Tenant tools

Security Deposit Demand Letter

Under Connecticut law, your landlord must return your security deposit, plus interest, within 21 days of receiving your written demand. Fill in the details below to generate your letter.

Your information

Your full name

Address of the place you rentedUnit (optional)

Move-out dateSecurity deposit amount paid

Address where you can receive mail

Landlord information

Landlord or property manager nameLandlord mailing address

Your letter

Preview

TO: [Landlord's name]
[Landlord's address]
November 8, 2026

I was a tenant at [address of the place you rented].

My move-out date was [date you moved].

The law says you must return my security deposit, [amount you paid] plus interest, within 21 days of receiving this letter. Please mail it to me at this address: [address where you can get mail].

Sincerely,


[Your printed name]
November 8, 2026

TO: [Landlord's name]
[Landlord's address]
November 8, 2026

I was a tenant at [address of the place you rented].

My move-out date was [date you moved].

The law says you must return my security deposit, [amount you paid] plus interest, within 21 days of receiving this letter. Please mail it to me at this address: [address where you can get mail].

Sincerely,


[Your printed name]
November 8, 2026

Send this letter by certified mail (return receipt requested) so you have proof of when your landlord received it. Keep a copy for your records. Letter language adapted from CTLawHelp.org. This is a template — it is not legal advice.