Track B · PRW
Pressure Washing Certification Requirements by State
Requirements for pressure washingwork vary by state — some states license the trade, many don’t regulate it at all. This page explains how those requirements work and where a professional credential fits. The NISCR Pressure Washing Certification is a professional credential that proves verified training in any state; where a license is required, it complements — it does not replace — that license.
Looking for the certification itself? See the NISCR Pressure Washing Certification course — online, self-paced, $199.
- Self-paced
- Instant certificate
- 2-year validity

Earning potential
How much can you earn?
Per-job ticket
$150–600 / job
Recurring commercial accounts
scheduled route & facility work
Owner potential
mid five-to-six figures