Homeownership is a goal for most Americans, but it is a big responsibility. There are many financial, legal, and maintenance issues that you must keep up with.
CC&Rs Without an HOA: Public Records, Enforcement

In most communities CC&Rs are enforceable without an HOA. This is not always the case, thought. It depends on your state’s laws.
Without an HOA individuals need to step up confront the neighbor on their own or as a group.
A lawsuit should be the last resort for dealing with the problem.