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State files updated Oct 27, 2026
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Home / Licensing / Washington / PC-02

PC-02 Residential License (Washington)

Washington has 586 active PC-02 Residential holders in the state file as of 2026-10-271, the 13th-largest of 28 classes with at least 200 holders. 28 of them expire by 2026-12-26.

Active holders
586
0.8% of active Washington licenses
Expiring by 2026-12-26
28
4.8% of holders
Median bond on file
$6,000
582 bonds

What does the Washington Residential license require?

Exam

Plumber certification exam via PSI: journey/residential: 100 technical questions + waste-and-vent sizing + water-pipe sizing.2

Bond

General contractor $30,000.3

Class rules: check with L&I Electrical / Plumber certification.

All Washington license requirements

How do you check a PC-02 license?

Search by license number or business name on the Washington license lookup, which reads the same state file.

Sources

  1. WA L&I via data.wa.gov (m8qx-ubtq, bzff-4fmt, ciwg-agsx) (data.wa.gov, 2026-10-27)
  2. L&I Electrical / Plumber certification: exam (lni.wa.gov)
  3. L&I Electrical / Plumber certification: bond (app.leg.wa.gov)
  4. L&I Electrical / Plumber certification (lni.wa.gov)