Hello, Monica and welcome back to Just Answer.Try this ISA Certified Arborist: http://www.arborwell.com/At this site, scroll down to 'Arborists': http://www.treepeople.org/arborists-and-tree-care-professionals-los-angelesMake sure to look for only ISA Certified Arborists and you will be guaranteed good service. Also, make sure to ask if they will testify (if necessary) in a legal matter, after their evaluation.I wish you much good luck in this matter and hope it is resolved to your satisfaction.
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