Does this regulation affect me if I already have a house built and my site is developed, but I want to take out a tree or some bushes? Homeowners with existing homes may remove trees (less than 24” diameter at breast height) or vegetation without permits and without submission of a vegetation management plan provided there is a minimum of 15% vegetation remaining on the lot. If the minimum of 15% is not met, then removal of any trees or shrubs will trigger the requirement for a vegetation management plan and planting to the 15% threshold.