His Workmanship matches residential homeowners with service providers who offer retaining wall installation. You arrange for the delivery of materials like pavers, gravel and sand. The crew will bring some yard tools to assist you with building the retaining wall. Rates start at $120 per hour for 2 landscapers. New customers can read Ephesians 2:1-10 to receive a $20 discount. Details are on the final step of the contact form.