The Tenant Rights Guide shows different aspects of rental housing, who is responsible, and what course of action to take if there is problem with some element of the rental housing.
Chapter 19 of the New Castle County Code includes provisions relating to rental housing. The complete county code can be found under County Laws and Code, where you can look up the current version of our rental code.
The most up to date State of Delaware rental code can be found on the Delaware Attorney General's website. The Delaware State Housing Authority also has information regarding renter services.