According to our records, this business is located at 2550 W 56th Ave. in Denver (in Adams County), Colorado 80221, the location GPS coordinates are: 39.797858 (latitude), -105.017764 (longitude). Northwestern Tree Service is categorized under Arborists (SIC code 0783). Known organization owner is Phillip Zippery. Current estimates show that the unit has a sales volume of $84,000 and staff of approximately 1 worker. You can contact the company by phone at (303) 455-7083.