Connecticut Rental Calculators & Landlord-Tenant Tools
Free Connecticut rental calculators and landlord-tenant tools — everything you need to verify deposits, check fees, and protect your rights under Connecticut law.
Connecticut Security Deposit Interest Calculator
Calculate the interest your landlord legally owes you on your security deposit under Connecticut law.
0.49% interest requiredConnecticut Late Fee Calculator
Verify if your landlord's late fees violate Connecticut grace periods or statutory caps.
9-day grace period & capConnecticut Break Lease Fee Calculator
Estimate your financial exposure and check the landlord's duty to mitigate under Connecticut law.
Landlord must mitigate damagesConnecticut Security Deposit Limits
Check if your deposit exceeds Connecticut legal caps and track your return deadlines.
Max 2 months rent & 21-day returnConnecticut Rent Increase Calculator
Check if your rent increase is legal and review local rent stabilization guidelines in Connecticut.
No statewide capConnecticut Rent Calculator
Calculate prorated rent for a mid-month move-in or move-out in Connecticut.
Free prorated rent toolGeneral Connecticut Tenant Guide
Tenant laws in Connecticut protect you from landlord overcharges, illegal deductions, and unmitigated lease break penalties. If you find a violation using our tools above, you can use our Demand Letters to write a formal legal notification to your landlord.
Neighboring State Rental Tools
Explore landlord-tenant tools for states near Connecticut.