Public Health Rules in New Castle County, DE (2026)
1 county-level rule, plus city-specific rules for 1 city in New Castle County, Delaware.
Verified from official government sources
Note: These county rules apply to unincorporated areas of New Castle County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Rodent Control
New Castle County property maintenance rules make owners responsible for pest and rodent elimination and require rodent shields on openable basement windows, with code officials able to issue civil penalties up to $100 per day for violations.
New Castle County Rodent & Pest Rules
Some RestrictionsNew Castle County Code § 7.01.002 (Property Maintenance Code §§ 309.3, 304.17)
309.3 Single Owner. The owner of a one-family dwelling or of a single-tenant nonresidential structure shall be responsible for pest elimination on the premises. ... 304.17 Guards for basement windows. Every basement window that is openable shall be supplied with rodent shields, storm windows or other approved protection against the entry of rodents or other pests.
Public Health Rules by City in New Castle County
1 cities in New Castle County have their own public health rules rules. Each link goes to that city's dedicated page with code citations.
All New Castle County ordinances
See every category we cover for New Castle County: parking, noise, fences, fires, animals, pools, and more.
New Castle County Ordinance Hub →