Certified Arborist in Orange County, Ca. Uncategorized We have multiple certified arborist on staff. Our multidisciplinary approach to trees allows us to be the most comprehensive landscape consulting firm in Orange County. June 17, 2013/by admin https://monarchu.com/wp-content/uploads/2017/01/logo-300x138.png 0 0 admin https://monarchu.com/wp-content/uploads/2017/01/logo-300x138.png admin2013-06-17 21:42:522013-06-17 21:51:44Certified Arborist in Orange County, Ca.