Historic Preservation in Wilmington, DE (2026)

1 verified historic preservation rules for Wilmington, Delaware, sourced directly from the municipal code and official government pages.

Verified from official government sources

Historic-Cultural Monuments

Wilmington designates historic and cultural markers through a city council subcommittee and a nine-member taskforce, with private-property markers requiring the owner's written consent.

Wilmington Historic Markers Program

Light Restrictions

Wilmington City Code § 14-1

There is hereby established a program to be known as the historic markers program... The program will include points or sites of historic or cultural interest anywhere within the city limits, which may be selected and designated for historic markers by resolution of city council... If located on private property, the designation of a site and installation of a historic marker shall be done only...

Full ordinance details →Official source ↗

Looking for New Castle County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Wilmington city rules.

Historic Preservation in New Castle County →