the accrued interest, the waived rule), depends on that judgement, and no deposit cap, tag or receipt is a substitute for it.

What Greenwich Landlords Can and Cannot Do

Cannot ✕

  • Cannot refuse a reasonable accommodation in rules, policies, practices or services where it may be necessary to give a person with a disability an equal opportunity to use and enjoy a dwelling: Conn. Gen. Stat. § 46a-64c(a)(6)(C)(ii), and 24 C.F.R. § 100.204(a) federally.
  • Cannot treat a no-pets policy as the end of the conversation, because a no-pets policy is one of the "rules, policies, practices or services" the statute names.
  • Cannot apply a narrower idea of disability than Connecticut's own. Section 46a-64b(8) defines physical or mental disability as including, "but not limited to," the federal Fair Housing Act's "handicap": the federal test is the floor here, not the ceiling.
  • Cannot demand a state registration, certificate or town tag for an emotional support animal. The free tag § 22-345 provides is for service animals as defined in 28 C.F.R. § 35.104, and no Connecticut tag exists for an ESA.
  • Cannot charge pet rent, a pet deposit or a pet fee for an approved assistance animal, because the accommodation changes a rule rather than granting permission to keep a pet.
  • Cannot demand a security deposit above two months' rent, or above one month's rent from a tenant aged 62 or older, § 47a-21(b), and must return it, or a written statement of damages, within twenty-one days.
  • Cannot coerce, intimidate, threaten or interfere with a tenant for making the request or for helping someone else make one: § 46a-64c(a)(9).
  • Cannot rely on the owner-occupied exemption in a three-family house. Section 46a-64c(b)(1)(B) reaches dwellings for "no more than two families" where the owner lives in the other unit, and stops there.

Can ✓

  • May ask whether the tenant has a disability and a disability-related need for the animal, and may seek documentation establishing those two things: the boundary state and federal law draw, and the boundary § 46a-64d directs the commission to explain.
  • May decline where the specific animal would be a direct threat or would cause substantial physical damage, on an individual assessment of the actual animal rather than a rule about its breed or weight.
  • May count a refundable pet deposit against the § 47a-21(b) ceiling rather than on top of it, because the cap applies to any advance rental payment other than first month's rent or a key deposit.
  • May fall outside § 46a-64c where the rental is a room in the owner's own single-family home, § 46a-64c(b)(1)(A). The federal Fair Housing Act still applies on its own terms.

How to Get an ESA Letter in Greenwich

  1. Check that you qualify

    Answer a short screening about how your condition affects daily life in Greenwich. No diagnosis paperwork needed up front.

    About 5 minutes: free

  2. Connect with a licensed professional

    You are matched with a provider licensed for Connecticut clients who reviews your situation in a telehealth evaluation.

    Telehealth evaluation

  3. Complete your evaluation

    The professional evaluates whether an emotional support animal alleviates symptoms of a condition recognized in the DSM-5. Honest evaluations, not everyone qualifies.

    Most of Our Applicants Qualify

  4. Receive your signed letter

    Your letter arrives on the professional's letterhead with their license number: the documentation Connecticut landlords may lawfully request.

    Typically within days of approval

  5. Send it to your landlord

    Submit the letter with a short reasonable-accommodation request. Pet fees, pet deposits, and breed limits no longer apply to your animal in Greenwich.

    Protection under FHA + state law

Conditions That Can Qualify for an ESA

There is no fixed government list. A licensed professional evaluates whether an animal alleviates symptoms of a qualifying condition recognized in the DSM-5, commonly:

  • Generalized anxiety disorder
  • Major depressive disorder
  • Post-traumatic stress disorder (PTSD)
  • Panic disorder
  • Social anxiety disorder
  • Obsessive-compulsive disorder (OCD)
  • Bipolar disorder
  • Attention-deficit/hyperactivity disorder (ADHD)
  • Phobias with housing impact
  • Chronic stress affecting daily function

Only a licensed professional can determine whether you qualify: beware any site promising instant approval.

Housing Help in Greenwich

Nearby City Guides

ESA Letter FAQs for Greenwich, CT

I turn 62 next month and my Greenwich landlord already holds two months' rent. Do I get half back?

You get it back if you ask for it, and the statute is unusually explicit about that. Section 47a-21(b)(2) provides that "[a]ny landlord who has received a security deposit in an amount that exceeds one month's rent from a tenant who becomes sixty-two years of age after paying such security deposit shall return the portion of such security deposit that exceeds one month's rent to the tenant upon the tenant's request." Nothing happens automatically on the birthday: the return is triggered by the request, so make it in writing and date it. At Greenwich's $2,674 median gross rent on the 2020-2024 American Community Survey, the portion above one month's rent is roughly $2,674, which is a month of the most expensive median rent among Connecticut's twenty largest towns.

How much can a Greenwich landlord hold as a deposit if I have an assistance animal?

The same amount as if you did not, because Connecticut's cap is on the security deposit rather than on animals. Section 47a-21(b)(1) sets two months' rent for a tenant under 62 (near $5,348 against Greenwich's $2,674 median gross rent), and § 47a-21(b)(2) sets one month's rent, about $2,674, at 62 or older. The label on the money does not change the arithmetic: § 47a-21(a)(11) defines a security deposit as any advance rental payment "except an advance payment for the first month's rent or a deposit for a key or any special equipment," so a refundable pet deposit sits inside the ceiling, not on top of it. Once an accommodation is approved the pet charge should not be there at all.

My Greenwich landlord wants pet rent and a non-refundable pet fee for my ESA. Is that lawful?

Not for an approved assistance animal. The accommodation under Conn. Gen. Stat. § 46a-64c(a)(6)(C)(ii) is a change to "rules, policies, practices or services": the no-pets rule is waived, which is not the same as being granted permission to keep a pet on the building's fee schedule. Worth knowing where the statutory protection stops, though: monthly pet rent and non-refundable fees are not advance rental payments, so they fall outside the § 47a-21(a)(11) definition entirely and Connecticut caps neither of them. The words "pet" and "animal" do not appear in the security deposit chapter at all. The argument that removes those charges is the accommodation, not the deposit cap.

Whose money is a security deposit in Connecticut while the landlord is holding it?

Yours. Section 47a-21(c) states that "[a]ny security deposit paid by a tenant shall remain the property of such tenant in which the landlord shall have a security interest," and that it "shall be exempt from attachment and execution by the creditors of the landlord and shall not be considered part of the estate of the landlord in any legal proceeding." That is a real protection at Greenwich sums: two months at the local median is around $5,348, and the statute keeps it out of reach of anyone the landlord owes money to. The landlord holds a security interest in it against your obligations under the lease, not a share of it.

Does my Greenwich deposit earn interest, and can the landlord raise the rent to cover it?

It earns interest, and no. Section 47a-21(i) requires a landlord to pay interest on each security deposit at a rate not less than the deposit index defined in § 36a-26, and "[o]n the anniversary date of the tenancy and annually thereafter, such interest shall be paid to the tenant or resident or credited toward the next rental payment due." Section 47a-21(a)(1) defines accrued interest as that interest "compounded annually to the extent applicable." The same subsection closes the obvious workaround: no landlord may increase the rent due from a tenant because of the requirement to pay interest on the deposit. Interest is not owed for a month in which rent was more than ten days late, unless the landlord charged a late fee for it.

When does the deposit have to come back after I leave a Greenwich rental?

Section 47a-21(d)(2) fixes the deadline as "not later than twenty-one days after termination of a tenancy or fifteen days after receiving written notification of such tenant's forwarding address, whichever is later": the landlord delivers the deposit with accrued interest, or a written statement itemising damages. The forwarding address is the half of that clock you control, so give it in writing and keep proof of the date. Where a tenancy ends before its anniversary, or the landlord returns the deposit early, § 47a-21(i) requires the accrued interest to be paid within twenty-one days of that termination or return. An approved assistance animal is not a lawful reason to withhold any of it.

Is there a Greenwich or Connecticut registration my emotional support animal needs?

There is nothing to register and nothing to buy. Connecticut does issue a free licence and tag through the town clerk under § 22-345, but that section defines "service animal" as 28 C.F.R. § 35.104 defines it, and that regulation turns on a dog individually trained to do work or perform tasks, which excludes animals whose function is emotional support. So the one free Connecticut tag is not available to an ESA and is not needed by one. No state registry, certificate, vest or ID card carries any weight with a Greenwich landlord. What the accommodation duty in § 46a-64c(a)(6)(C)(ii) turns on is a clinician's judgement about you, which is precisely what a purchased credential skips.

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