Does Connecticut require a grace period for late fees?

Yes, Connecticut law requires a 9-day grace period (Conn. Gen. Stat. § 47a-15a (P.A. 23-67, eff. Oct. 1, 2023)). No late fee can be charged during this period.

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Connecticut Late Fee Calculator

Q: What is the maximum late fee in Connecticut?

The statutory maximum late fee in Connecticut is $5.00 on a rent of $1,500.00 — the lesser of 5% of the amount past due or $5.00/day up to $50.00 total ($5.00 accrued at 1 chargeable day) (Conn. Gen. Stat. § 47a-15a (P.A. 23-67, eff. Oct. 1, 2023)). 9-day grace period (4 days for week-to-week leases). Cap: the LESSER of 5% of the overdue rent or $5/day up to $50 total. Only one late fee per delinquency. Subsidized tenancies: 5% of the tenant's share.

Calculate the maximum late fee you can legally charge in Connecticut. Check grace periods, fee caps, and compliance with Connecticut state law.

State

Monthly Rent

Days Late

Your Proposed Fee

Your Late Fee

$5.00

Over Limit

Your proposed fee of $75.00 exceeds Connecticut's statutory maximum of $5.00 (the lesser of 5% of the amount past due or $5.00/day up to $50.00 total ($5.00 accrued at 1 chargeable day)). The notice will use $5.00.

Rent + Fee

$1,505.00

Grace Period

9 days (required)

Statutory Maximum in Connecticut

$5.00

Connecticut Late Fee Law

Grace period: 9 days (required by law)

Fee cap: $5.00 — the lesser of 5% of the amount past due or $5.00/day up to $50.00 total ($5.00 accrued at 1 chargeable day)

Daily fees: Allowed

Statute: Conn. Gen. Stat. § 47a-15a (P.A. 23-67, eff. Oct. 1, 2023)

9-day grace period (4 days for week-to-week leases). Cap: the LESSER of 5% of the overdue rent or $5/day up to $50 total. Only one late fee per delinquency. Subsidized tenancies: 5% of the tenant's share.

Laws change quietly. Colorado rewrote its late-fee rules in 2021, Connecticut in 2023. Get an email when Connecticut changes its rules — and what to update in your lease.

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Your proposed fee exceeds what Connecticut allows — the notice below uses the compliant amount of $5.00.

Next Step

Generate the late fee notice

Turn this calculation into a printable, Connecticut-compliant notice you can send to your tenant today — with the statute reference included.

Your Name (Landlord)

Tenant Name

Property Address

Rent Due Date

Fill in the four fields above to generate your notice.

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Connecticut Late Fee Rules for Landlords

Connecticut requires a 9-day grace period before any late fee can be charged (Conn. Gen. Stat. § 47a-15a (P.A. 23-67, eff. Oct. 1, 2023)). The late fee is capped by statute at the lesser of 5% of the amount past due or $5.00/day up to $50.00 total ($5.00 accrued at 1 chargeable day) (Conn. Gen. Stat. § 47a-15a (P.A. 23-67, eff. Oct. 1, 2023)).

Use the calculator above to check if your proposed late fee complies with Connecticut law. Need more tools? Check the Connecticut security deposit calculator, or try our prorated rent calculator and rent estimate tool.

For a complete guide to Connecticut landlord-tenant law, read our Connecticut Landlord-Tenant Law 2026 guide.