I prune trees & palms myself, including Cabbage Palms once a year, usually targeting mid-July after the flower stalks have emerged but before fruit formation.
But I have my limitations on how high I will go.
One of my monthly accounts has 7 Cabbage Palms - every one too tall for me to tackle. So I contract that out.
These 5 shown below - plus 2 more not pictured - were just done on Friday. It's $50 per tree and that includes hauling off the debris and cleanup. It's only once a year and I pass the cost along to the owner.
Before:
After: