If you own a house with cedar siding, I’ll bet you’ve got at least 3 holes from woodpeckers looking for grubs. Before you go out to your local hardware store and buy the latest ultrasonic doodad or spray guaranteed to kill on contact, let me tell you this. They will not work. To a woodpecker, your house is a massive dead tree full of delicious grubs and a perfect place to call home themselves. There is only one thing you can do, put a fresh coat of stain on your cedar, and that will at least deter them for a few years. Why? Because they will think your siding is plastic, and that massive tree they saw before will become nothing more than a place for humans to live and they’ll move on.