According to our records, this business is located at P.O. BOX 5953 in Wilmington (in New Castle County), Delaware 19808, the location GPS coordinates are: 39.7390721 (latitude), -75.5397878 (longitude). Advance Janitorial Service is categorized under Contract Janitorial Services (SIC code 7349). Known organization owner is Bob Owens. Current estimates show that the unit has a sales volume of $150,000 and staff of approximately 11 people. You can contact the company by phone at (302) 762-4314.