Public Works Submission Guidelines

Download the Department of Public Works Submission Guidelines and Checklist

This document contains very basic and important information regarding utility connections and roads related construction projects in the jurisdiction of City of Wilmington or in the City of Wilmington Water District. 

All of the utility construction in the roadway area to the curb line shall be provided either by the Department of Public Works or a licensed contractor approved by the Department of Public Works. The Department of Public Works reserves responsibility for inspections during construction, quality control of the construction, and maintenance of utilities after the construction.

Approved Outside Contractors

If a developer chooses to use a contractor not on the approved list, references must be submitted by the developer/owner to the Department for approval. The Department of Public Works reserves the right to reject contractors.

Approved Sewer Contractors

  • Brandywine Construction Company, Inc.
  • Joseph T. Hardy & Son
  • Choptank Excavation
  • Christina Excavation
  • Corrado American
  • George & Lynch, Inc.
  • Eastern States Construction
  • Guardian Construction
  • Nichols Excavating
  • Pearce & Morretto
  • Triad Construction
  • Daisy Construction
  • Mattei Construction

Contact Public Works

Mailing Address

Department of Public Works
Louis L. Redding City/County Building
800 N. French Street, 6th Floor
Wilmington DE 19801

Phone: (302) 576-3060

Public Works Call Center

Phone: (302) 576-3878

Operators are on duty 6:00 a.m. - 4:30 p.m. Monday through Friday.


Report non-emergency requests for service online 24 hours a day, 7 days a week

Water Emergencies

Phone: (302) 571-4150

Report water-related emergencies after hours (4:30 p.m. - 6:00 a.m. Monday through Friday; 24 hours a day Saturday and Sunday).