Answer:
NO, court does not have subject matter jurisdiction over the landscaper's contract claim
Explanation:
given data
landscape work = $30,000
seeking in damages = $100,000
solution
landscaper assert and maintain claim against an home owner for breach of contract is no because court have diversity of an citizenship in the jurisdiction over an home owner for negligence claims .
we know that Federal Rule of Civil Procedure permit only counter claims and federal court have not any subject matter jurisdiction over an landscaper contract claims