Fence Regulations in New Castle County, DE (2026)

New Castle County Code § 40.03.410(E)

E. Fences. Fences are permissible in all yards and all yard setbacks, subject to the following regulations. 1. Maximum height. Fences must be no more than six (6) feet in height, except as otherwise set forth herein. In zoning designations NC5, NC6.5, NC10, and NC15, the maximum permissible fence height in the street yard is four (4) feet. 2. Approved fencing material. Fences must be constructe...

New Castle County Code § 6.03.012(C)(1)(g)

C.Work exempt from permit. ... Permits shall not be required for the following:1.Building, residential and swimming pool and spa. ... g.Fences, other than swimming pool barriers.

New Castle County Code § 12.03.003(E)

E.Retaining walls. Retaining walls in excess of four (4) feet exposed height shall be located as far as necessary from the property line to accommodate the maintenance or replacement of structural components. Retaining walls more than four (4) feet exposed height shall be designed according to the International Building Code §1807.2, conform with the latest version of the Department's checklist...

New Castle County Code § 40.03.410.E.2-3

Approved fencing material. Fences must be constructed of approved materials, including: wood, brick, decorative masonry, stone, wrought iron, manufactured vinyl, aluminum, and PVC fence material. Prohibited fencing material. No fence shall be constructed of sheet or corrugated metal, plywood, concrete masonry unit block (with the exception of use for a retaining wall), or other materials not ma...