According to our records, this business is located at 302 Cassidy Dr. in Wilmington (in New Castle County), Delaware 19804, the location GPS coordinates are: 39.7113299 (latitude), -75.600056 (longitude). Walnut Hill Construction Co Inc is categorized under Garbage: Collecting, Destroying, and Processing (SIC code 4953). Current estimates show that the unit has a sales volume of $1,736,000 and staff of approximately 8 people. You can contact the company by phone at (302) 633-4777.