Document, document, document. Get a month’s worth. Then…
Try to get the HOA to do something about it. I know if they are so inclined, they can make life hard enough on the landlord that it’s easier to evict and find new tenants than deal with fines. If they are not so inclined, then:
Try the police. If the noise is audible outside after 10pm, there’s a chance the police can do something. I know in college, they were pretty effective at this.
