Identify carpenter bee activity around eaves, decks, railings, fascia boards, and untreated wood
Seal old entry holes after confirming bees are inactive
Paint, stain, or varnish exposed wood surfaces
Replace damaged or weathered wood with treated lumber
Apply carpenter bee insecticidal dust or spray directly into active holes at dusk or night
Repeat treatment if new activity continues
Plug treated holes with wood putty, dowels, or caulk after the bees are gone
Install carpenter bee traps near active areas
Hang decoy nests or deterrents near vulnerable wood surfaces
Remove or reduce nearby wood debris and untreated lumber
Keep outdoor wood surfaces maintained and protected
Contact a licensed pest control professional for severe or recurring infestations