Donahue Arborists provides tree trimming services, landscape installations, plantings and free estimates to Honolulu, HI and the surrounding areas. Of his 25 years providing tree services, owner/operator Justin Donahue has been working with Hawaii tree species for almost 10 years. In collaboration with ISA Certified Arborists, ISA Certified Tree Workers, and Arborists qualified for Tree Risk Assessment, Donahue Arborists offers a full range of tree care services to fit your needs.