To address lease violations in Massachusetts, landlords should first review the lease agreement to understand specific terms and conditions. Thoroughly document the violation and communicate with the tenant professionally. Issue a written notice with the appropriate notice period according to Massachusetts landlord-tenant law. Consider mediation and dispute resolution if needed, and consult legal professionals when serious violations arise. Visit - articles.ezlandlordforms.com/state-landlord-tenant-law/massachusetts-landlord-tenant-law-and-regulations/