The above are two good, and siilar in approach answers, but there are two issues it seems no one includes:
1) If you house was built before 1978 it must be inspected by a certified contractor or lead ... read more
I highly recommend getting the opinion of a local arborist. If you have trouble finding one check with your local tree nursery or Botanical Garden for a referral. We have used one before and it was ... read more