Check for leaking, mis-aligned or damaged gutters, downspouts, hangar straps, gutter guards and strainers. Cut back all tree limbs growing on or over the roof. Check all antenna supports or any other items that need to be supported. The support area should also be checked to make sure it will not leak. Check all the flashing around the roof stacks, vents, skylights, and chimneys for any possible sources of leakage.
Check vents, louvers, and chimneys for bird nests, squirrels, insects, etc.
Cut back and trim shrubbery against any side walls. Do not stack firewood next to or against the house. Check caulking for decay around doors, windows, corner boards, joints and re-caulk as needed. Check all glazing putty around windows. Check all weather stripping.