Rental Property Rules in New Castle County, DE (2026)
2 county-level rules, plus city-specific rules for 1 city in New Castle County, Delaware.
Verified from official government sources
Rental Registration
New Castle County landlords must register every rental unit with the Department of Land Use before renting it out and renew the registration every two years under Chapter 19 of the County Code.
New Castle County Rental Registration Requirement
Some RestrictionsNew Castle County Code § 19.03.001
There is hereby created a Residential Rental Property Registration System for New Castle County that requires landlords of residential rental units located within unincorporated areas of the County and those incorporated areas with which New Castle County has agreements and have agreed to participate based upon contract to register each of their rental units biennially, or more frequently upon ...
Repairs & Habitability
New Castle County landlords must respond to emergency habitability conditions, no heat, water, or electricity, within four hours and fix them within twenty-four, or face escalating civil penalties up to $500 per day per unit.
New Castle County Rental Habitability Response Rule
Significant RestrictionsNew Castle County Code § 19.04.002(C)(3)(d)
First violation: Any landlord who fails to take responsive action by responding to the Code Official within four (4) hours or taking corrective measures within twenty-four (24) hours of receiving notice of an emergency condition shall be subject to a civil penalty of five hundred dollars ($500.00) per affected rental unit.
Rental Property Rules by City in New Castle County
1 cities in New Castle County have their own rental property rules rules. Each link goes to that city's dedicated page with code citations.
All New Castle County ordinances
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