Pressure washing services are broken down into two different categories: residential pressure washing services and commercial pressure washing services. In this article, I will cover residential pressure washing services. I will explain what it is, what services are included in residential work, how to prep before the cleaners come, and what vetting questions you should ask the pressure washing company. By the end of this, you should be able to identify what you need to be cleaned and how to pick the best pressure washing company in your area. Do not let an amateur cause significant damage to one of your biggest investment. Let a professional add value to your property. First, what does residential pressure washing really mean?