Stephanie L. Hansen

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Stephanie practices in the areas of environmental, land use, administrative, and municipal law. She represents private, non-profit, and municipal entities in environmental proceedings and enforcement actions under all Delaware state environmental laws and federal environmental laws, and has developed particular proficiency representing both buyers and sellers in transactions involving environmentally-compromised properties. Stephanie is a frequent lecturer on Brownfields redevelopment, environmental law, and land use law in Delaware. Until her election to public office in 2017, she served on the DNREC committee which reviews and drafts statutes, regulations, and policy to implement the Delaware Brownfields program, the Hazardous Substance Cleanup Act, and the programs governing underground and aboveground storage tanks, has published numerous articles on land use and environmental law, and is the Managing Editor of the Delaware Environmental Law Blog by YCST. She also represents local governments in federal proceedings under the Fair Housing Act and Civil Rights Acts.

While serving as President of New Castle County Council from 1996 to 2001, Stephanie helped draft the New Castle County land use code (the Unified Development Code). In 1990, she founded the Bear Glasgow Council of Civic Organizations and served as its President until elected to County Council in 1996. During her tenure as President of the Bear Glasgow Council, Stephanie received numerous awards for community service including two Delaware Senate Tributes, one Delaware House of Representatives Tribute, two Recognition Awards from New Castle County Council, and the 1996 Good Government Award from the Civic League for New Castle County.

Stephanie served as a legal intern in the Mid-Atlantic Environmental Law Clinic while attending Widener University School of Law.


  • Chambers USA: America's Leading Lawyers for Business®, Real Estate: Zoning/Land Use, 2009-Present

Memberships and Affiliations

  • Delaware State Bar Association, Member, Environmental Section, Chair
  • Sussex County Bar Association, Member 
  • American Bar Association, Member
  • Delaware Environmental Institute External Advisory Board, Member
  • Widener Environmental Law Center Advisory Board, Member
  • Former 9th Representative District Democratic Committee Chair 
  • Governor’s Surface Water Management Task Force, Chair, Governance Subcommittee
  • Bear Glasgow Council of Civic Organizations, Founder and former President
  • Wilmington Combined Sewer Overflow Task Force, Member
  • Planning, Infrastructure, Transportation Task Force of the Delaware Public Policy Institute, Member 
  • Route 301 Major Investment Study Task Force, Member
  • Route 40 Corridor Transportation Task Force, Member 
  • Statewide Maintenance Corporation Task Force, Member 
  • Stem Cell Go, Inc., Chair