Rent increase rules in Delaware
Verified against 25 Del. C. § 5107 and agency sources on 2026-07-04. Not legal advice.
Delaware has no statewide cap on rent increases.
- Notice: 60 days' notice before renewal with a rent increase; tenant then has 45 days to accept or terminate (25 Del. C. § 5107); mobile-home lots 90-120 days
- Statute: 25 Del. C. § 5107 · source
Rent increase calculator
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Frequently asked questions
How much can a landlord raise rent in Delaware?
There is no statewide limit — any amount, with proper notice.
How much notice is required for a rent increase in Delaware?
60 days' notice before renewal with a rent increase; tenant then has 45 days to accept or terminate (25 Del. C. § 5107); mobile-home lots 90-120 days. (25 Del. C. § 5107)
Can rent be raised during a lease in Delaware?
No — as everywhere in the US, a fixed-term lease locks the rent unless the lease itself contains an escalation clause. Increases take effect at renewal or on periodic (month-to-month) tenancies with the notice above.
Rent increase rules in other states
All states · Alabama · Alaska · Arizona · Arkansas · California · Colorado · Connecticut · District of Columbia · Florida · Georgia
Related: deposit interest rules in Delaware · vacancy cost calculator