Yeah— I battled coons too. The buggers loved to roll back the turf every night and look for grubs. Without getting into specifics, let’s just say I no longer have a raccoon problem. But, what a hassle!
Without getting into specifics, I was too soft hearted with 4 orphan baby racoons.
At my house I just shoot the little buggers with my pellet gun [city limits prevents higher cals.]. They've gotten the idea they're not welcome. At her house I've thought about just putting a hose down the hole and flooding them out.