1st Painting Contractors is a service that caters to homeowners, tenants, and other residential clients in Tustin. It can examine a household's existing paint options to detect oil-based chemicals and contaminants. The service can then replace these paints with uniform colors or customized murals. Its painters modify their application methods to fit their customer's requests, using brushes or sprays. In addition, they patch up drywall holes and sand walls to smoothen surfaces before applying paint.